WO2001018811A1 - Data recording/reproducing apparatus and method - Google Patents
Data recording/reproducing apparatus and method Download PDFInfo
- Publication number
- WO2001018811A1 WO2001018811A1 PCT/JP2000/006167 JP0006167W WO0118811A1 WO 2001018811 A1 WO2001018811 A1 WO 2001018811A1 JP 0006167 W JP0006167 W JP 0006167W WO 0118811 A1 WO0118811 A1 WO 0118811A1
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- WIPO (PCT)
- Prior art keywords
- data
- recording
- information
- file
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/036—Insert-editing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/34—Indicating arrangements
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/40—Combinations of multiple record carriers
- G11B2220/41—Flat as opposed to hierarchical combination, e.g. library of tapes or discs, CD changer, or groups of record carriers that together store one title
- G11B2220/415—Redundant array of inexpensive disks [RAID] systems
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
Definitions
- the present invention relates to a data recording / reproducing apparatus and method for performing editing processing by setting editing points for a plurality of data recorded on a non-linearly reproducible recording medium.
- This video server connects a large number of large-capacity hard disk devices capable of non-linear playback, and has a total recording capacity of tens to hundreds of gigabytes. Having quantity.
- This video server is suitable for recording audio data and video data, or any of these, etc., which have a very large amount of data. In particular, any audio data and video data can be recorded with a short access time. It is excellent as a recording / playback device for an editing device.
- Such a video server holds information for managing where a file recorded on each hard disk device is recorded on a hard disk, and manages video and audio data recorded on each hard disk. Also, when the video server edits the video and audio data, it creates file editing information called VFL (virtual file list) including file name information, continuous data length information, and the like. This video server performs editing processing by creating a VFL by specifying the above-mentioned file name information, continuous data length information, and the like. At this time, the video server only plays the VFL and does not re-record the video / audio data on the hard disk during the editing process. Read from hard disk.
- VFL virtual file list
- a video server that creates and edits a VFL has a different user experience from the linear editing of a VTR equipped with a conventional tape-shaped recording medium.
- the result of editing using a non-linear accessible recording medium becomes uncomfortable.
- the present invention has been proposed in view of the above-described circumstances, and even when an editing process is performed using data recorded on a non-linearly reproducible recording medium, the VTR operation is not changed. It is an object of the present invention to provide an apparatus and method for recording and reproducing data overnight.
- the present invention provides a recording medium capable of non-linear access, a recording / reproducing means for recording / reproducing a material including video and / or audio data on / from the recording medium, and a recording / reproducing means for processing the material inputted from the outside, And a plurality of input / output processing means for processing the reproduced material output from the recording / reproducing means and outputting the processed data to the outside, wherein each of the input / output processing means is provided within the assigned time slot period.
- a data recording / reproducing apparatus configured to output the material to a recording / reproducing means and to input the material from the recording / reproducing means, a first position located before an editing section of the material;
- An information file creating means for creating an information file relating to the second position located after the editing period, and an information file created by the information file creating means. Based on information file, and a controlling means for controlling said reproducing means to reproduce the material an edited the material to the second position from the first position.
- the present invention also provides a method for accessing and recording a material including video and / or audio data on a non-linearly accessible recording medium within an allotted time slot period, and time-slotting the material recorded on the recording medium.
- the first step of recording the material and the position before the editing section of the material are performed.
- FIG. 1 is a block diagram showing a configuration of an A / V server to which the present invention is applied.
- FIG. 2 is a front view of a control panel provided in an A / V server to which the present invention has been applied.
- FIG. 3 is a block diagram showing a configuration of a control panel provided in an A / V server to which the present invention has been applied.
- FIG. 4 is a diagram for explaining that the A / V server to which the present invention is applied generates the edited data using the first to third material data.
- FIG. 5 is a diagram showing a VFL file created when the editing data shown in FIG. 4 is generated.
- FIGS. 6A, 6B, and 6C are diagrams for explaining the contents of file management information held by the file management unit of the A / V server to which the present invention is applied.
- FIG. 7 is a diagram for explaining how an arbitrary file A is recorded in an address area on an HDD provided in an A / V server applied to the present invention. is there.
- FIG. 8 is a diagram illustrating a specific example of information described in a file entry (FE) and a record entry (RE) in the file management information.
- FIG. 9 is a diagram illustrating a specific example of information described in a free space list (FS L) in file management information.
- FIG. 10 is a diagram illustrating the configuration of a virtual file (VFL) used in an A / V server to which the present invention has been applied.
- VFL virtual file
- FIGS. 11A and 11B are diagrams for explaining a specific example of VFL.
- FIG. 12 is a flowchart when the preview processing or the automatic editing processing is performed by the A / V server to which the present invention is applied.
- FIG. 13 is a diagram for describing a data search screen displayed on the control panel of the A / V server to which the present invention has been applied when selecting material data overnight.
- FIG. 14 is a diagram for describing an editing processing screen displayed on the control panel of the A / V server to which the present invention is applied when setting an in point and an art point.
- FIG. 15 is a diagram for explaining that an A / V server to which the present invention is applied reproduces from a pre-roll point to a post-roll point by performing reproduction by VTR emulation processing.
- the present invention is applied to, for example, an A / V (Audio / Video) server 1 configured as shown in FIG.
- the A / V server 1 records and / or reproduces audio and / or video data (hereinafter, referred to as A / V data) on a recording medium (hereinafter, referred to as recording / reproducing).
- the A / V server 1 enables a user to operate a control panel to perform A / V data recording / reproduction processing as well as editing processing.
- a / V server 1 has recording port 10, playback ports 20, 30, 40, editing manager (Editing Manager) 50, video effector (Video Effecter) 60, control panel 70, and evening manager (Timing Manager) 80 , File Manager 90, HDD (Hard Disk Drive) with multiple storage media
- the A / V server 1 controls the recording port 10, the playback ports 20, 30 and 40, the data path 120 for data transfer between the HDD array 110, and the various units. And a control bus 121 for transferring a control signal for performing the control.
- the A / V server 1 thus has one input processing unit and three output processing units, and performs four input / output processes.
- Recording port 10 functions as an input processing unit that performs processing for recording such a signal input from the input terminal 18 to the HDD ⁇ les I 1 10 c
- the recording port 10 includes a data input / output unit 11 and a data management unit 12.
- the data input / output unit 11 includes a selector 13 and an encoder 14.
- the data management unit 12 includes a serial-to-parallel conversion processing unit (hereinafter, referred to as S / P) 15, a buffer 16, a CPU 17 It has.
- the selector 13 selects data to be encoded. Specifically, for example, the selector 13 stores data conforming to the SDI (Serial Digital Interface) standardized by SMPTE (Society of Motion Picture and Television Engineers)-259 M or SMPTE-305 M Data including video and audio data input from the input terminal 18 for data and other data conforming to the SDTI (Serial Digital Transfer Interface) standardized by, and output from the editing unit 51 of the editing manager 50 One of these signals is selected and output to the encoder 14 at the subsequent stage.
- SDI Serial Digital Interface
- SMPTE Society of Motion Picture and Television Engineers
- SMPTE-305 M Data including video and audio data input from the input terminal 18 for data and other data conforming to the SDTI (Serial Digital Transfer Interface) standardized by
- the encoder 14 encodes the signal output from the selector 13 into a predetermined format. Specifically, the encoder 14 performs compression coding on the input signal by a Moving Picture Experts Group (MPEG) method. However, in the encoder 14, not compression coding processing only, subsequent HDD 1001, 100 2,
- the encoder 14 may perform a process of extracting a video signal or an audio signal from data that conforms to the SDTI described above, and may perform a combination of the processes described above. It is also possible to do so. In the following description, it is assumed that the encoder 14 compresses and encodes the input signal and outputs it.
- the compressed data generated by the compression encoding of the encoder 14 is input to the S / P 15 in the data management unit 12.
- the sofa 16 is used to temporarily store each data output from the S / P 15 and, for example, time-division multiplex each data to the data path 120 and send it out.
- the buffer 16 is configured to individually hold each data output from the S / P 15.
- the buffer 16 inputs each data from the S / P 15 as needed, and when the time slot from the evening pulse generator 81 is assigned to the CPU 17, it buffers under the control of the CPU 17.
- the data is output to the data bus 120 for a predetermined period allowed by the time slot.
- the data overnight path 120 is called an SBX (Spydar Bus extension) bus, and although not shown, an upstream bus that transmits data only in the data recording direction and a data bus that transmits data only. It is divided into a down bus that transmits data only in the playback direction, and these up path and down bus are each data converted from serial data to parallel data at S / P 15 respectively. Multiple buses that individually transmit It is configured.
- SBX Synchronization Bus extension
- the transmission format of the SBX bus is such that a command and AV data are added to the synchronization code from port 10 to the HDD array 110, and the data is transmitted from the DD array 110 to the playback ports 20, 30, and 40. Is transmitted by adding the status for the command and the AV data to the synchronization code. However, not all AV data is added, but only commands or statuses. Therefore, each data output from the buffer 16 is transmitted to the HDD array 110 via a bus corresponding to each data constituting the data bus 120. Further, a bus output processing unit (not shown) is provided at the subsequent stage of the buffer 16, and for each data output from the buffer 16, for example, an HDD 100! In accordance with the transmission format of the data bus 120. , 100 2 ,..., 100 ⁇ -3, 100 ⁇ -2, 100 n- i, 100 n, etc.
- the CPU 17 controls each unit of the recording port 10 based on a control signal such as an external command transmitted from the control panel 70 via the control path 121, for example. Further, the CPU 17 transfers the given control signal to the CPU 53 included in the editing manager 50 as necessary. Further, the CPU 17 controls the output of the data held in the buffer 16 based on the time slot assigned by the timing pulse generator 81.
- Such a recording port 10 can input video data and audio data of 4 channels or 8 channels.
- the reproduction port 20 also functions as an output processing unit that performs processing for outputting data recorded on the HDD array 110 to the outside.
- the data management unit 21 and the data input / output unit 22 are also functions as an output processing unit that performs processing for outputting data recorded on the HDD array 110 to the outside.
- the data management unit 21 includes a buffer 23, a parallel / serial conversion processing unit (hereinafter, referred to as P / S) 24, and a CPU 25.
- the data input / output unit 22 includes a decoder 26, a selector 27 And ⁇
- the buffer 23 temporarily stores each data sent in parallel from the HDD array 110 via the data bus 120. Although not shown, the buffer 23 is configured to individually hold each data output in parallel from the HDD array 110.
- the buffer 23 reads out and inputs data from the HDD array 110 under the control of the CPU 25. That is, when reading from the HDD array 110 in a time slot, a command for instructing reproduction under the control of the CPU 17 is output from the buffer 16 to the HDD array 110 via the data bus 120 during a certain time slot period. Next, data is reproduced in the HDD array 110 during the next evening slot, and the reproduced data is output from the data path 120 to the buffers 23, 33, and 34 according to the SBX format described above. By transmitting data overnight based on the time slot allocated as described above, it can be regarded that data recording and reproduction are performed simultaneously.
- the data input to the buffer 23 is buffered by the buffer 23, and then supplied to the subsequent P / S 24.
- the P / S 24 converts the parallel data output from the notebook 23 into a serial data.
- the data obtained by the parallel / serial conversion by the P / S 24 is output to the data input / output unit 22.
- the signal is supplied to the decoder 26.
- the CPU 25 controls each section of the reproduction port 20 based on a control signal such as an external command transmitted via the control bus 121. Further, the CPU 25 transfers the applied control signal to the CPU 53 included in the editing manager 50 as necessary.
- the decoder 26 in the data input / output unit 22 decodes the serial data input from the P / S 24 by a predetermined decoding process.
- the decoder 26 expands the data reproduced from each HDD 100 when the data is compressed and encoded, converts the data into the above-mentioned SDI data, and outputs the converted data.
- Various data including video and audio data obtained by decoding by the decoder 26 are input to an editing unit 51 provided in the selector 27 and the editing manager 50.
- the selector 27 selects a signal to be output to the outside via the output terminal 28. Specifically, the selector 27 selects either one of the data output from the decoder 26 and the data output from the editing unit 51 provided in the editing manager 50, Supply it to the output terminal 28 as SD I data or SDT I data ⁇
- Such a reproduction port 20 can output video data and audio data of four or eight channels.
- the reproduction ports 30 and 40 are both configured similarly to the reproduction port 20.
- the reproduction port 30 includes the data management unit 31 and the data input / output unit 32.
- the data management unit 31 includes a buffer 33 for temporarily storing data from the HDD array 110 and a buffer 33 for storing the data temporarily.
- a P / S 34 that converts parallel data from the PC into serial data and a CPU 35 that controls each part of the reproduction port 30 are provided.
- the data input / output unit 32 includes a decoder 36 for decoding the serial data input from the P / S 34, a data output from the decoder 36, and a data output from the editing unit 51. And a selector 37 for selecting one of the signals and supplying the selected signal to the output terminal 38.
- the reproduction port 40 includes a data management unit 41 and a data input / output unit 42.
- the data management unit 41 controls a buffer 43 for temporarily storing data from the HDD array 110, a P / S 44 for converting parallel data from the buffer 43 into serial data, and a reproduction port 40.
- CPU45 The data input / output unit 42 includes a decoder 46 for decoding the serial data input from the P / S 44, a data output from the decoder 46, and a data output from the editing unit 51. And a selector 47 for selecting one of the two signals and supplying the selected signal to the output terminal 48.
- the editing manager 50 includes an editing unit 51, an interface (I / F) 52, and a CPU 53, and is input from the recording port 10 and the reproduction ports 20, 30, and 40 described above.
- the edited data is output to the video effector 60 via the editing unit 51 for editing. Further, the editing manager 50 outputs the data from the video effector 60 to the selector 13 of the recording port 10 and the selectors 27, 37, and 47 of the reproduction ports 20, 30, and 40.
- the editing unit 51 outputs the data input to the recording port 10 and the data passed through the decoders 26, 36, and 46 of the reproduction ports 20, 30, and 40.
- the desired data is selected by appropriately switching with a switch (not shown) provided therein, and is output to the video effect 60.
- the editing unit 51 outputs the data input from the video effect unit 60 to a desired port or the CPU 53 by appropriately switching the data from the video effect unit 60 using a switcher.
- the editing unit 51 supplies these data to the output terminal 54. For example, when only material A is input to material B and output, and no effect is applied at the edit point, only switching is performed and output to playback ports 20, 30, 40 and recording port 10 Sometimes only.
- the I / F 52 is connected to the control panel 70.
- Control signals for controlling the control panel 70 such as A / V data, are input from the CPU 53 and output to the control panel 70. Input to CPU 53.
- the I / F 52 outputs data and various commands by connecting, for example, an external VTR (Video Tape Recorder), and inputs various external commands.
- VTR Video Tape Recorder
- the CPU 53 controls the CPU 17 of the recording port 10 and the CPUs 25, 35, and 45 of the playback ports 20, 30, and 40 by executing the editing processing execution program stored therein.
- the CPU 53 controls a plurality of ports simultaneously by controlling the CPU of each port, and the A Output a control signal to read out / V data to HDD array 110 and input A / V data.
- the CPU 53 reads out the material data to be edited in accordance with a virtual file (Virtual File; hereinafter, referred to as VFL) and outputs it to the control panel 70 via the I / F 52. .
- VFL Virtual File
- the CPU 53 performs a preview process based on the VFL generated as a result of the editing process in response to an operation input signal from the control panel 70 to perform the preview process.
- the CPU 53 reads the VFL stored in the file management unit 91, sequentially reads the A / V data indicated by the VFL from each HDD 100 via each of the ports 20 to 40, and reads the I / F 52 Output to the control panel 70 via.
- the CPU 53 performs VTR emulation processing when reproducing the edited A / V data. That is, when an operation input signal for performing the VTR emulation processing and displaying the result on the display unit 301 of the control panel 70 is input, the CPU 53 performs processing for each of the materials to be edited based on the VFL. Data are sequentially read from a pre-roll point located on the time axis before the in-point set for the de-intersection to a post-roll point located on the time axis after the in-point. Output to control panel 70 via I / F 52. The time for the in-point of the pre-roll point can be arbitrarily set, and the time for the bot-roll point to the art point can also be arbitrarily set.
- the CPU 53 performs VTR emulation processing. After reading the data from the pre-roll point to the boss roll point sequentially according to the edit point set for each material data, the in-point or the Output the data to the control panel 70 so that the still image located at the point G is displayed, or the flash memory of the control panel 70
- a process of outputting a control signal to the control panel 70 to perform a cue up process for displaying a still image located at an in point or an art point stored in 304 is performed.
- the video fetcher 60 is, specifically, a picture-in-picture (PinP) that generates new time-series data by inserting another different material data into certain material data and connecting each material data.
- a special effect process is performed to generate edit data for the material data input from the editing manager 50.
- the control panel 70 includes, for example, a display for selecting data to be edited and various switches operated by the user when selecting a port for inputting and outputting data, and a display for displaying images and the like used for the editing. Department.
- the control panel 70 generates an operation input signal corresponding to the operation when operated by a user.
- control panel 70 is provided with a recording port 10, a reproduction port 20, 30, or the like by operating a switch or the like by a user.
- a control signal is output to the selected port or VTR.
- This control signal is sent to the control bus 122 via the evening manager 80, The data is transmitted by the control bus 122 and input to the CPU of each port.
- Each port or VTR to which the control signal is sent performs an operation according to the content of this control signal.
- the control panel 70 includes a plurality of buttons and the like operated by the user, and includes a port select section 201, a traveling control section 202, a search operation section 203, and a time code. Section 204, function operation and display section 205, and editing operation section 206.
- the port selection section 201 is a section provided with a group of buttons for the user to select the recording port 10 and the reproduction ports 20, 30, 40.
- the running control unit 202 is a portion provided with a group of buttons for the user to control the recording / reproducing processing, and a pre-roll button (PRER0LL) 2 21 for performing VTR emulation processing and reproducing.
- Recording button (REC) 22 to start recording Edit button (EDIT) 22 3 to perform editing process
- Stop button (STOP) 224 to stop recording and playback time axis Fast forward button (F FWD) 2 2 5 to perform fast forward in the forward direction
- Play button (PLA Y) 2 2 6 to start playback, to perform rewind in the reverse direction of the time axis Equipped with a rewind button (REW) 227.
- the search operation section 203 is an operation section for the user to control the material data search processing.
- the search dial 231, search for the edit point (in point, out point) in the edit processing is performed.
- Variable button (VAR) 2 3 for controlling the playback speed according to the position of the dial 23 1 and the jog mode for controlling the playback speed according to the rotation speed of the search dial 2 3 1 Jog button for playback (JOG) 233, search dial 231 Shuttle button for performing shuttle mode playback that controls playback speed in a wider range than jog mode playback according to the rotation speed of 1 (SHUTTLE) equipped with 2 34 ⁇
- the time code section 204 includes a time code display switching button (TC TYPE) 24 1 for switching a time code display as a button for a user to control the time code, and a selected port 10, 20, 30. , Time code / user bit button (TC / UB) for displaying the user bit inserted in the time code of 40, and a reset button for resetting the time code according to the type of time code (RESET) 243, Hold button (HOLD) 244 to control the display of the time code dialog box, each port 10
- TC TYPE time code display switching button
- TC TYPE Time code / user bit button
- RESET type of time code
- HOLD Hold button
- Playback signal monitor button (PB) 24 5 for selecting a playback signal as A / V data output from 20, 30, 40, and ports 10, 20,
- PB.EE input signal monitor button
- the function operation and display section 205 includes function buttons (L1 to L11) 2 51 for executing each function corresponding to the function displayed on the display, the display section 252, Function buttons (B1 to B7) 2 5 3, Function buttons 2 5 1 and 2 53 Shift button (SHIFT) 2 54s for switching function assignment Mode buttons (M0DE) for specifying the operation mode ) 2,5, MULTI CONTROL knob 256 for moving the cursor displayed on the display unit 252.
- the edit operation unit 206 includes a delete button (DELETE) 261, which is used to delete an already set edit point and cancel the DMC mode, and an edit key for setting an in point and an art point.
- DELETE delete button
- In / out point designation button (IN / OUT) 2 62 Edit in / out point designation button 2 62 together with edit point setting button (ENTRY) for setting in point and in point ) 2 63, AUDIO IN / OUT buttons for setting in and out points for audio and audio points (AUDIO IN / OUT) 2 64, In and out points already set Fine-tuning button (TRIM) 2 65 to correct the data, a memory lamp (MEMORY) 26 66 that lights when storing the playback processing settings at the desired playback speed, and the A / V data after editing Review button for displaying playback (REVIEW) 2 67, Auto edit button for automatic editing (AUTO EDIT) 2 68, Editing Preview button (PREVIE W) for preview playback of recorded A / V data
- the control panel 70 has a display unit 301, a display memory 302, a CPU 303, a flash memory 304, an operation input unit 300, and a capture controller 303 passing. 307 are connected to each other, and each unit can input and output data via the bus 307.
- the display unit 301 corresponds to the above-described display unit 252, and includes, for example, an LCD (liquid crystal display), reads A / V data stored in the display memory 302, and reads A / V data such as a moving image or a still image. Display the video that evening shows.
- the operation input unit 305 includes the above-described various buttons operated by the user, the search dial 231, and the like. When a button or the like is pressed by the user, an operation input signal corresponding to each button is generated, and the CPU 303 and the key are transmitted. Output to the Petit controller 306.
- the capture controller 306 receives A / V data from the information management unit 3 via the data bus 120 and the I / F 92, captures the input A / V data, and processes the still image data. A generation process is performed, and the generated still image data is output to the flash memory 304.
- the CPU 303 stores a processing program in a built-in memory, and performs processing according to the processing program.
- the CPU 303 displays a file name and the like stored in each HDD 100.
- the CPU 303 uses the first to third material data to be edited, for example, and connects the first to third material data as shown in FIG.
- an art point is set in the first material data, and the second and third material data are set.
- a VFL file is created in which the in-point and the art point set in each material data are described in time code as shown in FIG.
- the CPU 303 stores the name of the VFL file, the in-point and the art-point of the first to third material data indicating the video, and the audio.
- a VFL file consisting of the in points and art points of the i-th to third material data shown is created.
- the edited data played back by the VFL file is played from 0 to 5 seconds of the first material data, then played from 10 seconds to 15 seconds of the second material data, Plays the A / V data for 5 to 10 seconds.
- the evening manager 80 manages the data bus 120 by timing based on a video synchronization signal.
- the timing manager 80 controls a timing pulse generator 81 for generating a timing pulse, an interface (I / F) 82 which is an interface with the control panel 70, and various components.
- CPU 83 is provided.
- a CPU 93 controls a timing pulse generator 81 to generate a timing pulse based on a video synchronization signal input from the outside, and transmits the generated pulse to a control bus 121.
- the evening manager 90 manages the right to use the data bus 120 based on the timing pulse.
- the file manager 90 holds file management information indicating the recording area of the file in each HDD 100, and manages the file based on the file management information, and an external network such as an Ethernet.
- a network driver 92 is connected to the network and inputs and outputs data to and from an external network, and a CPU 93 controls each unit.
- the file manager 90 manages the data recorded in the HDD array 110 under the control of the CPU 93. For example, when a file is recorded on the HDD 100, the file manager 90 Then, the data recorded in the HDD array 110 is managed using the file management information including the information indicating in which address in the HDD 100 the file is recorded.
- the file management unit 91 can play a desired file only by specifying a file name by retaining the file management information. Based on the playback file information VFL, the file management unit 91 The material data can be played back on the basis of the edited result without recording new data.
- file management information for managing files stored in the HDD array 110 will be described in detail.
- the file management information includes a file entry (File entry; hereinafter, referred to as FE), a record entry (Record Entry; hereinafter, referred to as RE), and a free space list (Free Spare list). ce List; hereafter referred to as FSL.)
- the FE contains the file name, the pointer information to the first RE, and the start time information (start time code) that describes the actual time when the file was recorded or "0". ) And accompanying information such as the producer and the production date and time are written. That is, in the A / V server 1, FE is set for each file, and the A / V server 1 is linked to the RE which indicates information on where the file is written from the HDD 100 and how long the file is written.
- the RE contains pointer information to the next RE, start position data indicating the start position address on each HDD 100 where the file was actually recorded, and the start position of the file. From the address indicating the position, the continuous area length data indicating the length continuously recorded is written. I get caught.
- the file A is divided into addresses 50 to 100, addresses 200 to 300, and addresses 500 to 750 in the address space on the HDD 100 and recorded.
- £ and 1 describe information as shown in FIG. That is, "A" is described as the file name in the FE, and the pointer information to the first RE is described.
- start time information start time code
- additional information such as a maker and a production date and time are described, but are omitted here.
- the same number of REs as the number of divided files A are prepared.
- file A is the first address recorded on the HDD as the start position.
- the FSL includes pointer information to the next FSL, head position data indicating the address of the head position of the continuous free area on the HDD 100 where no data is recorded, and It has a continuous area length indicating the length of the free area from the address at the head position to the area where the next data is recorded.
- FIG. 7 will be described as a specific example of the information described in the FSL.
- the same number of FSLs are prepared as the number of consecutive free areas.
- “0” which is the first address of the empty area on the HDD 100 is described as the head position data, and since the file A is recorded from the address 50, the continuous area length is “50”. "Is described.
- "100” is described as the start position data, and "100” is described as the continuous area length since file A is recorded from address 200.
- "300" is described as the start position data
- "200” is described as the continuous area length since file A is recorded from address 500.
- EOF End Of File
- the user determines information such as an edit point such as an IN point and an OUT point by operating various switches and the like.
- the AZV server 1 outputs the editing result information thus determined from the control panel 70 to the HDD array 110 again.
- the A / V server 1 only needs to output the editing result information from the control panel 70 to the HDD array 110, and does not need to send the material data itself.
- the HDD array 110 stores and manages various data in each HDD 100.
- HDD array 1 10 has multiple HD 100! , 100 2 , ⁇ ⁇ ⁇ , 100 ⁇ - 3, 100 ⁇ - 2 , 100 ⁇ - ⁇ , 100 n connected to these HDDs 100,, 1002, ⁇ ⁇ , 100 ⁇ -3, 100 n- 2, 100 n-., 100 n are stored in the HDD 100,, 100 2 ,..., 100 n 100 n Manages the data recorded in 100 n-,, 100 n .
- the HDD array 110 includes a buffer 111, a video data write / read processing unit (V) 112, and an audio data write / read processing unit (A) 113.
- the buffer 111 temporarily stores the data when transferring the data to and from the data bus 120. For example, data from each HDD 100 is buffered in the buffer 111 and then output to the data bus 120.
- the video data write / read processing unit 1 12 writes and reads video data to and from each connected HDD 100.c The video data write / read processing unit 1 12
- the desired HDD 100 is selected from among the 100, and the video data input from the buffer 111 is written, and the video data is read from the desired HDD and output to the buffer 111.
- the audio data write / read processing unit 113 performs audio data write / read processing on each of the connected HDDs 100 n-i, 100 ⁇ . Specifically, the audio data write / read processing unit 113 selects one of the two connected HDDs 10 On-i and 10 On, and converts the audio data input from the buffer 111 into one. At the same time as writing, the audio data is read out from the desired HDD 100 and output to the buffer 111.
- the HDD array 110 is provided with redundancy so that data to be recorded for broadcasting business can be reliably recorded and recorded data can be reliably reproduced.
- the transfer performance is enhanced by dividing the data into multiple disks in parallel and the transfer performance is improved.
- a parity disk is provided, and the HDD 100 ⁇ - ⁇ , 100 n in which audio data is recorded is a so-called data It has a RAID-1 configuration called a mirror disk that writes data twice.
- the data input to the input terminal 18 passes through the selector 13 provided in the data input / output unit 11 of the recording port 10, and is input to the encoder 14 to generate a predetermined format. Encoded in the default.
- the encoded data is converted into parallel data by the S / P 15 included in the data management unit 12 of the recording port 10 and buffered by the buffer 16.
- the buffered data is output from the evening timing pulse generator 81 to the data bus 120 during the time slot allocated to the CPU 17, and is transferred to the HDD array 110.
- the data transferred to the HDD array 110 is buffered and read by the buffer 111. Then, of the data read from the buffer 111, the video data is input to the video data write / read processing unit 112, and the audio data is read out from the audio data write / read processing unit 1 Entered into 13.
- the video data write / read processing unit 112 converts the input video data into predetermined units. At the same time as the division, parity data is obtained, and the divided data and the parity data are recorded in the HDDs 100,, 1002, ⁇ , 100n-3 and 10On-2.
- the audio data write / read processing unit 113 records the input audio data in the two HDDs 100n-i, 10On.
- the file management unit 91 generates new file management information including the file name and the address of the recording area of each HDD 100 in which the data is recorded according to the recorded data.
- the A / V server 1 can record the data input from the outside in the HDD array 110 by performing such processing. Next, a process for reproducing the data recorded on each HDD 100 by the A / V server 1 and outputting the data to each of the reproduction ports 20 to 40 will be described.
- one of the playback ports 20, 30, and 40 accesses the HDD array 110 during the time slot allocated by the evening pulse generator 81, and the HDD array 1 Requests that 10 be replayed overnight.
- HDD ⁇ les I 1 10 video data write / read processing unit 1 12
- HDD 1001, 100 2, ⁇ ⁇ ⁇ , 100 ⁇ -3, 100 ⁇ - video data recorded is divided into two and Pariteide Evening is read out, the divided data is unified, error detection and error correction are performed based on the parity data, and video data is reproduced.
- the audio data write / read processing unit 113 reproduces the audio data from the HDD having no error among the two HDDs 10 HDD ⁇ -1, 10On.
- the video data writing / reading processing unit 1 12 and the audio data writing / reading processing unit 1 13 Alternatively, the file to be reproduced is accessed with reference to the file management information stored in the file management section 91.
- the reproduced video and audio data are buffered in the buffer 111, read out, and transferred via the data bus 120 to the playback port that requested the playback o
- the data output from the HDD array 110 is transmitted to the data bus 120 via the data bus 120. It is input to the buffer 23 provided in the evening management unit 21. The data input to the buffer 23 is buffered in the buffer 23 and then converted to serial data by the P / S 24. The serial data is input to a decoder 26 provided in the data input / output unit 22 and decoded, and then supplied to an output terminal 28 via a selector 27 and output to the outside. In this way, the A / V server 1 can reproduce the internal material and output it to the outside.
- the editing process is started in response to an operation input signal when a user operates various buttons provided on the front of the control panel 70.
- the CPU 303 of the control panel 70 sets an IN point, which is the edit start time information, and a V point, which is the edit end time information, for each material data to be edited at one time.
- the editing process is executed by setting as.
- the A / V server 1 is managed by the file management unit 91 described above.
- file management unit 91 By maintaining file management information, it is possible to perform operations such as playing the desired file simply by specifying the file name, and to record a new file at the time of editing based on VFL. And the internal material can be played back based on the edited result.
- the editing result information is referred to as the above-mentioned VFL, and based on this VFL, a predetermined address of each HDD 100 is accessed, and the recorded material data is sequentially read out, thereby obtaining the VFL.
- the edited data based on the output can be output to the control panel 70 and presented to the user.
- the A / V server 1 does not need to re-record the editing result, which is the editing result, in each HDD 100 when performing the editing process. Therefore, the A / V server 1 can edit and output the material data in real time.
- V FL V FL
- the VFL has a file name area indicating an edited file name, a playback start position area indicating an in point and an art point set for material data included in the file, and a playback end area. It consists of a location area.
- the reproduction start position area and the reproduction end position area indicate the reproduction start position and the reproduction end position corresponding to the address on the HDD 100 from the head position of the file, respectively.
- file A divided into three areas of address 50 to address 100, address 200 to address 300, and address 500 to address 750 is recorded. As shown in Fig.
- the VFL shown in Fig. 11 (A) specifies an edit section of length [50] indicated by the playback start position [10] and playback end position [60] for file A.
- file A given at playback start position IS [10] indicated in VFL The start position of the editing section, that is, the in point, is the address 60 obtained by adding “10” to the address 50 described above.
- the playback end position [60] indicated in the above VFL is the end position of the edit section of the length [50] that is continuous from the playback start position [10] (address 60) in the address space, that is, the art point.
- the address 210 corresponds to the end position of the edit section of the address 60 to the address 100 and the address 200 to the address 210.
- the VFL shown in FIG. 11 (A) specifies addresses 60 to 100 and addresses 200 to 210 as a continuous editing section of file A.
- step ST1 the user operates the port selection button 211 of the port selection unit 201 so that the operation input signal transmits the timing manager 80 and the control bus 121. Is input to the CPU 53 of the editing manager 50 via the PC. In response, CPU 53 sets recording port 1 Select the A / V data input from 0 as the second material data (A / V data on the Recorder).
- step ST1 when the user further operates the port selection button 211 of the port selection section 201, the operation input signal is input to the CPU 53, and the CPU 53 is stored in the HDD 100.
- the A / V data stored in the file management unit 91 is read out with reference to the file management information held in the file management unit 91, and the A / V data is stored in the first material data (the A / V data on the player side). Overnight).
- the CPU 303 of the control panel 70 performs a process of displaying a data search screen as shown in FIG. 13 on the display unit 301 in response to a control signal from the CPU 53 to perform the editing process.
- the CPU 303 determines the file number 401, the file name 402, the latest update date and time 403, the selection / non-selection pointer 404, and the selected file stored in the HDD 100 as a file.
- the CPU 303 moves the selection / non-selection button 404 to select the first material data.
- the PU 303 displays an editing processing screen as shown in FIG. 14 on the display unit 301.
- the port number 4 1 1 that holds the material data where the in point and the out point are set, the first material data or the moving image 4 1 of the second material data 2a, an image display area 413, including a still image 412b and 412c of the first material data and the second material data in which the in-point and the art point are set.
- step ST2 an edit processing screen as shown in FIG. 14 is displayed, and the user operates the control panel 70 to specify an edit section for each material data.
- the pre-roll section and the boss roll section are stored in the flash memory 304 in advance by operating the control panel 70.
- the CPU 303 of the control panel 70 generates a time code of an in point and a time code of an art point indicating the editing section specified for the first and second material data, and Calculate the positions of the pre-portal point and the boss roll point from the timecodes of the input point and the art point, and calculate the time code of the in point and the time code of the art point for each material data. Output to the file management unit 91.
- the CPU 303 calculates a pre-roll point by subtracting the time corresponding to the pre-roll section read from the memory 304 from the time code of the designated in-point, and The boss roll point is calculated by adding the time corresponding to the boss roll section from the time code of the point. Calculated pre-roll point and The information of the boss control point is transferred to the CPU 53 of the editing manager 50 via the I / F 82 of the evening manager 80, the CPU 83, and the control bus 121. Also, in step ST2, the CPU 303 of the control panel 70 sets an in point and an art point in the first and second material data, and informs the user that the editing process is possible. Flashes.
- step ST3 the CPU 53 determines an operation input signal indicating that the preview button 269 or the automatic editing button 268 of the control panel 70 has been operated.
- the process proceeds to step ST4 to perform a preview reproduction process, and when the automatic edit button 268 is pressed, the process proceeds to step ST8 to perform an automatic editing process.
- a preview VFL file is created, and based on the preview VFL file, data from the pre-roll point to the post-roll point is sequentially played according to the editing points set for each material data.
- step ST4 the CPU 53 performs a process of converting the time code indicating the in-point and the art point for each material data set in step ST2 described above into an address in the HDD 100.
- the file management unit 91 is controlled so as to create a preview VFL file having a data structure as shown in FIG. 10 for each material data.
- the CPU 53 uses the preview VFL file created in step ST4 described above to play back and control an area including the edit points (in points and art points) of each material data. Mouthful The preview playback is performed by outputting to the control panel 70 and displaying the video based on the preview VFL file on the display unit 301.
- the CPU 53 performs the VTR emulation processing shown in FIG. 15 in accordance with the operation input command corresponding to the pressing of the pre-roll button 221, and performs reproduction. That is, the CPU 53 receives the information of the pre-roll point and the boss roll point created in step ST2 and the preview VF when the operation manual signal to be displayed on the display unit 301 of the control panel 70 is input. Using L, data from the briroll point to the boss roll point of each material is read out sequentially from each playback port 20, 30, 40 and output to the control panel ⁇ 0 via the I / F 52. .
- the first material data is reproduced from the pre-roll point to the in point
- the second material data is reproduced from the in point to the in point
- step ST6 the CPU 53 controls the file management unit 91 to delete the preview VFL file used for the preview reproduction in step ST5 described above.
- the CPU 53 performs a cue-up process to display a still image located at the in point or the art point set in the material data reproduced in step ST5 described above.
- Control panel 70 as described above.
- the CPU 303 outputs the still image located at the in point or the art point stored in the flash memory 304 to the display memory 302, and ends the processing.
- step ST5 the first material After the reproduction to the post-roll point, in step ST7, the reproduction is performed from the boss roll point of the first raw data to the art point of the first raw data in the direction opposite to the time axis.
- VFL file is created, and based on this VFL file, the data from the pre-roll point to the boss roll point are sequentially played back in accordance with the editing point set for each material data, and
- the VFL file is stored in the file management unit 91 as a result of the editing.
- step ST8 the CPU 53 controls the file management unit 91 to create a VFL file based on the in point and the art point set for each material data in step ST2. .
- step ST9 according to the VFL file created in step ST8 described above, each material data from the preroll point to the postroll point is read from each port in the same manner as in step ST5 described above. Playback is performed by performing VTR emulation processing that is output and displayed on the display section 301 of the control panel 70.
- step ST10 a cue-up process is performed in the same manner as in the above-described step ST7, so that a still image located at an in point or an art point set in the reproduced material data is displayed.
- Control panel 70 is controlled.
- the CPU 303 outputs the still image located at the in point or the art point stored in the flash memory 304 to the display memory 302 and ends the processing.
- the VFL file created in step ST8 described above is edited as a result of the editing in the memory or HDD 100 built in the file management unit 91. To be stored.
- each material is Another example of creating a VFL by setting an in point and an art point in data will be described.
- an operation input signal is input to the user by operating the edit-in / art-point designation button 262, and the I / F 52 is set in a state in which the in-point is set in the material data to be edited.
- the operation input signal indicating that the user has pressed the stop button 224 is input from the operation input unit 305 while the material data input from the Is an image located at the point in time when the operation input signal is input, as an image located at an art point. That is, the CPU 303 sets the image stored in the display memory 302 at the time of inputting the operation input signal as the image at the pixel point. Then, the CPU 303 outputs a time code indicating an in-point and an art point set for the material data to the file management unit 91 via the timing manager 80 and the control bus 122 to the file management unit 91. Is created.
- the CPU 303 operates the operation input signal indicating that the user has pressed the stop button 224.
- the CPU 303 changes the image of the preset art point to the image located at the time of inputting the operation input signal.
- the CPU 303 outputs a time code indicating an art point and an in point which have been reset for the material data to the file management unit 91 via the timing manager 80 and the control bus 121 to thereby output the VFL. Let it be created.
- the A / V server 1 that performs such editing processing, when an in point and an art point are set in advance, Even so, you can reset the art point and create a new VFL file.
- the CPU 303 of the control panel 70 creates a VFL file in which the in-point and the art-point are set in each material data by the time code.
- the file management unit 91 creates a VFL file described with address information and plays back material data based on the VFL file, the boss rolls from the pre-roll point set near the in-point and art point. Since the data up to the point is played back after the preview processing and the editing processing, even if the editing processing is performed using the data recorded on the non-linear playback recording medium, the VTR operation is emulated, When presented to the user, the edited data can be presented in the same way as a VTR.
- the A / V server 1 even after playback from the pre-roll point to the post-port point, the A / V server 1 responds to an operation input signal from the control panel 70 due to a user operation.
- Material data located at a point or an art point can be presented to the user. Therefore, in the data recording / reproducing apparatus and method according to the present invention, an in point and an art point are set in the first material data and the second material data, and the second material data is set in the first material data and the second material data.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Television Signal Processing For Recording (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP00957068A EP1158522B1 (en) | 1999-09-09 | 2000-09-08 | Data recording/reproducing apparatus and method |
| JP2001522540A JP4206667B2 (ja) | 1999-09-09 | 2000-09-08 | データ記録再生装置及び方法 |
| US09/831,328 US7302158B1 (en) | 1999-09-09 | 2000-09-08 | Data recording/reproducing apparatus and method |
| DE60041328T DE60041328D1 (de) | 1999-09-09 | 2000-09-08 | Datenaufzeichnungs/.wiedergabegerät und verfahren |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11/256351 | 1999-09-09 | ||
| JP25635199 | 1999-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001018811A1 true WO2001018811A1 (en) | 2001-03-15 |
Family
ID=17291486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2000/006167 Ceased WO2001018811A1 (en) | 1999-09-09 | 2000-09-08 | Data recording/reproducing apparatus and method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7302158B1 (ja) |
| EP (1) | EP1158522B1 (ja) |
| JP (1) | JP4206667B2 (ja) |
| DE (1) | DE60041328D1 (ja) |
| WO (1) | WO2001018811A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008065895A (ja) * | 2006-09-06 | 2008-03-21 | Sony Corp | 編集装置および方法、並びにプログラム |
| JP2008146752A (ja) * | 2006-12-11 | 2008-06-26 | Sony Corp | 記録再生装置、記録再生方法、プログラム |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070140646A1 (en) * | 2003-12-18 | 2007-06-21 | Keiichi Sakano | Non-linear editing device |
| JP5119566B2 (ja) * | 2004-02-16 | 2013-01-16 | ソニー株式会社 | 再生装置および再生方法、プログラム記録媒体、並びにプログラム |
| EP1834258A1 (en) * | 2005-01-05 | 2007-09-19 | Nagra Thomson Licensing | Device and method for managing the content of a file |
| JP2007295269A (ja) * | 2006-04-25 | 2007-11-08 | Sony Corp | デジタル信号の送信装置および送信方法、デジタル信号の受信装置および受信方法、並びにデジタル信号伝送システム |
| JP2007294065A (ja) * | 2006-04-27 | 2007-11-08 | Orion Denki Kk | コンテンツ編集機能を有する光ディスク再生装置 |
| US9716909B2 (en) * | 2013-11-19 | 2017-07-25 | SketchPost, LLC | Mobile video editing and sharing for social media |
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| JPH09163310A (ja) * | 1995-12-08 | 1997-06-20 | Sony Corp | 音声・映像データ記録・再生装置およびその方法 |
| JPH09233374A (ja) * | 1996-02-20 | 1997-09-05 | Sony Tektronix Corp | 放送用録画再生システム |
| JPH10164497A (ja) * | 1996-11-29 | 1998-06-19 | Sony Corp | 編集システム |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5760767A (en) | 1995-10-26 | 1998-06-02 | Sony Corporation | Method and apparatus for displaying in and out points during video editing |
| TW329518B (en) | 1995-12-08 | 1998-04-11 | Sony Co Ltd | Information data recording-replaying device |
| GB2312138B (en) | 1996-04-12 | 2000-09-20 | Sony Uk Ltd | Editing of recorded material |
| US5995471A (en) * | 1996-10-07 | 1999-11-30 | Sony Corporation | Editing device and editing method |
| JP4462642B2 (ja) * | 1997-03-05 | 2010-05-12 | ソニー株式会社 | 編集装置及び編集方法 |
| JP3870486B2 (ja) * | 1997-06-06 | 2007-01-17 | ソニー株式会社 | ハイブリッド記録再生装置及び記録再生方法 |
| US6744969B1 (en) * | 1998-11-10 | 2004-06-01 | Sony Corporation | Data recording and reproducing apparatus and data editing method |
-
2000
- 2000-09-08 JP JP2001522540A patent/JP4206667B2/ja not_active Expired - Fee Related
- 2000-09-08 US US09/831,328 patent/US7302158B1/en not_active Expired - Fee Related
- 2000-09-08 WO PCT/JP2000/006167 patent/WO2001018811A1/ja not_active Ceased
- 2000-09-08 EP EP00957068A patent/EP1158522B1/en not_active Expired - Lifetime
- 2000-09-08 DE DE60041328T patent/DE60041328D1/de not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09163310A (ja) * | 1995-12-08 | 1997-06-20 | Sony Corp | 音声・映像データ記録・再生装置およびその方法 |
| JPH09233374A (ja) * | 1996-02-20 | 1997-09-05 | Sony Tektronix Corp | 放送用録画再生システム |
| JPH10164497A (ja) * | 1996-11-29 | 1998-06-19 | Sony Corp | 編集システム |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008065895A (ja) * | 2006-09-06 | 2008-03-21 | Sony Corp | 編集装置および方法、並びにプログラム |
| US8509594B2 (en) | 2006-09-06 | 2013-08-13 | Sony Corporation | Editing apparatus, editing method, and program |
| JP2008146752A (ja) * | 2006-12-11 | 2008-06-26 | Sony Corp | 記録再生装置、記録再生方法、プログラム |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1158522A1 (en) | 2001-11-28 |
| EP1158522B1 (en) | 2009-01-07 |
| JP4206667B2 (ja) | 2009-01-14 |
| US7302158B1 (en) | 2007-11-27 |
| DE60041328D1 (de) | 2009-02-26 |
| EP1158522A4 (en) | 2004-09-22 |
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