JPS6182354A - Recording and reproducing device utilizing computer - Google Patents

Abstract

PURPOSE:To discriminate surely and easily a prescribed program by using a host computer to discriminate the result of detection of a block number added to a head of a data at each block. CONSTITUTION:When a skip control instruction is given to a main control section 3 from a host computer 1, a drive control section 4' controls a drive control section 5 and the recording tape is brought into the fast feed mode. In this case, a non-sound detection circuit 10 detects a non-sound section provided before voices B1-Bn at each block of the track from the output of a reproducing circuit 7 and transmits the detection signal to the control section 4'. Further, a detection circuit 11 detects a block number added to the head of the data at each block of the track from the output of the reproducing circuit 7 similarly and transmits it to the control section 4'. The control section 4' switches the tape into the reproducing mode when the block number and that given by the main control section 3 are coincident. As a result, the recording voice corresponding to the recording data after skip is given to the computer 1 and the user, and the study program is proceeded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a computer-based recording and reproducing apparatus that is controlled by a small-sized computer generally referred to as a personal computer and that reproduces a recording tape used for learning or the like.

A computer-based recording/playback device is a new computer-based system that uses a tape recorder such as a cassette type as an "audiovisual media." 2 For example, it can be controlled by a general-purpose personal computer, which has become widespread these days, as a host computer, and is Using a display device connected to
This is a device configured to be used for English conversation, music, abacus, and other purposes such as play or learning for young children or students.

In the computer-based recording and playback device used for learning, learning is performed in a step-by-step manner, for example, in the form of questions, and the learner responds to voice questions by pressing an answer button, and the answer results are checked by a computer. There are many.

The audio questions are recorded on audio tapes in blocks for each question, and the data used to check whether the learner's answers are correct is also recorded on the same audio tapes for each block.

In order to improve learning efficiency, a 21-rack type recording tape is usually used, and the first track contains the program for the F-rank computer and the data to be input into the host computer for checking, and the second track contains the program for the F-rank computer and the data to be input into the host computer for checking. The track records the audio that is presented to the user.

Such computer-based recording and playback devices for learning use controls such as skipping to earlier questions or backtracking to later questions depending on the learner's answers (generally referred to as cueing).
However, in such cases, some kind of identification is provided between the blocks in which the two problems and the data corresponding to each problem are recorded to facilitate cueing. ing.

Incidentally, the recording tape is driven in a high-speed fast-forward mode when searching for the beginning, and in a constant-speed playback mode when reproducing the recorded content, but in either drive mode, the above-mentioned identification detection is performed. must be ensured.

[Conventional technology]

FIG. 2+a) shows a configuration diagram of a conventional example of a computer-based recording and playback device used for learning purposes, and 2 is a receiving unit that receives control commands given from the host computer 1.

, 3 is a main control unit that analyzes a control command received by the receiving unit 2 and generates a control signal for a drive control unit 4 (described later), and 4 controls a drive unit 5 (described later) using a control signal given from the main control unit 3. Drive control section.

5 is a drive unit that drives the recording tape, 6 is a recording/playback head, 7 is a two-channel playback circuit that plays back the recorded contents of the recording tape, and 8 is amplification of the audio signal of the second track played back by the playback circuit 7. amplifier, 9 is headphones,
Reference numeral 10 denotes a silent part detection circuit for detecting a silent part provided between blocks of the first track and a silent part provided between blocks of the second track from the reproduced signal reproduced by the reproduction circuit 7. .

In addition, FIG. 2 (bl is a configuration diagram of the recording tape to be used, and the upper row is the first track for recording the computer program Ao and the data AI, ship, Am, etc. for each block,
The lower row is the audio Bo-Bl, B2,...Bn presented to the user.
... is recorded for each block, and a is the data 81 for each block recorded in the first track.
82...A silent part provided before Am..., b is the audio old sound for each block recorded on the second track, B2...B
This is a silent part provided before n.

With the above configuration, by first loading a recording tape and operating the console (not shown) provided in the first track computer 1, the computer program recorded at the beginning of the first track of the recording tape can be read. , is read by the recording/playback head 6 and loaded into the host computer 1 via the playback circuit 7.

During this time, the bank grand music recorded in the Bo section of the second track is played back and played to the learner through the headphones 9.

When the loading of the computer program 80 is completed in this way, the display device (mg not shown) connected to the -1-position computer 1 is displayed with 1, for example, r.Now, let's start learning. When you are ready, press the deck execution button. " is displayed.

When the learner presses the instructed execution button, following the chime, the first interval is recorded at 81 of the second track.1 If you think that the following statement is correct (
Yes, if you think it's a mistake, say no! ). ....... The sound J is transmitted to the learner through the headphones 9.

At this time, the data recorded on the AI of the first track is simultaneously reproduced by the reproduction circuit 7 and sent to the host computer 1. The elbow records data used to check the learner's answers, as well as data such as blocks that record the next question depending on whether the answer is correct or not.Based on this data, the higher-level computer 1 is 1 For example, ``Skip to the jth block of the first truck.

”, the main control unit 3 calculates the number of blocks to be skipped and skips the number of blocks based on the calculation result.
- A control signal is sent to the drive control section 4, and the drive control section 4 controls the drive section 5 to switch the recording tape to fast forward mode.

The silent portion detection circuit 10 detects a reproduction signal from the reproduction circuit 7 obtained while the recording tape is running in fast forward mode.

The silent portion a provided in the first track and the silent portion provided in the second I rack are respectively detected, and a detection signal is sent to the drive control unit 4 each time. Further, the drive control unit 4 is driven when the number of times the silent part detection circuit IO detects the silent part a of the first track and sends out a detection signal matches the number of skips given by the control signal of the main control unit 3. The drive mode of section 5 is switched from fast forward mode to playback mode.

In this way, the recording tape is skipped to the jth block of the first track, and the data recorded in this block and the audio recorded in the corresponding block of the second track are respectively , are given to the host computer 1 and the user, and the learning program proceeds in the same manner.

[Problem that the invention seeks to solve]

In the above configuration, the division between blocks is identified by the silent part, so the audio of each block is divided into 1 and A2.
If there is a silent part in . When skipping, there is a problem in that it is necessary to count the number of times silent parts are detected.

[Means for solving problems]

The present invention consists of a first track and a second track, and the first track contains a host computer program and data to be input to the host computer, and a block number is attached to the beginning of each block separated by a silent part. In the computer-based recording and reproducing apparatus, the computer-based recording and reproducing apparatus uses a recording tape in which the audio to be presented to the user is recorded in blocks separated by silent parts on a second track, and is driven or reproduced under the control of a host computer. a first detector that detects the silent portion from a reproduced signal obtained by reproducing a recording tape;
and a second detector that detects the block number from the reproduced signal.

This is an attempt to solve the above problem.

[Operation] In other words, in the present invention, a second detector is provided to detect the block number attached to the beginning of the data for each block, and the detection signal is discriminated by a host computer, etc., thereby
This allows a predetermined block to be reliably and easily identified.

〔Example〕

The gist of the present invention will be specifically explained below with reference to an embodiment shown in FIG.

FIG. 1+a) is a block diagram of one embodiment of the present invention.

In the figure, the same symbols as those in the conventional example shown in FIG. Using a detection signal obtained by a block number detection circuit 11 described later.

A drive control section 10' controls the drive section 5 according to a control signal given from the main control section 3; A section detection circuit 11 is a block number detection circuit that detects a block number attached to the beginning of data for each block of the first track from the reproduced signal reproduced by the reproduction circuit 7.

Also, in Figure 1 (bl is an example of the configuration of the recording tape used, and in Figure 2 (bl), the same reference numerals refer to the same objects, and
CI, C2, . . . Cm, . . . are block numbers provided before the block-by-block data A1, gunwale, . . . Am, of the first track.

With the above configuration, in the same way as the conventional example,
After the calculation program is first loaded into the host computer 1, the learning program is proceeded according to the contents of the audio tape.

Therefore, when the host computer 1 sends a control command to the host computer 9, for example, "skip to the j-th block of the first track," the main control unit 3 executes the following command.

A corresponding control signal is sent to the drive control section 4', and the drive control section 4° controls the drive section 5 to switch the running of the recording tape to the fast forward mode.

At this time, the silent portion detection circuit 10 detects the output from the playback circuit 7 while the recording tape is running at fast forward speed.

Audio B1 for each block of the second track of the recording tape
It detects the silent part provided before B2...Bn... and sends a detection signal to the drive control unit 4'' each time. , detects the block number attached to the head of each block of data on the first track of the recording tape, and sends it to the drive control block 4°.

When the block number detected by the block number detection circuit 11 matches the block number given by the control signal from the main control unit 3, the drive control unit 4'' changes the drive mode of the drive unit 5 from fast forward mode to playback. mode.

As a result, the recording tape is skipped to the jth block of the first track, and the data recorded in this block and the audio recorded in the block of the second track corresponding to this data are These are given to the host computer 1 and the user, respectively, and the learning program proceeds in the same manner.

〔Effect of the invention〕

As explained above, according to the present invention, by using the block number attached to the beginning of the data for each block of the first track, block identification is performed reliably, and therefore the beginning of the recording tape can be located. can be performed stably.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. Figure 1 (bl is a diagram showing an example of the configuration of the recording tape used in the same embodiment. Figure 2 (al is a block diagram showing the configuration of the conventional example. Figure 2) is a diagram showing an example of the configuration of the recording tape used in the conventional example. This is a diagram showing an example of the configuration. In the figure, 1 is a host computer, 4 is a drive control section, 7 is a reproduction circuit, 10° is a silent part detection circuit, and 11 is a block number detection circuit. (L,)

Claims (1)

[Claims] It consists of a first track and a second track, and the first track records the program for the host computer and the data to be input to the host computer, with a block number attached to the beginning of each block separated by silent parts. The second track uses a recording tape in which the audio to be presented to the user is recorded in blocks separated by silent parts, and the recording tape is played back in a computer-based recording and playback device that is driven or played back under the control of a host computer. A computer-aided recording/playback device comprising: a first detector for detecting the silent portion from a playback signal obtained by the playback; and a second detector for detecting the block number from the playback signal.