JPS6080168A - Controller of digital disk player - Google Patents

Abstract

PURPOSE:To simplify the system constitution with elimination of malfunction and to attain installation of a disk player into a small space, by using just a single controller to perform programming for program search and reproduction of plural players. CONSTITUTION:When a start button 72 is pushed after confirmation of glowing of one or more of pilot lamps 74-81, the program search is carried out automatically for a player corresponding to the 1st music. Then a stand-by state is set and a pilot lamp 83 turned on. In an automatic play mode, a switch 73 is set to the AUTO side. Then a play button 21 or a monitor button 23 is pushed to set the player under a reproduction mode. When the play is over with the 1st music, the player of the 2nd music is automatically selected to perform the program search of the 2nd music. In this case, the 2nd music is automatically started in the case of an automatic play mode. When the next music is desired during a play of a certain music, a stop button 20 is pushed to set automatically the music. The player is stopped when all program steps are finished.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an apparatus for controlling a plurality of digital disc players.

Background technology and its problems 1140D (compact disc) where digitalized audio signals such as music are recorded
D Furuya? ! When controlling the operations of several players, conventionally, a control device was connected to each of the players. They are controlled independently. For this reason, the overall system configuration is complicated, resulting in multiple interfaces (9), which increases the number of operations (1), which makes it easy for erroneous operations to occur, and requires a larger space.

OBJECTS OF THE INVENTION The present invention provides a PIl device that commonly controls a plurality of (j I) players.

Outline of the Invention The present invention is configured such that a plurality of digital disc players are connected, and a first selection means for selecting at least two players from the plurality of players, and this first selection. a second selection means for further selecting one player from among the players selected by the first selection means; a cueing means for cuing up the one player selected by the first selection means; A playback means and a program means are provided for putting the player into a playback mode, and the program means causes the playback means to sequentially cue up the players sequentially selected by the second selection means. The control device for a digital disc player is characterized in that the cueing position of each player is stored at the same time as the cueing position of each player is played, and each player is played back in the above-mentioned sequence by the playback means according to the memorized cueing position. It is something. This makes it possible to perform programming for cueing and playback of a plurality of digital disc players using a common device.

(The following margins are continued on the next page.) Example In this example, n CD players are connected to the control device, and any two of them are selected.
One of them is used for playback operation, and the other is used for cueing operation. Such a function is used, for example, in a music program at a broadcasting station, when two players are used and one of the players is being played while the other is being cued.

Further, in this embodiment, an IC is provided so that the beginning of the music to be played on the discs set in each of the n OI players and the order in which each player plays the music can be programmed in advance.

Figure 1 shows the control device (0 showing the operation panel surface of 11 + 21).
On the first side of the music part 11il of this control @ placement... are provided a headphone connection part + 31 for monitoring the playback signal, a sound adjustment knob (41) for the monitor sound, a V output switch (5), etc. Also, the control A Hirojin cord ((逼)) is connected to the trowel part 11111 side of the device (1), and n O
I) Connection parts (71) (72) to which the player is connected...
...==(7n-1X7t+) is provided.

Next, with the players numbered 1 to n connected to the connection parts (71) to (7n), the operation panel surface (2
) The operating procedures for the various operation buttons arranged in the following section will be explained.

First, to select two players from players numbered 1 to n, press the player set button (91) on tRl, then press the player select button (8), then press one of the desired player numbers using the old numeric keypad. choose. By kneading, the player with that number is called and becomes in a controllable state. This player's number will be displayed on this screen, and
When a disc is set in the player 11, the display lamp θe lights up. Next, press the second player set button 1l.
After pressing Ql, press the player select button; 8) and select another desired player number using the numeric keypad Uυ. As a result, the player of that age number is called up and becomes in a controllable state. At this time, the display unit 03 displays the player number, and if a disc is set in the player, the display lamp 4 lights up.

As a result of the above, two players are selected. These two players can be pressed at any time except during playback by pressing the select button (
8), you can change to another player using the set button + 91Qα keypad (old). In the following description, a case will be described in which the first player and the second player are selected and they are not changed.

When you have finished selecting the two players, press the set button +91 or 001 to cue up the next player.
Press to set player #1 or #2 and make it controllable. Note that the selection of the two players described above has been completed. ! :, ki (1, display section (131 and display lamp (19 is lit, player number 2 is set)) 7
This means that Next, for example, with the second player set, use υ on the numeric keypad to specify the number of the song on the disc. This command brings the pickup to the beginning of the specified song. At this time, the disc is rotating and the beginning of the track is played repeatedly. Therefore, by listening to the playback sound with headphones, you can tell that the beginning has been started. If you want to more accurately position the beginning, use the numeric keypad (1
After performing the above cue using υ, press the manual button c! 4
), then turn the knob (G). By kneading, the cue position can be adjusted in units of one frame on the disc. Therefore, for example, it becomes difficult to cue to the position before the actual sound of the song. For compact discs, one second of the signal recorded on the track is 75
A frame signal is recorded as a frame.

Also, if you want to cue in the middle of a song specified with the numeric keypad (1υ), press the index button f2 + i1, then press
Desired cue position fjIt of the specified song = corresponding index number is specified using the numeric keypad αυ. On a compact disc, there are 99 index numbers between the beginning and the end of the song, and the content corresponding to each number is displayed on the jacket, so you can find the desired starting position of the song. You can know the index number. When an index square number is specified, the pickup moves to that position. In this case, using the manual button eJ41 and the knob (c), the cueing position can be adjusted more precisely. Note that the push button Qυ is a button for advancing the number specified by the numeric keypad (11) by one, and the push button (A) is a button for returning the number specified by the numeric keypad by one.

After confirming through the headphones that cueing has been completed with t(L) as described above, by pressing the standby button +22, the second player enters standby with cueing completed, and in this state h1 is displayed on the display lamp 1181.

If you want to reconfirm the cue number 1+# using this standby pattern, press Monitor @I (231), and the specified I7 song will be played from the cued part. After checking thoroughly, turn on standby publication (2) again.
), the self-pickup is canceled and the I7 pick-up returns to the cueing position again and enters standby mode IM&.

From this state, when the play button 12+1+ is pressed, the player 2@ is suddenly put into the playback mode, and the playback signal strength S, if it is a broadcast program, is broadcast and monitored with headphones. At this time, the display lamp (碍) goes out and the display lamp aη lights up, indicating that it is on air. Also, as the disc plays, the currently playing track number, index number, time 1 minute, etc. seconds, frames)
etc.fJs N Sebe (2I CI Cl1l O'a
C (respectively displayed by 31. Indicator lamp (goods)
lights up and the display above (2g!~((31) indicates that the display is currently being played.
The display 1 is also performed during the above-mentioned cueing operation and during the pause, in which case the voice indicator lamp (7) or (3n
lights up. 1. If you want to know the remaining time during playback, press the PJI display button C to turn on the display lamp C and display the remaining time.17
Ru.

Furthermore, when the cue is being searched using the index mentioned above, the blue display lamp (41f) lights up. still,
By pressing the stop button V, the above reproduction is stopped.

If you want to cue the first player while playing the second player, press PLAYER SET - OLD 9I. As a result of this, the player numbered 11+F becomes controllable & t4, and the 1 display section uz and display lamp (I61) light up, and the display section 翰~(to) changes to the display regarding the number 1 player. (The light is lit. Furthermore, this (
! - Player number 2 continues to play, and its display lamp (ID) is lit.

In this state, the first player is cued up in the same manner as described above. If you want to know the status of the second player while this cue is being searched, press the temporary switch button (39).

By doing this, the headphones can be used to monitor the playback sound from the 2nd player.
The display changes to the display regarding the player whose turn it is. Therefore,
You can now check the second player's regenerated egg. In addition, if you press the remaining time display button in this state, you can also see the remaining time of the two players. Then -N,j! ,
By operating the switching button ((1) again, the player with the number 1 position becomes controllable +i1:, and the head IJI is performed successively. When the head position is completed, it becomes a standby state 1j4. Then After the second player's victory or loss ends or the announcement etc. is finished, play! nll fal
By pressing +, the first player is put into longevity mode.

At this time, the display lamp (161 goes out, and the display lamp tI
41 lights up.

If you want to cue up the number 2 player during this playback, by pressing the player set button O1, you can put the number 2 player in a controllable state and do the cue.

The above describes the case where players No. 1 and No. 2 are used, but if you want to change the players to be used, for example, if the No. 2 player is in - mode, press the set button (9).
After pressing , press the select button 18), then press the numeric keypad U.
By pressing υ and pressing the desired player number, that player is called and becomes controllable, and the number 1 player is disconnected and becomes the first player. Therefore, the control device (1) according to this embodiment can be used in such a way that n players are called up 111 times, each of them is cued and placed, and then played back one after another.

FIG. 2 shows a schematic circuit system for performing the above-described operation of the control @hu+, and parts corresponding to those in FIG. 1 are given the same reference numerals.

n OD players numbered #1 to #n are connected to the control device (1) via connection sections (71) to (7n). Each player connects the connection parts (71) to (7n)
) is connected to the A channel selector (421) and the B channel selector (4:Ia) via the signal transmitting/receiving circuits (41+) to (41n).The A channel is selected with the set button +9 and turned off. The B channel refers to the channel related to the player selected with the previous IF!6 set button 10n.These 11 selectors 1421h:v cannot be switched through the control l10 (441). The selector (421 (43) outputs various signals to be sent and received to the player selected by
Processed by il 11, 几AM (Write to 47+ or read it. 几OM
The data necessary for the arithmetic processing of U (461) is stored in the HL.0PLI decoy and the above command interface l
10 (45 is driven by the clock φ obtained from the clock oscillator tAv) The first signal obtained by operating the player select button (8), set button (9), 0α numeric keypad (111) and each push button The signals obtained from the matrix 5I and based on the operation of each pushbutton in Figure 1 ~ CI!41 are processed through the input 106υ of each pushbutton, so that the cue,
The signals necessary for reproduction, display, etc. are formed and sent to a first, predetermined circuit. Among these, the signal for display is applied to the display section +121f+31 via the display I10 (53), and is also added to and turned off by the display circuit for driving the other display sections and display lamps shown in FIG. .

Note that the circuits indicated by (f) and (c) relate to the program, and the kneading will be described later.

FIG. 6 shows a flowchart based on the circuit Sakaki of the m2 diagram.

According to this flowchart, the player's selection operation described in FIG. 1 is executed.
The loop leading to the OR is executed when the player is not connected or the player's state is not normal.

FIG. 4 shows a circuit system related to the temporary switching +111C described in IIJ, and parts corresponding to those in FIGS. 1 and 2 are designated by the same reference numerals.

As mentioned above, the temporary switching button CHI is used when the player of one channel is being played, and when the player of the other channel is being played back and the player of the other channel is being searched for and G is pressed,
It has a function of temporarily controlling the playback 1tr of the player playing the upper nC and temporarily switching the display section - to (to) to the display that shows the player playing the upper part. .

PJ for this! In the circuit shown in Figure 4, the A player (
Ach player) monitor output and B player (13
Switch 65 to monitor output of cl+ player)
1. By switching ff1li to selection, it is supplied to the headphone (ill (or speaker)).

These switches Cj! 11c+ (i+ is transistor +i+ (51j is controlled by 0). Now, 4/11 is set, button 11017'11 is pressed and player B's recitation is performed, and player A is recited. In this aid, signal selection times M
It is applied to the transistor axis through S1611 power 5 switch 6 (select signal for turning on the signal) I3 g.

This makes the transistor 6s conductive and turns on the switch (a), so that the monitor output of the B player is applied to the headphones 6n. Along with this, the above signal is also applied to the display control circuit from the gate side, and by kneading the switch ITJ is set to B111I.
1 and added to 0PU (display circuit 6.1) with indication data regarding the B player supplied from 4fil.

In this state, in order to monitor player A, the temporary switching button C (I is imitated) is driven by the timing control circuit ill (I SD and erase signal BLK).
is output. The above signal sD is game) Q lli! i
By making transistor 6 conductive through ', switch 6 is turned on. The signal BLK turns off the switch by making the transistor 61 non-conductive through the first gate. Headphones 6
In 7), the monitor output of Player A is 〃0. The signals 8D, B, and LK are also applied to the display control circuit, and the switch is switched to the A side, whereby display data regarding player A is added to the display circuit.

In this state, if you operate the remaining time display button (control), the switching circuit will not switch, the A player control signal will be output, and the display data will be changed to the content that represents the remaining amount of time. .In addition, the switching circuit IP K J
The timer signal 5D1B1JK is added to display the remaining time of the player in playback mode.

When the temporary changeover switch (3!I is released, the transistors e'i81 ffi!6 are inverted and the switch l'+5
1 is turned off, switch 5+il is turned on, and the monitor output of the B player which is cueing is supplied to the headphones 6n.

Figure 5 shows the temporary switching button 61 in the circuit configuration of Figure 4.
5 shows a flowchart for performing the operations described above.

Next, the case where the player is programmed to be played back by the 1II11411 device (11) will be explained in detail.The control device m,
l] By using the program function of l, it is possible to play any songs on the discs of players A and B in any order.

In FIG. 1, when programming, first press the program button σ1. As a result, the program mode is entered, the contents of the previous program stored in the memory are cleared, and the device waits for data input of a new program. At this time, the display lamp t821 is lit and the first display lamp a flashes to indicate that the first song is being programmed. In addition, number 1\
The display lamp No. 8 ff4) indicates the program 1 sequence and the performance II sequence of the songs to be programmed, and in this embodiment, 8 songs can be programmed. - Next, press the set button (9) or (10) to select the player you want to program, then select the desired song on the disc set in that player and cue it. This cue operation is the same as the operation described above. When the 0-head selection is completed and the reconfirmation is completed, the set button (71) is pressed. As the program data is loaded into the memory by kneading, the display lamp (141) changes from blinking to lit, and the second display lamp a1 starts blinking.Then, the second song to be programmed is on the same disc as the first song. If the second song is on the disc of the other player, then after selecting the player with set d 191 or 11 "n, After repeating the above operations and setting the program for 8 songs, the control device (11) automatically exits the program mode. When programming the number of songs, all the program buttons (press 7I# again to exit the program mode) will light up and the display lamps will go out.

Next, the operation when executing the program will be explained.

First, after confirming that one or more of the display lamps (14) to a3υ are lit, the start button σ2 is pressed. As a result, the player corresponding to the first song is automatically cued up and the display lamp 9 lights up. Next, in the case of automatic performance, switch σ3 is set to ALITOill, and in the case of manual operation, switch a3 is set to MANUALI rule t7. If the next play button 12D or monitor button (c) is pressed, the player enters the playback mode. Then, when the first song ends, the player for the second song automatically selects M t-f 11 to cue the second song. At this time, the second song is automatically started by the automatic performance, and the second song is put into a standby state by the manual operation, and starts after the play button +211 or the monitor button is pressed. Also, if you want to prepare for the next song while playing a song, you can press the stop button 4 to automatically advance to the next song. When all the steps of the program are completed as described above, the player becomes a stop state.

In the circuit shown in Fig. 2, the signals from the operations of the push buttons σ to a4 are added to the push button matrix (A) to the push button matrix (I). Figures 6 and 97 show flowcharts for executing the operations related to the above-mentioned program using the circuit shown in Figure 2, and Figure 6 shows the flowcharts related to programming. Flowchart FIG. 7 is a flowchart relating to program execution.

(The following is a margin, continued on the next page <,) Effects of the Invention Programming for cueing and playback of a plurality of players can be performed using one control device. The creation of the C system is therefore greatly simplified. This eliminates the possibility of erroneous operation) and allows installation in very narrow spaces. The apparatus of the present invention is particularly suitable and effective for use in cases where a plurality of CD players are used to reproduce a program, for example, in a music program of a broadcasting station.

[Brief explanation of the drawing]

Figures 1 to 7 show embodiments of the present invention. Figure 1 is a plan view of the operation panel, Figure 2 is a schematic block diagram of the entire circuit, and Figure 6 is for normal operation. 4 is a circuit block diagram related to the temporary switching button, FIG. 5 is a flowchart related to FIG. 4, and FIGS.
The figure is a flowchart regarding program playback. In addition, in the symbols used in the drawings, (1)...................................Control device (71
) ~ (7n)...Player connection part (8)...-
・・・・・・・・・Player select button +9XI01
・・・・・−・−Player set Kizumi υ・・・・・
・・・・・・・・・Numeric keypad (2υ・・・・・・・・・
・・・・・・Play button (29・・・・・・・・・・・・
・・・・Pick 0ri・・・・・・・・・・・・・ A
Channel selector (4 moats......
・・B channel selector Oe ・・・・・・・・・
・・・・・・ 0PU(47)・・・・・・・・・・・・
・・・・RAM decoy・・・・・・・・・・・・・・・R
OMσ〔・・・・・・・・・・・・・・・ Program button συ・・・・・・・・・・・・・・・Set button (72
1・・・・・・・・・・・・・・・ This is the start button. Agent: Katsutsune Ueya, Yoshi Kano, Toshiki Sugiura (Voluntary) Written Amendment 1. Display of the case 1988 Patent Application No. 188844 (218) Sony Corporation 64 Number of inventions increased by amendment 7/Subject of amendment Detailed explanation column of the invention in the specification and drawings - (1), Specification No. Page 8, 4th and 5th lines “Number”
is corrected to "song number". (2) Correct "display lamp 06)" in the second line of No. 11 to "display lamp α51". (31. On page 18, line 16, "all lights up" is corrected to "light up for the number of programmed songs.") (4), Figures 1, 5, 6, and 7 Correct as shown in the attached sheet (however, Figure 1 shows PROG in section 82)
(Corrected RAMING to MMING with P(a)G attached). -That's all-

Claims (1)

[Claims] a first selection means configured to connect a plurality of digital disc players and select at least two players from the plurality of players;
a second A-folding means for further selecting one player from among the players selected by the selection means; and a cueing means for cuing up the one player who has been melted down by the second selection means. , the player whose cue has been cued is put into the caterpillar mode (5) a raw means and a phlogram means are provided, and the phlogram means causes the cue of the players sequentially selected by the second selection means to be set to the caterpillar mode. by means l
A digital disc player characterized in that the play is performed every 111 times, and the starting position of each player is memorized, and each player is moved to the 111th position by the gain/loss means according to the memorized cue position. control device.