JPH0426980A - Recording medium player - Google Patents

Abstract

PURPOSE:To easily and yet quickly recognize what music is recorded on a recording medium in a magazine by displaying a number for specifying a recording medium corresponding to an audio data under reproducing at a display part. CONSTITUTION:When the magazine 11 is loaded into a main body of the subject device, recording media are taken out in turn from the magazine 11, and an audio data is read out from a prescribed position of each recording medium for a prescribed time and stored in a memory 17. Afterward, upon a request by a key operation, the audio data is read out of the memory 17 in turn, and is reproduced and outputted, while a number for specifying a recording medium corresponding to an audio data under reproducing is displayed at the display part 21, and this number is inputted to specify this recording medium to reproduce the music concerned. By this method, without setting recording media one by one on the player to reproduce, what music is recorded on which recording medium in the magazine 11 can easily and yet quickly be recognized and displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a recording medium playing device, and more particularly to a recording medium playing device that selects and plays a predetermined recording medium from a magazine storing a plurality of recording media. .

<Prior Art> There is a recording medium playing device with an autochanger that stores a plurality of recording media such as CDs (compact discs) or cassette tapes in a magazine, and takes out a desired recording medium from the magazine and plays it. According to such a musical performance device equipped with an autochanger, it is possible to continuously reproduce from the first recording medium to the last recording medium, and when a desired recording medium is specified by number, the recording medium is taken out from the magazine and the performance section is activated. It can be set and played. Therefore, if music is recorded on each recording medium by genre, performer, or other distinctions, for example, classical music, jazz, hops, chanson, etc. can be recorded on separate recording media. For example, desired music can be played by specifying a recording medium according to the user's mood at the time.

<Problems to be Solved by the Invention> By the way, in conventional recording medium performance devices equipped with an autochanger, it is often difficult to know where in the magazine a recording medium on which music of a predetermined genre or performer is stored is stored. .

Therefore, when a user wants to play a disc on which desired music is recorded, when the user specifies the number of a possible recording medium and plays it, if the music is not of the desired genre,
Next, another recording medium is specified, and the same operation is performed to finally reproduce music of the desired genre.

However, in this conventional method, each time a recording medium is designated by a disk number, the recording medium currently set in the performance section is returned to its original position in the magazine, and then the designated recording medium is taken out from the magazine and the recording medium is removed from the performance section. Set it to
The user then has to repeat the process of playing the music, which takes a long time until the desired music is played back and output, and the operation becomes troublesome.

From the above, it is an object of the present invention to easily and quickly recognize what kind of music is recorded on which recording medium in a magazine, without having to set the recording medium in a performance device and play it back. It is an object of the present invention to provide a recording medium playing device with an autochanger that can be instructed by the user.

<Means for Solving the Problems> In the present invention, the above problems are solved by: an autochanger that sequentially takes out recording media from a magazine; a recording medium playing unit that reads audio data for a predetermined time from a predetermined position of the recording medium taken out by the autochanger; This is achieved by a memory that stores read audio data, a playback section that sequentially reads and plays audio data from the memory upon request, and a recording medium instruction section that indicates a recording medium according to the audio data being played.

Function> When a magazine is installed in the main body of the device, recording media are taken out from the magazine one by one, audio data is read from a predetermined position on the recording medium for a predetermined period of time, and stored in the memory.After that, when requested by a key operation, the audio data is loaded into the memory. At the same time, a number identifying a recording medium corresponding to the audio data being reproduced is displayed on the display section, and by inputting the number, the recording medium is designated and music is reproduced.

<Embodiment> FIG. 1 is a block diagram of a recording medium playing device with an autochanger according to the present invention, and is an example in which a compact disc (simply referred to as a disc) is used as the recording medium.

In the figure, 11 is a magazine in which a plurality of CD discs are stored, 12 is a disc playing section, and 13 is for returning the disc CD installed in the disc playing section to its original position in the magazine, or taking out a specified disc from the magazine. 14 is a signal processing section, 15 is an audio circuit equipped with a DA converter, an amplifier circuit, etc.;
16 is a speaker; 17 is an audio memory that stores acoustic data recorded at a predetermined position on each disk stored in the magazine for a predetermined period of time; 18 is a system controller configured with a microcomputer that controls the entire system; and 19 is an audio memory. A user memory stores the position (track number) of the audio data of each disc to be stored, 20 is an operation section, and 21 is a display section.

The operation unit 2o includes a disc select key 20a for setting a desired disc CD in the disc performance unit 12.
, a play key 20b for instructing playback, a track number setting instruction key 20c for inputting the track number of each disc into the user memory 19, a numeric keypad 20d for inputting the disc number and track number, and a clear key for clearing the contents of the user memory 19. key 20e, automatic scan key 20f that automatically scans and reproduces the audio data stored in the audio memory 17 from the beginning, manually increases or decreases the disc number, and transfers the audio data of the disc number to the audio memory 17; It has a manual scan key 20g for reading and reproducing data.

The modes of the disc performance device are: (1) normal CD playback mode; (2) audio data read from track position N (playback position W) of each disc stored in user memory 19 to audio memory 17; (3) a scan mode in which the audio data of a predetermined disc is read from the audio memory 17 and reproduced and output; (4) the trunk position (playback position) of the disc is stored in the user memory 19; Play position to register M)! ! There is a registration mode. Each of these modes will be explained below.

After pressing the mode disc select key 20a of a゛, press the numeric keypad 20d.
When a disc number is input, the system controller 18 inputs the disc number to the autochanger 13, and the autochanger 13 sets the disc with the disc number in the disc performance section 12 (in addition, if the disc is not replaced), the above procedure is performed. (no processing required).

Next, when the play key 20b is pressed, the system controller 18 instructs the disc playing unit 12 to start playback, the disc playing unit 12 starts playing from the beginning of the disc, and transmits the read signal (EFM signal) to the signal processing unit 14. Enter.

When the EFM signal is input from the disk performance section 12, the signal processing section 14 demodulates the EFM signal to a signal before modulation, performs error detection and correction processing on the demodulated data, and then converts the audio data and subcode. The audio data is input to the next-stage audio circuit 15 to output audio from the speaker, and the subcoat outputs it to the system controller 18.

(After pressing the b playback position W registration mode track number setting instruction key 20C, press the numeric key 2
When the disk number d from 0d and the track number t1 are input, the system controller 18 stores the track number t1 in the storage location of the disk number cii in the user memory 19 as shown in FIG. FIG. 2 shows a storage example of the user memory 17 when the number of disks that can be loaded into the magazine is 6. If the track number tl is not stored corresponding to the disk number di, the track It is assumed that number 1 (disc top position) is stored.

C Acoustic Data Recording Mode When a new magazine 11 is attached to the main body of the device and a magazine exchange signal MC8 is generated by a switch (not shown),
The system controller 18 enters the acoustic data storage mode and notifies the signal processing section 14 to that effect.

Thereafter, the system controller 18 causes the autochanger 13 to set the first disc, that is, the disc number 1, in the disc playing section 12, and causes the disc playing section 12 to play the first disc stored in the user memory 19. The track number w (track number t1) is commanded. Note that if no track number is stored in the user memory 19 in correspondence with the disc number, it is assumed that the track number is 1, and track number 1 is commanded as the playback position.

As a result, the disc playing section 12 plays the disc for a predetermined period of time starting from the commanded track number t□, and reads the read E.
The FM signal is input to the signal processing section 14. Signal processing section 14
demodulates the audio data from the input EFM signal and stores the audio data in the audio memory 17 in correspondence with the disc number di (=1).

When the system controller 18 finishes playing the current disc for a predetermined period of time, it instructs the autochanger 13 to play the next disc, instructs the disc playing section 12 to play the position, and transfers the audio data of the next disc to the audio memory 17. After that, the audio data of all discs is stored in the audio memory 17 in the same way.

d scan mode automatic scan key 2Of or manual scan key 2
When 0g is pressed, the system controller 18 enters the scan mode (automatic scan mode, manual scan mode), and inputs this information to the signal processing unit 14. As a result, in the automatic scan mode, the signal processing unit 14 sequentially reads audio data from the audio memory 17, inputs it to the audio circuit 15, and reproduces it, and also sends the disc number of the audio data being reproduced to the system controller 18.
is input and displayed on the display section 21. In addition, in the case of manual scan mode, use the manual scan key 20g.
Only the audio data of the disc number designated by is read and input to the audio circuit 15 for reproduction, and the disc number is displayed on the display section 21.

Therefore, if you do not know what kind of music is recorded on which disc, you can play back the audio data stored in the audio memory 17 in the -degree scan mode, thereby confirming that the desired music is recorded. After recognizing the disc number, the player can then specify the disc number on which the desired music is recorded using the numeric keypad and play it back.

In this case, since it is only necessary to read the audio data from the audio memory 17 and reproduce it, it is possible to identify what kind of music is recorded on all the discs in a short time.

<Effects of the Invention> According to the present invention, when a magazine is installed in the apparatus main body, recording media are sequentially taken out from the magazine, audio data is read from a predetermined position on the recording medium for a predetermined period of time, and is stored in the memory. When requested, audio data is sequentially read from memory, played back, and outputted.
A number identifying a recording medium corresponding to the audio data being played back is displayed on the display section, and by inputting the number of the storage medium in which desired music is recorded, the recording medium is designated and the music is played back. Therefore, it is possible to easily recognize and instruct what kind of music is recorded on which recording medium in a magazine, without having to set the recording medium in the performance section and play it back. .

[Brief explanation of drawings]

FIG. 1 is a block diagram of a recording medium performance device with an autochanger according to the present invention, and FIG. 2 is a storage example of the user memory in FIG. 1. 11.Magazine 12..Disc performance section 13..Auto changer 14..Signal processing section 17..Audio memory 18..System controller 19..User memory 2o..Operation section 21..Display section Patent applicant Alpine Co., Ltd. Company agent Patent attorney Chiki Saito Figure 2

Claims (1)

[Claims] In a recording medium playing device that selects and plays a predetermined recording medium from a magazine storing a plurality of recording media, the recording medium is sequentially taken out from the magazine after the magazine is installed in the device main body. an autochanger; a recording medium playing section that reads audio data for a predetermined period of time from a predetermined position on the recording medium taken out by the autochanger; a memory that stores the read audio data; a playback section that reads and plays audio data from the memory upon request; 1. A recording medium performance device, comprising: an instruction section for instructing a recording medium according to audio data being reproduced.