JPH02302980A - Magazine system compact disk player - Google Patents

Abstract

PURPOSE:To eliminate a necessity for a user himself to call and confirm the program information of a magazine to be reproduced by successively inserting corresponding respective magazines at the time of inputting the program information for respective magazines. CONSTITUTION:By successively inserting corresponding respective magazines at the time of inputting the program information for respective magazines 2, the program information to individually correspond to respective magazines 2 and the TOC information in the prescribed positions of respective magazines 2, for example, of a first compact disk are stored together in a storage means. When the necessary magazine is inserted at the time of reproducing, the same TOC information as the TOC information of the necessary magazine 2 is retrieved based on the output of a comparing means 15, and at the time of the coincidence, the program information corresponding to the TOC information is read out from the storage means, a program music selection is executed, and thereby, the necessity for the user himself to call and retrieve the program information of the magazine to be reproduced can be eliminated.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention provides a magazine-type compact disc that allows program selection of a plurality of compact discs by inserting a magazine containing a plurality of compact discs. Regarding the player.

<Prior Art> Conventionally, in this type of compact disc player, when attempting to select a program, the playing order of the plurality of compact discs stored in the magazine, that is, the number of the compact discs, is determined in advance. Program information such as which track on the disc to play, and then which track on the next compact disc to play, or message information such as when this block information was created, can be stored in advance using keys for each magazine. Enter it and
Store it in the compact disc player's memory.

Then, the user selects and inserts a desired magazine to be played from among the plurality of magazines into this compact disc player, and then the user individually responds to each magazine input in advance. A plurality of pieces of program information and message information are called up by key operations and displayed sequentially on the display section of the compact disc player, and after confirming that the program information and message information corresponding to the desired magazine have been called up, the program This will start song selection.

<Problem to be solved by the invention> In the conventional magazine type compact disc player,
The magazine inserted into the disc player cannot be identified, and therefore, the program information etc. stored in advance in the memory corresponding to the inserted magazine cannot be automatically called up. ``Double series'', the user must sequentially call up and check the program information that individually corresponds to multiple magazines stored in advance in the memory. In other words, the user must check which magazine the program information belongs to I had to manage what was there, which was a hassle.

The present invention has been made in view of the above points,
The purpose of this invention is to enable identification of the inserted magazine, automatically call up program information corresponding to this magazine, and select program music.

<Means for Solving the Problems> In order to achieve the above-mentioned object, the present invention sequentially inputs program information for program selection into each of a plurality of magazines each containing a plurality of compact discs. The magnetic compact disc player selects and inserts a desired magazine to be played from among the plurality of magazines, and selects a program based on the program information. When the program information is inputted, the TOC information of the compact disc stored in a predetermined position of each magazine to be inserted is stored in a storage means sequentially together with the program information input for each magazine, and for playback. a comparing means for sequentially comparing the TOC information of the compact disc stored in the predetermined position of the inserted desired magazine with the TOC information stored in the storage means; The apparatus further includes a control means for reading program information stored in the storage means together with the matched TOC information and selecting a program when the TOC information matches.

According to the above configuration, when inputting program information for each magazine, by sequentially inserting each corresponding magazine, the program information corresponding to each magazine individually and the predetermined information for each magazine can be input. For example, when the 'roc information of the first compact disc is stored in the storage means, and a desired magazine is inserted during playback, the same TOC information as that of this desired magazine is searched. ,
When a match occurs, the program information corresponding to the TOC information is read out from the storage means and the program selection is performed, so the user can call up and search the program information of the magazine he/she wishes to play, as in the conventional case. There is no need to do so.

<Examples> Examples of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a configuration diagram of an embodiment of the present invention.

The compact disc player 1 of this embodiment has a plurality of (eight in this example) magazines 2, each containing a plurality of compact discs. This is a magazine-type compact disc player that allows program selection of a plurality of compact discs stored in the magazine by inserting any one of the magazines 2B to 2B.

In FIG. 1, numeral 3 denotes a CD changer mechanism that exchanges and loads a plurality of compact discs stored in an inserted magazine = 6-; 4 a pickup that reads signals recorded on the compact disc 5; 6;
is a preamplifier that amplifies the signal from this pickup 4, and 7 is given the output signal of the preamplifier 6, which is used for demodulation and RA.
A digital signal processing circuit that performs predetermined processing such as deinterleaving and error correction using M8; 9 is a DAC audio circuit that D/A converts the data processed by the digital signal processing circuit 7 and outputs it through a filter; 11 is a servo circuit that applies a focus servo, a tracking servo, and a rotation servo; 12 is a spindle motor;
13 is a display section; 13 is a key input section; 15 is a system control microcomputer that controls each section in the same manner as in the past and also functions as a comparison means and control means, which will be described later;
6 is program information, message information, and TO described below.
This is a memory as a storage means in which C information and the like are stored.

In the compact disc player l of this embodiment, after program information for program selection is input sequentially in advance from the key input unit 13 for each magazine 2I to 2B, when a desired magazine is inserted for playback, In order to automatically call up the program information corresponding to the inserted magazine and select a program, the following configuration is adopted.

That is, the compact disc player l of this embodiment
Now, when program information and message information are inputted sequentially in advance from the key input unit 13 for each magazine 2□ to 28 in the same way as in the conventional example, each corresponding magazine 2. ~28
When inserted into the CD changer mechanism 3, a TOC (Table Of
Contents) information is read out and sequentially stored in the memory 16 along with program information and the like.

Therefore, in the conventional example, the memory 16 stores program information and message information input for each magazine 2I-28, whereas in this embodiment, the memory 16 stores each magazine 21-28. Program information, message information and each magazine 2 entered every 28
The TOC information of the first compact disc No. 1 to No. 28 is stored in advance.

When the desired magazine to be played is inserted, the T and OC information of the first compact disc of this desired magazine is read and stored in the memory 16 for each magazine 2.
The TOC information is sequentially compared with the TOC information stored in advance for each of I to 2B, and if there is matching TOC information, that TOC
The program information and message information stored together with the information are read out and displayed on the display unit 12, and
Program music selection is performed based on this program information.

That is, in this embodiment, each magazine 2. The TOC information of the first compact disc of ~28 is stored in advance together with program information as information for identifying the magazine, and when the desired magazine is inserted for playback, this inserted Based on the TOC information of the magazine, find a matching T from the TOC information stored in advance.
The OC information is searched, and the program information stored together with the matching TOC information is assumed to be the program information of the inserted desired magazine, and the program selection is performed.

Therefore, when inputting program information for each magazine 21 to 28, the system control microcomputer 5 reads the TOC information of the first compact disc of each magazine 2I to 28 to be inserted and writes it to the memory 16. In addition, when a desired magazine is inserted for playback, a comparison means for sequentially comparing the TOC information of the first compact disc of the desired magazine with the TOC information stored in the memory 16, and this comparison. Based on the output of the means, when the two pieces of TOC information match, the control means reads out the program information stored in the memory I6 together with the matched TOC information and selects a program.

Next, the operation will be explained based on flowchart 1 in FIGS. 2 and 3.

FIG. 2 is a flowchart for storing program information etc. in advance for each magazine 21 to 28. In step n1, magazine 2. CI) is inserted into the changer mechanism section 3, and the process moves to step n2.In step n2, the inserted magazine 2. The TOC information of the first compact disc is read out and the process moves to step n3. In step n3, the inserted magazine 2. The program information and message information corresponding to are input, and the process moves to step n4. At step n4 (J), the read TOC information and the program information from the key input unit 13 are stored together in the memory I6, and the process ends. This series of processing is sequentially performed for each magazine 2. to 211.

FIG. 3 is a flowchart for reproducing a desired magazine. In step n1, the desired magazine to be reproduced is inserted into the CD encoder 1-mechanism section 3, and the process moves to step n2. In step n2, the first compact disc of the inserted desired magazine is inserted.
The OC information is read out and the process moves to step n3. step n
3, 'roc' previously stored in the memory 16
The information is compared with the TOC information read in step n2, and the process moves to step n4, where it is determined whether or not there is the same TOC information. If there is the same TOC information, the process proceeds to step n.
5, the program information and message information stored together with the same rOC information are read out from the memory 16 and displayed on the display section 12, and the program selection is performed in accordance with this program information. Further, if it is determined in step n4 that there is no identical TOC information, the process moves to step n6 and no operation is performed.

<Effects of the Invention> According to the present invention, when inputting program information for each magazine, each magazine can be individually handled by inserting each corresponding magazine in sequence. program information to be used, and the T of the compact disc in a predetermined position of each magazine as identification information for identifying the magazine.
The OC information is stored together with the storage means, and when a desired magazine is inserted during playback, the I" of this desired magazine is stored together with the OC information.
The same 'roc information as the OC information is searched, and when there is a match, the program information corresponding to the TOC information is read out from the storage means and the program selection is performed. Thus, there is no need for the user to call up and confirm the program information of the magazine to be reproduced.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of one embodiment of the present invention, FIG. 2 and FIG.
The figure shows flowchart 1 for explaining the operation. -1-. 2, to 28 Magazine, I5 System controller microcomputer (comparison means, control means), 16 Memory (storage means).

Claims (1)

[Claims] (1) Program information for program selection is input in advance in sequence for each of a plurality of magazines each containing a plurality of compact discs, and a desired magazine to be played is selected from among the plurality of magazines. A magazine-type compact disc player that selects a program based on the program information by inserting the program information into the magazine, wherein the program information for each magazine is inserted into a predetermined position of each magazine. storage means in which the TOC information of the compact disc stored in the magazine is sequentially stored together with the program information input for each magazine; and the TOC of the compact disc stored in the predetermined position of the desired magazine inserted for playback a comparison means for sequentially comparing the information and the TOC information stored in the storage means; and based on the output of the comparison means, when both pieces of TOC information match, the TOC information is stored in the storage means together with the matched TOC information. 1. A magazine-type compact disc player, comprising: a control means for reading program information stored in the magazine and selecting program music.