JPH0685276B2 - Music selection device for disc player - Google Patents

Description

The present invention relates to a music selection device in a CD (compact disc) player or the like, and in particular, to enable quick acceptance of a music selection operation so as to be compatible with a CD changer or the like. The present invention relates to a music selection device in a disc player.

[Conventional technology]

Generally, in a car-mounted or home-use CD player, when performing a song selection operation (single song selection or memory selection of multiple songs), the table of contents data of the loaded disc is first.
The TOC (Table of Contents) data is read, the first song number (A0), the last song number (A1), and the time code of each song number is read. When this reading is completed, the song selection operation is performed. Is accepted. Then, based on the time code of the music recorded in the TOC code, a search is performed and then the reproduction operation is started. In this way, in CD playback, it is possible to move to search and playback only after the TOC data is read, so before the TOC data is read even while the disc is loaded or when loaded.
The music selection operation cannot be accepted.

[Problems to be Solved by the Invention]

In the case of a player in which only one CD is loaded as the CD loading method, it takes a short time until the TOC data is read after the disc is loaded, so the time until the music selection operation can be accepted is short. Therefore, there is no practical inconvenience.

However, in the case of a CD player equipped with a CD changer that has recently been put into practical use, it takes time to read the TOC data of a new CD when the disc is being replaced, and the waiting time is extremely long. become longer. Therefore, it is very inconvenient if the music selection operation is not accepted during such a waiting time.

The present invention is to solve the above-mentioned conventional problems, and while reading the table-of-contents data of the loaded disc,
An object of the present invention is to provide a music selection device in a disc player which can accept a music selection operation and can always perform a reproducing operation even if a music number is not found in a loaded disc.

[Means for Solving the Problems]

The music selection device in the disc player according to the present invention accepts and stores the operation for designating the music number before the index data recorded on the disc is read, and already accepts it after the index data recorded on the disc is read. If a transition is made to a play state in which the music number of the music number stored and stored is reproduced and the music number that has been received and stored is not recorded in the disk to be reproduced, either one recorded in the disk The control unit for designating the reproduction of the song is provided.

[Action]

In the above means, when the music selection operation is performed before the loading of the disc and the reading of the table of contents data such as TOC, the music selection operation is accepted and the selected music is stored. After the loading of the disc is completed and the table of contents data is read, the start position of the music is searched according to the music number that has been received and stored, and the reproducing operation is started. If there is no song number selected by the music selection operation in the loaded disc, for example, if the selected song is the 10th and only 6 songs are recorded in the loaded disc, then, for example, Any one of the songs such as the first song or the last song is played back. In this way, by allowing the music selection operation to be accepted before the table of contents data of the disc is read, it is possible to eliminate the waiting time during which the music selection cannot be accepted in a disc player equipped with a CD changer. become.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a layout view of members showing a playback and control device of a CD player equipped with a CD changer, and FIGS. 2 and 3 are flowcharts showing control of a music selection operation.

In FIG. 1, reference numeral 1 is a turntable and reference numeral 2 is a pickup. This CD player is equipped with a CD changer, and is equipped with a cartridge in which a plurality of discs D are stored. Then, one of the plurality of discs in the cartridge is selected and pulled out, this is set on the turntable 1 and clamped, and the pickup 2 performs a reproducing operation.

In this player, a control unit 3 including a macro processor is provided. The signal read by the pickup 2 is sent to the reproducing unit 4 and processed by the control unit 3. The pickup driving unit 5 for driving the pickup and the disc selecting unit 6 for operating the CD changer for selecting the disc are also controlled by the control unit 3. Further, reference numeral 7 is an operation unit, and a music selection operation or the like is performed by this operation unit 7 and input to the control unit 3.

Next, the control of the music selection operation in the CD player will be described with reference to the flowcharts shown in FIGS.

FIG. 2 shows a music selection operation performed by operating the operation unit 7, and FIG. 3 shows a reproduction operation after the disc is loaded. Both of these operations are supported by software in the control unit 3.

First, a case will be described in which the music number is selected by the operation unit 7 before the disc D is mounted on the turntable and the TOC data is read.

The selection of the music number is performed by operating the music number selection key in the operation unit 7 to advance or retract (up / down operation) or by directly inputting the number of the music number using the ten keys (direct operation) ( Step (a)). The control unit 3 determines whether or not the TOC data is read depending on the presence / absence of the input from the reproduction unit 4, and when it is determined in step (b) that the TOC data is not yet read, the song is selected. The song number is accepted (step (c)) and stored in the control unit 3 as it is. However, at this time, in step (d), it is judged whether or not the music number selected by, for example, the ten-key pad is the range of (01) to (99) which is the maximum number of recorded music of the CD, and it is within this range. In that case, the song number is accepted and stored as it is, but when the song number selected by the numeric keypad is outside the range of (01) to (99),
The number of the (01) th song (or the (99) th song) is accepted and stored. Or, in the case of Up / down operation, when (99) is exceeded, (01) is automatically specified,
When it is returned from (01), it is automatically specified as (99).

When the loading of the disk D is completed and the TOC data is read (step (f)) after the above-described music selection operation is performed, the control unit 3 starts the music selection operation. In step (g), it is determined whether the song numbers received and stored in step (c) are within the first song number (A0) and the last song number (A1) in the TOC data. It
When the received and stored music number is in the music number in the TOC data, the process proceeds to step (h), the search operation is performed and the reproducing operation is performed. Here, if the song number accepted and stored in step (c) does not exist in the TOC data, that is, if the song number is not recorded in the loaded disc, for example, it was accepted and stored. If the song number is (10) and only 6 songs are recorded on the loaded disc D,
In step (i), the first music piece (or the last music piece, for example, the sixth music piece) is designated, and in step (h), the designated music piece is searched and reproduced. That is, even if there is no selected song, the reproduction operation is always performed.

Next, when the music selection operation is performed by the operation unit 7, if the disc D is already loaded and the reading of the TOC data is completed, the process proceeds from step (b) to step (j). At this time, when the music selection operation is performed, it is determined whether or not the selected music number is the music number in the TOC data (step (j)). The selected song number is TO
If it is within the range of the C data, the tune number is immediately accepted and stored, and the search and reproduction operations are performed in step (h). In step (j), if the selected song number is not in the TOC data, the first song (A0) (or the last song (A1)) is selected as the selected song in step (k). Accepted and stored. Then, in step (h), the first music piece (or the last music piece) is searched and reproduced.

In the above embodiment, when the selected song number is not recorded on the disc, the first song or the last song is played, but the song played at this time is not necessarily the first song or the last song. It may be the second or third song from the beginning.

Further, in the embodiment shown in the drawings, a disc player equipped with a CD changer is described, but the present invention can be implemented with a disc player equipped with no CD changer and loaded with one disc.

〔effect〕

As described above, according to the present invention, since the music selection operation can be performed before the disc is loaded and the table of contents data is read, the music selection operation can be performed even during the waiting time until the reading of the table of contents data is completed. , Convenient operation. Particularly, in a disc player equipped with a CD changer, a music selection operation can be performed even during the disc exchange operation, and it is not necessary to provide a waiting time. Even if a song number that is not recorded on the loaded disc is selected, the first song, the last song, or another song is always played, so even if you make a mistake in the song selection operation, control operation Will never stop.

[Brief description of drawings]

FIG. 1 is a member layout diagram showing an outline of the structure of a CD player, and FIGS. 2 and 3 are flowcharts showing a music selection operation. D ... Disc, 1 ... Turntable, 2 ... Pickup, 3 ... Control section.

Claims (1)

[Claims] 1. A procedure for designating a music number is accepted and stored before the table-of-contents data recorded on the disc is read, and the table-of-contents data recorded on the disc has already been received and stored. If a transition is made to the play state in which the song of the selected song number is played and the received and stored song number is not recorded in the disc to be played, playback of any of the songs recorded in the disc is performed. A music selection device in a disc player including a control unit for designating