JPS6243883A - Program selecting device for dad player - Google Patents

Abstract

PURPOSE:To prevent a fault that the number of cassettes is short at recording and the recording is not finished by adding a blank time to a required playing time of each music selected to calculate the entire required playing accumulated time and displaying the result. CONSTITUTION:A digital output signal representing all music numbers and respective music start times stored in a DAD 7 is stored in a RAM 12 via a servo circuit 8, a signal processing circuit 9 and a data read circuit 11, the playing sequence of musics is inputted by an input key 17 and stored in a RAM 18. Each playing time of music selected by an operation means 5 is calculated, a prescribed blank time stored in a ROM 15 is added and the entire required playing accumulated time is displayed on a display section 23. When a music selection signal is inputted from the RAM 18 to a music selection control circuit 14, a disc motor 24 is driven via the servo circuit 8 to start playing and the playing signal is inputted to a cassette recorder for recording via the servo circuit 8, the signal processing circuit 9 and a DAC 10.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a digital audio disc (hereinafter referred to as DAr).
The present invention relates to a program selection device for an AD player that reproduces T).

<Prior Art> Generally, when a plurality of songs recorded and stored in a DAD are recorded on a cassette recorder by playing a program, a DAD player equipped with a program selection device is used. This means r) AD to l; in Figure 5 (A), (
As shown in B), this method takes advantage of the fact that the song numbers of all the songs recorded on the DAD and the start time of each song are recorded together in the first part of the program storage section. It is. For more information, please refer to DAD.
)□ Set it on the DAD player for recording on the first page.
: First, the song numbers of all the songs recorded on the DAD and the start time of each song are temporarily stored in a storage circuit in the program music selection device. Next, the cumulative time required for multiple songs selected by the program using the input key.
was calculated by a microprocessor (MPIJ) in the device, this cumulative time was displayed on the display, and a corresponding cassette recorder was prepared and recording was performed.

<Problem to be solved by the invention>
There is no fixed blank time between the two songs. Therefore, when recording a DAD program selection performance on a cassette recorder, as shown in FIG. 6(A), there is no blank time between songs.
It will be done continuously. As a result, when playing back songs recorded on this cassette recorder, there was a serious problem in that it was not possible to locate the beginning of any song. This is because recent cassette recorders are recording to the recorder.
This is because if the recording is made with a certain blank time between each song, it is possible to find the beginning of any song when playing back the song.

Therefore, in order to solve the above-mentioned problems, a method has been adopted in which a certain -J skip time is stored in the memory section of the I-Drum music selection device.
) When recording program selection performance of A and D on a cassette recorder, as shown in Figure 6 (11), a certain -1 rank time will be provided between the recorded songs. , Recorded: When playing back a song, you can select the beginning of the song at any time. However, the total preset blank time (see Figure 6) (assuming a constant blank time of 4 seconds per recording, 16 seconds if 5 songs have been recorded) is the required performance time (Figure 6). (The performance time of the 5 songs in 1()) was not accumulated, so when recording, the Hff tape of the cassette recorder ran out of time for the total recording time mentioned above, so it was recorded in r) Ar). There was a problem in that it was not possible to record the memorized Zupete song with the R sound.

<Means for Solving the Problems> The present invention has been made to solve the problems as described above. In a reproducing device for a recording medium on which songs are recorded collectively and subsequently recorded, an information storage means for storing the song number and start time recorded on the recording medium; a music selection means for specifying the performance order of the songs recorded on a recording medium; a blank time control means for leaving a certain blank time between songs when selecting music by the music selection means; An operation operation that receives output signals from the storage means, the blank time control means, and the music selection means and totals the required performance time of the music selected by the music selection means and the constant blank time when selecting the music. The present invention is characterized in that it is provided with display means to which the output signal of the arithmetic means is input and for displaying the cumulative time accumulated by the arithmetic means.

With the above configuration, when DAI) is set in the DAD goley for recording to a cassette recorder, DAT)
The last song number and the start time of each song that are stored in the information storage means are first inputted into the information storage means. Next, the playing order of the songs is input and specified by the song selection means, and when this specified output No. 44 is input to the blank time control circuit, a certain blank time is set between the specified 13 songs. It will be done. Next, the output signal of the start time of each song stored at a glance in the information storage means is input to the calculation means, and at the same time, the output from the blank time control circuit is also input to the calculation means. Then, this calculation means calculates the required performance time of each song according to the order of the selected songs, and furthermore, a certain blank time is added to this to calculate the total required performance time, which is displayed on the display means. be done.

<Examples> Hereinafter, the present invention will be explained in detail based on the embodiments shown in FIGS. 1 to 5.

FIG. 1 is a block diagram showing an overview of the player's program song selection device 1, where reference numeral 2 indicates the song numbers of all songs recorded in the DAD 7 as shown in FIG. 2 and the start of each song. Information storage means for storing time, code 3 is D
A music selection means for specifying the performance order of the songs recorded in A D 7; reference numeral 4 is a one-rank time for leaving a certain blank time between songs when selecting music with this music selection means 3; A control means, number 5 is a calculation means into which signals from the information storage section 2, blank time control means 4, and music selection means 3 are input, and which totals the required calculation time of a selected song and a certain blank time. , and reference numeral 6 indicates means for displaying the total required performance time accumulated by the calculation means.

The information storage means 2 has a data reading circuit 11 and a RAM 12, and the music selection means 3 has an input key 17, a key discrimination circuit 16, and a R
AM18, the blank time control means 4 includes a blank time count control circuit 13, a music selection control circuit]4, and a ROM1.
5, and display 1 row 6 is RAM+9 and RAM20
, a changeover switch 21 , a display drive circuit 22 , and a display section 23 . When recording the music recorded on r)/D7 to a cassette recorder, the gologram music selection is performed as follows.

First, the r) AD7 is connected to the IIAr) player, and then the digital output signals representing the song numbers of the songs recorded on the r) AI7 and the start time of each song are sent to the servo circuit 8, Data reading circuit 1 via signal processing circuit 9]
Data bar input to and read here and RAM
12 and is input and stored as shown in FIG. When this input storage is completed, a signal is sent from the data reading circuit 11 to the servo circuit 8 and the signal processing circuit 9, and these circuits 8 and 9 are brought to a halt state.

Next, input the playing order of the songs using the input key 17.
A signal indicating the playing order is inputted and stored in the RAM 18 via the key discrimination circuit 16 as shown in FIG. The output signal from this RAM 18 is input to the music selection control circuit 14 and the calculation means 5.

The ROM 15 stores a predetermined time (
For example, 4 seconds) is stored, and the signal is sent to the calculation means 5.

Further, the output signal from the RAM 12 is also inputted to the calculation means 5. Then, the calculation means 5 calculates the entire required cumulative performance time according to the algorithm shown in FIG. 4 (T is the required cumulative performance time, and Tr represents a constant blank time). That is, first, the performance time of each of the selected songs is calculated, and a certain blank time is added to this to calculate the total required performance time. This calculation result is input and stored in the RAM 19 and displayed on the display section 23 via the changeover switch 21 and display drive circuit 22.

The song selection control circuit 14 is constantly searching for the beginning of the song to be played (the starting point of the song), and when an output signal for song selection from the RAM 18 is input, it sends a signal to the servo circuit 8 to drive the disk motor 24. The DAD 7 is driven to start playing the music recorded on the DAD 7. This performance signal is converted into an analog signal via a servo circuit 8, a signal processing circuit 9, and a DACIO, and is input to a cassette recorder for recording. When the performance of the first song is finished, a signal is sent from the data reading circuit 11 to the servo circuit 8 to stop driving the disk motor 24 and pickup 25. At the same time, the blank time count control circuit 13 and music selection control circuit 14 also receive the data reading surface #! 11
A signal is sent from 1. When the music selection control circuit 14 receives a signal from the data reading circuit 11, the music selection control circuit 14 immediately reads the data from the RAM 1.
Next song data sent from 8 and data reading surface W811
Based on the data from the servo circuit 8, No. 48 is sent to the servo circuit 8 to select a song. Blank time count control circuit 1
Immediately after the signal from the data reading circuit 11 is input, the circuit 3 starts a certain blank period l-1, and sends a signal to the music selection control circuit 14 at the same time as the count ends. Then, the music selection control circuit □□ 14 that receives this signal sends a signal to servo #I8 to start the next performance.
1□ Let.
: In the embodiment of the present invention, the display means 6 has an R
AM20 is provided. This song is selected i [1i
l fl ga □, yaill,. [tll(7)□,□,□
The signal from the RAM 20. Selector switch 21. Table -]〇- is input to the display unit 23 via the display drive circuit 22. The playing time will be displayed.

<Effects of the Invention> With the configuration as described above, the present invention can reduce the required cumulative playing time,
The total required playing time is greater than the actual playing time. Therefore, when recording a song recorded on T)AI) onto a cassette recorder, the accident of running out of cassette tape and not being able to record is completely prevented.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an overview of the program selection device of the DAr) player of the present invention, FIG. 2 is a diagram of the memory contents of the RAM, FIG. 3 is a diagram of the memory contents of the RAM, and FIG. 4 is a diagram of the calculation means 5
Figure 5 (A) is an algorithm showing the calculation method in DA
r), FIG. 5(B) is an explanatory diagram showing information stored in the DAD, and FIGS. 6(A) and (B) are diagrams showing the state of recording on the cassette tape.

Claims (1)

[Claims] A reproducing device for a recording medium in which all the song numbers of the recorded songs and the start time of each song are recorded together in the first part, and the songs are subsequently recorded. Information storage means for recording song numbers and start times recorded on the recording medium; music selection means for specifying the order in which the songs recorded on the recording medium are to be played; and the music selection means. output signals from the storage means, the blank time control means, and the music selection means are inputted to the blank time control means for leaving a certain blank time between songs when selecting songs; a calculating means for accumulating the required performance time of the music selected by the means and a certain blank time when selecting the music; and an output signal of the calculating means is inputted, and the total time accumulated by the calculating means is provided. A program selection device for a DAD player, characterized in that it is provided with display means for displaying.