JPH05282844A - Optical disk reproducer - Google Patents

Abstract

PURPOSE:To select any tunes recorded on a disk arbitrarily and edit so as to tape-record selected tunes to the recordable time of a magnetic tape. CONSTITUTION:The information read in an optical pickup section 1 is data- processed in an information signal processing section 2. The sub-code data out of the data is stored in a specified memory section of a system control microcomputer 4. Based on stored data, the system control microcomputer 4 edits a tune arrangement by tune data selected arbitrarily by a final control element 6 and time selected by a record designation section 7 in such a fashion that a total regeneration time of extracted tunes out of the tune data may be put in the recordable time of a magnetic tape. In addition, the microcomputer 4 computes recordable remaining time based on the tune arrangement and outputs the arrangement as a display control signal to a play portion 9 and a return portion 10 of the magnetic tape of the display section, an arrangement number 11, recordable remaining time and a music calender (tune number) 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disc reproducing apparatus having an editing function.

[0002]

2. Description of the Related Art An optical disc has a T.S. O. C. It is known that the optical disc reproducing apparatus uses this information to select only a desired song and edit or reproduce the edited song because it has the information.

Another known function is to edit the selected music in accordance with the recording time of the magnetic tape when the music recorded on the optical disk is sequentially reproduced and recorded on the magnetic tape.

[0004]

In the prior art, since all the songs recorded on the optical disc are to be edited, the optical disc is selected from the recordable time to record on the magnetic tape. There are problems that the total playing time of the music is too long, and the edited result does not meet the user's wishes due to the relationship between the music length and the music order.

Therefore, according to the present invention, editing is performed so that recording can be performed in accordance with the recordable time of the magnetic tape, and when the total reproduction time of the selected song exceeds the recordable time of the magnetic tape, the song is recorded within the recordable time. It is a technical task to edit the combination of and to display the remaining recordable time of the magnetic tape according to the combination of songs.

[0006]

DISCLOSURE OF THE INVENTION The present invention comprises an operation means for selecting an arbitrary music piece from a plurality of music pieces recorded on a disc, a recording designation means for setting a recordable time of a magnetic tape, and a T.D. O. C. When storing the information, calculating the total playing time of the song selected by the operating means based on the stored information, and the calculated total playing time exceeds the recordable time set by the recording designating means, Computation means for editing the combination of songs within the recordable time and computing the remaining recordable time of the magnetic tape, and a display for displaying the combination of the songs and the remaining recordable time of the magnetic tape according to the result of the computation. And means are provided.

[0007]

Since the present invention is configured as described above, the total playing time of an arbitrarily selected song is automatically judged based on the recordable time of the magnetic tape, and the total playing time of the selected song is magnetic. When the recordable time of the tape is exceeded, the combination of songs is edited within the recordable time, and the remaining recordable time of the magnetic tape is displayed according to the combination of songs, and the recordable time of the magnetic tape is enabled. Being available allows the edited results to meet the wishes of the user.

[0008]

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

In FIG. 1, reference numeral 1 denotes a T.S. recorded on a disc (not shown). O. C. The optical pickup unit 2 for reading information is a T.S.P. unit read by the optical pickup unit 1. O. C. An information signal processing unit that inputs digital data of information and audio signals and processes the data. O. C.
The sub-code data such as the music number of each music and the absolute time of reproduction based on the information, and the digital data of the audio signal are EFM demodulated by the information signal processing unit, EFM demodulation of the RF signal, detection and correction of error data, and rotation of the disc. Servo control data processing such as unevenness correction is performed.

Reference numeral 3 is a voice output process for converting the voice signal data output from the information signal processing unit 2 into a voice signal and outputting a voice signal in response to a recording control signal input from a system control microcomputer 4 described later. It is a department.

Reference numeral 4 denotes a system control microcomputer which sends servo control signals such as a tracking signal and a focus servo signal to the servo control unit 5 based on the subcode data and the servo control data processed by the information signal processing unit 2. Optimal combination of music to be output and recorded on the magnetic tape according to the music data of the music to be recorded on the magnetic tape input from the operation unit 6 and the time data of the recordable time of the magnetic tape input from the recording specifying unit 7. Edit.
Then, the recording control signal is output to the audio output processing unit 3 according to the combination of the edited tunes, and the display control signal described later is output to the display unit 8.

Further, the system control microcomputer 4 has a memory (not shown) for storing the subcode data therein, and the music data and the time are stored based on the subcode data stored in the memory. It has a memory (not shown) that stores the combination of the pieces of music edited and edited and the reproduction time of the piece of music.

Then, the system control microcomputer 4 calculates a plurality of songs to be recorded based on the song data and the time data and a total playing time of the songs, and when the calculated total playing time exceeds the time data. , A recordable time is calculated for each of the reciprocating tracks of the magnetic tape based on the time data, and the operation section 6 is calculated within the calculated recordable time.
It has a function of extracting a music piece to be combined from the music pieces selected in step 1, and calculating the remaining recordable time of the magnetic tape based on the reproduction time of the extracted music piece. Then, the calculation result is held for a predetermined period until a dubbing button (not shown) provided on the operation unit 6 is input, and then sequentially edited for each of the reciprocating tracks of the magnetic tape.

An operation unit 6 has a music selection button for selecting an arbitrary music from a plurality of music recorded on the disc and recording it on a magnetic tape, and is displayed on a display unit 8 described later. The user has a dubbing button for instructing recording on a magnetic tape by looking at the combination number, remaining recordable time, etc., and song data is created by the dubbing button input and the song selection button input, and the song data is Output to the system control microcomputer 4.

Reference numeral 7 denotes a recording designation section, which has a recording time designation button for setting a recordable time in accordance with the type of magnetic tape to be recorded, and time data is created by inputting the recording time designation button, The data is output to the system control microcomputer 4.

Reference numeral 8 denotes a display unit, which displays a combination of songs edited based on a display control signal input from the system control microcomputer 4 for a predetermined time. Then, the edited combination of songs is the A side of the magnetic tape cassette, that is, the forward track 9 of the magnetic tape and the B side of the magnetic tape cassette, that is, the backward track 10 of the magnetic tape, the combination number 11 of the song, and the remaining recordable time 12 , And the music calendar 13 indicating the song number of the song specified by the combination number.

Next, the operation of the embodiment according to the present invention will be described with reference to the flowchart of FIG. 2 and the dubbing edit state diagram for the magnetic tape on the display section shown in FIG.

First, before starting the editing operation, the T.S. O. C. Information is system control microcomputer 4
It is assumed that the data is stored in a predetermined memory within the T. O. C. Information subcode data is used.

When a plurality of music selection inputs are made by the music selection button from the operation section 6 so as to execute the editing function, step S1
Then, the music data corresponding to the music selection input (for example, the music number recorded on the disc and the reproduction time of the music) from the subcode data stored in the predetermined memory in the system control microcomputer 4 is used for the system control. It is stored in a memory unit different from the subcode data memory unit in the microcomputer 4.

For example, in step S1, among the 20 pieces of subcode data stored in the memory shown in FIG. 3a, song numbers 1, 4, 5, 8, 9, 9, 10, 13, 14, 1 are assigned.
It is assumed that the song data regarding the playback times of 5 and the respective songs are selected.

Next, in step S2, when there is a setting input of the recordable time corresponding to the type of the magnetic tape length from the recording specifying section 7, the time data is stored in the same manner as the music selection input.

For example, in step S2, it is assumed that the time data of the 30-minute recording cassette tape has been set.

Next, in step S3, the system control microcomputer 4 uses the time data set in step S2 to generate the total reproduction time of the selected music (ie, the total reproduction time of the music selected in step S1). Is calculated, it is determined whether or not the total playback time exceeds the recordable time, and when the total playback time does not exceed the recordable time,
The song data is stored in the memory unit. If the total reproduction time exceeds the recordable time, the process proceeds to step S4.

For example, in step S3, the total reproduction time of the nine songs selected in step S1 is 35 minutes 21 seconds, and since the time data set in step S2 is exceeded, the process proceeds to step S4.

In step S4, the system control microcomputer 4 calculates the recordable time of each reciprocating track of the magnetic tape based on the time data set in step S2, and calculates the outcoming track of the magnetic tape. So that it fits within the available recording time
The song number and the playing time of the song are randomly extracted from the song data.

Then, in step S4, the remaining recordable time in the forward track of the magnetic tape is calculated from the music data of the music pieces of the number group, based on the total reproduction time of the number groups of the extracted music pieces. The combination number of the songs based on the number group, the remaining recordable time, and the song number of the song number group are temporarily stored in the memory part of the system control microcomputer 4, and are also displayed from the system control microcomputer 4 as a display control signal. It is output to the display unit 8.

For example, in step S4, as shown in FIG. 3B, the combination number 1 of the number group of the tunes of the forward track.
The song numbers 1, 4, 5 and 10 are extracted as. And
The remaining recordable time of the combination number 1 is 1 minute 05 seconds.

As shown in FIG. 3c, the display of the display unit 8 in step S4 is such that the forward of the magnetic tape is turned on, the combination number 01 and the remaining recordable time 01.05.
Is displayed numerically, and the music calendar 13 lights up the song numbers 1, 4, 5, and 10.

Next, in step S5, the music data of the music number group extracted for the forward track of the magnetic tape is subtracted from the music data of the music selected in step S1 and the music data after the subtraction is performed. From the song data, the song number and the playing time of the song are randomly extracted so that the recordable time calculated for the return track of the magnetic tape can be accommodated.

Then, in the same manner as in step S4, the remaining recordable time on the backward track of the magnetic tape is calculated from the music data of the music number group of the extracted music number group based on the total reproduction time of the music number group. , The combination number of songs based on the number group, the remaining recordable time, and the song number of the song number group are temporarily stored in the memory unit of the system control microcomputer 4, and the system control microcomputer is used as a display control signal. 4 is output to the display unit 8.

For example, in step S5, as shown in FIG. 3b, the forward track song numbers 1, 4, 5, and 10 extracted in step S4 are subtracted from the 9 songs selected in step S3, and From the 5 songs after subtraction, the song numbers 8, 9, and 13 of the return track indicated by the combination number 1 are selected. The remaining recordable time of the combination number 1 is 1 minute 22 seconds.

As shown in FIG. 3d, the display of the display unit 8 in step S5 is such that the return of the magnetic tape is turned on and the combination number 01 and the remaining recordable time 01.22.
Is displayed numerically, and the music calendar 13 is lit up by the song numbers 8, 9, and 13.

Next, step S6 constitutes a loop consisting of an inquiry step as to whether or not there is a dubbing button input from the operation section 6 and a step of repeating the inquiry step for a predetermined time (t), and during the inquiry period by the loop. If there is a dubbing button input in, the song data of the song number group in each of the reciprocating tracks of the magnetic tape temporarily stored in the memory part of the system control microcomputer 4 in the step S4 and the step S5 is used as a recording control signal. It is output to the voice output processing unit 3.

If there is no dubbing button input after the elapse of a predetermined time (t), the process proceeds to step S4,
The system control microcomputer 4 updates the combination number of the number group of the randomly selected pieces of music, and again, from the piece of music data of the piece of music selected in step S1, the forward track of the magnetic tape with the piece number. The reproduction time of the music is randomly extracted, and thereafter, the processing described in step S4 is performed.

For example, after a predetermined time (t) has passed,
As shown in FIG. 3b, the song combination number is updated to 2, and the song number 4 of the forward track in the combination number 2 is updated.
5, 8, and 10 are extracted, and the remaining recordable time of 1 minute 17 seconds in the number group of the song is calculated. Then, the forward direction of the magnetic tape lights up on the display unit 8, the combination number and the remaining recordable time are displayed numerically, and the music number lights up on the music calendar.

[0036]

As described above, according to the optical disk reproducing apparatus of the present invention, when the music recorded on the disk is reproduced and dubbed on the magnetic tape, the total reproduction time of the selected music is reproduced. It is automatically judged based on the recordable time of the magnetic tape, and when the total playing time of the selected song exceeds the recordable time of the magnetic tape, the combination of songs is edited within the recordable time and the magnetic Since the remaining recordable time of the tape is displayed according to the combination of songs, the recordable time of the magnetic tape can be effectively used, and the edited result will meet the user's wishes,
It is possible to provide a device having a convenient editing function.

[Brief description of drawings]

FIG. 1 is a circuit block diagram showing an embodiment of the present invention.

FIG. 2 is a flowchart showing an embodiment of the present invention.

FIG. 3 is a dubbing edit state diagram of a display unit on a magnetic tape according to an embodiment of the present invention.

[Explanation of symbols]

 4 System control microcomputer 6 Operation part 7 Recording designation part 8 Display part 9 Magnetic tape forward 10 Magnetic tape restoration 11 Combination number 12 Remaining recordable time 13 Music calendar

Claims (2)

[Claims] 1. A function of reading information from an information track recorded on a disc with an optical pickup, editing a song to be played back from this information signal so as to have a designated playback time, and dubbing the edited song onto a magnetic tape. In the optical disc reproducing apparatus having the disc, an operation unit for selecting an arbitrary song from a plurality of songs recorded on the disc, a recording designation unit for setting a recordable time of the magnetic tape, and a T. O. C. When storing the information, calculating the total playing time of the song selected by the operating means based on the stored information, and the calculated total playing time exceeds the recordable time set by the recording designating means,
Computation means for editing the combination of songs within the recordable time and computing the remaining recordable time of the magnetic tape, and a display for displaying the combination of the songs and the remaining recordable time of the magnetic tape according to the result of the computation. An optical disc reproducing apparatus comprising: 2. The operating means according to claim 1, wherein the computing means calculates the recordable time set by the recording specifying means for each of the reciprocating tracks of the magnetic tape, and within the calculated recordable time. An optical disc reproducing apparatus characterized in that a music piece to be combined is extracted from the music pieces selected in step 1, and the remaining recordable time of the magnetic tape is calculated based on the reproduction time of the extracted music pieces.