JP2729218B2 - Optical disc player - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disc reproducing apparatus such as a compact disc player.

2. Description of the Related Art Conventionally, an optical disc player of this type and FIGS.
The configuration was as shown in the figure.

That is, reference numeral 1 denotes a signal detection unit including an optical pickup for reading music information, reproduction time information, and the like recorded on an optical disc (hereinafter, simply referred to as a disc). A signal output unit 3 which converts the signal into a signal and outputs the signal is a control unit which controls the signal detection unit 1 and the signal output unit 2. Part of the control unit is a unit for storing information recorded on the disk on a magnetic tape (hereinafter simply referred to as a tape).
An A / B surface editing operation unit 4 that performs an editing operation on a song that can be reproduced within the recording time of a tape used for recording when recording on
An A / B surface edited music storage unit 5 for sequentially storing the music numbers of the music edited by the arithmetic unit 4 is provided. Reference numeral 6 denotes a display unit for displaying the reproduction time read by the signal detection unit 1, the specified tape length, the remaining time of the editing operation result, and the like via the control unit 3, and 7 instructs the control unit 3 to perform an editing operation operation. , Edit / tape length designation key 7a to specify the tape length used for recording
And the like.

The A / B plane editing operation unit 4 obtains a difference between the start time of one tune and the start time of the next tune based on the start time information of each tune detected by the signal detection unit 1, thereby obtaining the designated tune. One-song playback time calculation unit 8 for calculating the playback time of
A reproduction time adding unit 9 for adding the reproduction time of the designated music obtained by the above to obtain the total reproduction time of a plurality of music;
A tape length data storage unit 10 for preliminarily storing a plurality of tape recording time values as tape length data; a tape length data storage unit 10 for receiving an input of an edit / tape length designation key 7a in accordance with the number of times the key is pressed; , A tape length storage unit 12 for storing the tape length data selected by the tape length specification unit, and a time 1 for storing the data in the tape length storage unit 12. The remaining time is obtained by subtracting the time obtained by the reproduction time adding section 9 from the value of / 2, and the remaining time calculating section 13 for determining the sign of the remaining time and setting the recording / editing music.

And the control as shown in the flowchart of FIG. 6 was performed by the above configuration.

That is, it is determined in step 1 whether or not the edit / tape length designation key 7a has been pressed, and if it has been pressed, the process proceeds to step 2; if not, the process enters a standby state in step 1.
In step 2, the first data stored in the tape length data storage unit 10 is selected, and this data is stored in the tape length storage unit.
Store it in 12. In step 3, it is determined again whether the edit / tape length designation key 7a has been pressed, and if not pressed, the process proceeds to step 4, and if pressed, returns to step 2 to select the second tape length data. Tape length storage
Store it in 12. Thereafter, every time the edit / tape length designation key 7a is pressed, the tape length data is set in the tape length storage unit 12 in the order of third, fourth,. Further, when the tape length data is the last, the first is selected.
In step 4, the playback time of the first music piece recorded on the disk is obtained by the one music playback time calculation section 8.
In step 5, the total reproduction time of a plurality of music pieces is obtained by the reproduction time addition section 9. At first, the reproduction time of the first music piece becomes the total reproduction time. In step 6, the remaining time is obtained by subtracting the time obtained in step 5 from the half of the tape length stored in the tape length storage unit 12 by the remaining time calculation unit 13. In step 7, it is determined whether or not the remaining time obtained in step 6 is smaller than 0. If the remaining time is not smaller than 0, the process proceeds to step 8, and if smaller than 0, up to the music before the added music at this time is set as an edited music in step 9 Move to In step 8, it is determined whether or not the calculation has been completed for all the songs recorded on the disk. If the calculation has been completed, the process proceeds to step 9 until the last song has been edited, and if not, the process returns to step 4. The playback time of one song of the next song is obtained. That is, at this time, the reproduction time of the second music is obtained, and in step 5, the reproduction times of the first music and the second music are added. Therefore, in step 4 to step 8, until the remaining time is less than 0 or all the songs are completed, one song is added one by one in the order recorded on the disk, and it is possible to reproduce the song without interruption in the middle of the song in one-sided tape time. Is calculated. In step 9, it is determined whether or not the operation performed so far is on the side A or B of the tape.
If it is the B side, the process proceeds to step 11. In step 10, the song numbers calculated and calculated are stored in the A / B-side edited song storage unit 5 as A-side edited songs. In step 11, as in step 10, B
The edited song is stored in the A / B-edited song storage unit 5 as a face-edited song, and the editing operation ends.

However, in the above-described conventional configuration, when an attempt is made to select a tape that has the shortest remaining time from among many types of tape lengths, when a certain tape length is specified, the editing operation is performed. The remaining time to be displayed is stored, the stored remaining time is compared with the remaining time displayed when the next tape length is specified, and the smaller remaining time and the tape length are stored. A very tedious process of comparing with the long one was needed.

The present invention has been made in order to solve such a conventional problem, by simply selecting an editing operation, storing and comparing the remaining time when editing with each tape length, selecting an optimum tape length, It is an object of the present invention to provide an optical disc reproducing device capable of displaying.

Means for Solving the Problems In order to achieve the above object, the present invention provides a one-song reproduction time calculation unit for obtaining the reproduction time of one tune based on each start time information recorded on a disc, A playback time adder for calculating the total playback time of a plurality of songs by adding the playback times of the designated songs, and a tape length data storage for storing a plurality of recording time values of the magnetic tape as tape length data in advance. Unit, a tape length storage unit for storing a tape length selected from data stored in the storage unit, and a half of the time stored in the tape length storage unit.
The remaining time is obtained by subtracting the time obtained by the reproduction time adding section from the remaining time, determining whether the remaining time is positive or negative, and setting the recording / editing tune, and the remaining time obtained by the remaining time calculating section. The remaining time storage unit that stores the tape length at that time, and the tape length that sets the tape length data in the tape length storage unit in order to perform editing operations on all the data stored in the tape length data storage unit Setting means for comparing the remaining time obtained as a result of the editing operation for a certain tape length with the remaining time obtained for another tape length stored in the remaining time storage unit to determine the smaller remaining time and the tape length A comparing unit that stores the tape length stored in the remaining time storage unit as an optimum tape length in the tape length storage unit after storing the data in the remaining time storage unit and further compares all the tape length data; It is obtained and a display unit for displaying data.

Operation The operation of the present invention by the above means is as follows. That is, when the editing operation is designated, the editing operation is performed for the first tape length of the previously stored tape length data, and the remaining time at this time is stored. Next, the second tape length is set and an editing operation is performed.The remaining time at this time is compared with the stored remaining time for the first tape length, and the smaller remaining time and the tape length are calculated. Remember. Similarly, the stored tape lengths are set in order to perform the editing operation,
By displaying the tape length with the minimum remaining time obtained by repeating the remaining time comparison, the optimum tape length can be selected very easily.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings.

Reference numerals 21 and 22 denote a signal detection unit and a signal output unit having the same functions as those of the conventional example, and 23 denotes a control unit that controls the signal detection unit 21 and the signal output unit 22. When recording, the editing operation of the song that can be recorded at the recording time of the tape used for recording, the A / B side editing operation unit 24 that performs the selection operation of the optimum tape length, and the song edited by this operation unit 24 A / B-side edited song storage unit 25 that stores song numbers in order
And Reference numerals 26 and 27 denote a display unit and a key switch unit having the same functions as those of the conventional example. The key switch unit 27 has an editing tape length designation key 27a.

The A / B side editing / calculating section 24 includes a one-song reproducing time calculating section 28, a reproducing time adding section 29, a tape length data storing section 30, a tape length specifying means 31, and a tape length storing section 32 having the same functions as the conventional example.
And a remaining time calculating unit 33; a tape length setting unit 35 for sequentially setting data stored in the tape length data storage unit 30 when an editing operation is designated; and a certain tape. When the editing operation on the length is completed, the remaining time is stored in the remaining time storage unit 34 for storing the tape length and the remaining time that become shorter when the remaining time is shorter, and the editing operation result and the remaining time storage unit 34 for one tape length are stored. And comparing means 36 for comparing the remaining time.

Regarding the embodiment of the present invention configured as described above,
The operation will be described with reference to the flowchart of FIG.

In the figure, step 1 is an edit / tape length designation key 27
It is determined whether or not a has been pressed, and if it has been pressed, the process proceeds to step 2; if not, the process enters a standby state in step 1. In step 2, the data stored in the tape length data storage unit 30 is set in the tape length storage unit 32 in order from the first by the tape length setting unit 35. Steps 3 to 10 perform an editing operation on the tape length set in step 2 by the same operation as steps 4 to 11 of the conventional example. In step 11, the comparison means 36 compares the total remaining time of the side A and the side B obtained by the editing operation with the remaining time stored in the remaining time storage unit 34. In step 12, it is determined whether or not the remaining time of the calculation result is smaller than the remaining storage time. In step 13, the tape length storage unit
A / about the tape length stored in 32 and the tape length
The remaining time on the B side is stored in the remaining time storage unit 34. In step 14, it is determined whether or not the editing operation has been completed for all the data stored in the tape length data storage unit 30. If it has been completed, the process proceeds to step 15; The next tape length data is set in the tape length storage unit 32 by the length setting means. In step 15, the tape length stored in the remaining time storage unit 34 at this time is stored in the tape length storage unit 32, and is displayed on the display unit 26 as the optimum tape length. In step 16, edit / tape length designation key again
It is determined whether or not 27a is pressed, and if pressed, the process proceeds to step 17, and if not, the editing operation ends. In step 17, similarly to the conventional example, after the operator selects the tape length by the tape length designating means, the editing operation is performed to complete the editing.

As described above, according to the present embodiment, the tape length data previously stored by the tape length setting means 35 is sequentially set in the tape length storage unit 32 by simply designating the editing operation, and the editing operation is performed. By repeatedly comparing the remaining time for each of the obtained tape lengths by the comparing means, the tape length with the minimum remaining time can be calculated, and thus the calculated tape length can be displayed.

In this embodiment, the remaining time to be compared is the sum of the remaining time on the A side and the B side. However, when the tape length is long and editing is completed on only one side, the optimum tape length is determined by comparing the remaining time on one side. A calculation method is also conceivable.

EFFECT OF THE INVENTION As is clear from the above embodiments, the present invention is a one-song reproduction time calculation unit for obtaining the reproduction time of one tune based on the start time information of each tune recorded on the disk, and the calculation unit for this. A playback time adder for calculating the total playback time of a plurality of songs by adding the playback times of the designated songs, and a tape length data storage for storing a plurality of recording time values of the magnetically isolated tape in advance as tape length data Unit, a tape length storage unit for storing a tape length selected from data stored in the storage unit, and a reproduction time addition unit obtained from 1/2 of the time stored in the tape length storage unit. The remaining time is obtained by subtracting the remaining time, and the remaining time obtained by the remaining time calculator and the tape length at that time are stored. Remaining time storage and tape length Tape length setting means for sequentially setting tape length data in the tape length storage unit in order to perform an editing operation on all of the data stored in the data storage unit;
The remaining time obtained as a result of editing operation for a certain tape length is compared with the remaining time obtained for another tape length stored in the remaining time storage unit, and the smaller remaining time and the tape length are stored in the remaining time storage unit. And a comparison unit for storing the tape length stored in the remaining time storage unit as the optimum tape length in the tape length storage unit after comparing all the tape length data, and a display unit for displaying the tape length data. Calculates the tape length that minimizes the remaining time when recording from the previously stored tape length data just by setting the editing operation, and calculates the result as the optimum tape length. Can be displayed on the display unit.

[Brief description of the drawings]

FIG. 1 is a block diagram of an optical disc reproducing apparatus according to an embodiment of the present invention, FIG. 2 is a block diagram of the main part, FIG. 3 is a flowchart for calculating an optimum tape length of the apparatus, and FIG. FIG. 5 is a block diagram of the conventional example, FIG. 5 is a block diagram of the main part, and FIG. 26 display unit, 28 song playback time calculation unit, 29 playback time addition unit, 30 tape length data storage unit, 32 tape length storage unit, 33 remaining time calculation unit, 34 ... Remaining time storage unit, 35... Tape length setting means, 36.

Claims (1)

(57) [Claims] 1. A one-song reproduction time calculation unit for obtaining a reproduction time of one tune based on start time information of each tune recorded on a disk, and a reproduction time of a designated tune determined by the calculation unit is added. And a tape length data storage unit that previously stores a plurality of recording time values of the magnetic tape as tape length data, and a storage unit that stores a plurality of recording time values of the magnetic tape as tape length data. The tape length storage unit that stores the tape length selected from the data, and the remaining time obtained by subtracting the time obtained by the playback time addition unit from half of the time stored in the tape length storage unit, A remaining time calculation unit for determining whether the remaining time is positive or negative and setting a recording / editing song; a remaining time storage unit for storing the remaining time obtained by the remaining time calculation unit and the tape length at that time; and a tape length data storage unit Of each data stored in Tape length setting means for sequentially setting the tape length data in the tape length storage unit to perform the editing operation on the remaining time, and the remaining time obtained as a result of the editing operation for the certain tape length and another stored in the remaining time storage unit. The remaining time obtained for the tape length is compared with the remaining time, and the smaller remaining time and the tape length are stored in the remaining time storage unit, and all the tape length data are compared and then stored in the remaining time storage unit. An optical disc reproducing apparatus comprising: a comparison unit for storing a tape length as an optimum tape length in a tape length storage unit; and a display unit for displaying tape length data.