JP2000184327A - Recording and reproducing device and recording and reproducing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recording and reproducing device and a recording and reproducing method by which both of the track name and the next are recorded by automatically copying the track name or the text to the text or the track name as to an optical disk where only either of the track name or the text of audio data is recorded. SOLUTION: The recording and reproducing device is provided with a microcomputer 13 that discriminates whether a track name of audio data or a text is recorded and generates one on the basis of the other when one of them is recorded, a memory control circuit 10, and a RAM 11 and records the generated track name or text onto an optical disk 20. Thus, the track name or the text is automatically generated to an optical disk to which the text or the track name is not recorded so as to save the trouble of data entry.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention can be applied to, for example, a recording / reproducing apparatus and a recording / reproducing method for recording additional information data on audio data to be recorded on an optical disk.

[0002]

2. Description of the Related Art Conventionally, there has been an optical disk recording / reproducing apparatus for recording and reproducing music information and additional information on an optical disk. In this optical disk recording / reproducing apparatus, a track name indicating a music number or the like for each track is recorded in the U-TOC of the management area as additional information.

[0003]

However, in the optical disk recording / reproducing apparatus, the track name can only display a single piece of information for each track, and cannot display a plurality of pieces of information in a track. There was an inconvenience.

[0004] The applicant of the present invention is disclosed in Japanese Patent Application No.
In the patent application No. 05827, an MD (mini-disc) -clip which designates a text (or a still image) as music information and related information related to the music information in association with the music information in one track.
A recording / reproducing apparatus for a (clip) system has been proposed.
The related information of the recording / reproducing apparatus is most suitable as, for example, a display of lyrics or a teaching material for English conversation.

[0005] However, in order for the user to use this function, it is necessary to input both the track name and the text using keys, which increases the user's labor and the input method is complicated. There was an inconvenience.

The present invention has been made in view of the above points, and when a disc is recorded with only either the track name or text of audio data to be recorded on the optical disc, one of the data is automatically copied to the other. Then, a recording / reproducing apparatus and a recording / reproducing method capable of recording both information are proposed.

[0007]

According to an aspect of the present invention, there is provided a recording / reproducing apparatus for recording / reproducing information information and related information data on a recording medium which is recordable and formatted by a recording / reproducing means. In a recording / reproducing apparatus for recording or reproducing related information data,
Data determining means for determining whether or not the additional information data included in the management information data of the information data already recorded on the recording medium or the related information data is recorded on the recording medium; and When it is determined that either the additional information data or the related information data is recorded, the other related information data or the additional information is determined based on one of the additional information data and the related information data. Data generating means for generating data, wherein the additional information data or the related information data generated by the data generating means is recorded on the recording medium by the recording / reproducing means.

Further, the recording / reproducing method according to the present invention provides a recording / reproducing method for recording or reproducing information data and related information data on a recording medium on which information data and related information data related thereto have been recorded. In the method, additional information data included in management information data of information data already recorded on the recording medium,
Or a data determining step of determining whether or not the related information data is recorded on the recording medium, and it is determined by the determining step that either the additional information data or the related information data is recorded. A data generating step of generating the other related information data or the additional information data based on one of the additional information data and the relevant information data, wherein the additional information generated by the data generating step The data or the related information data is recorded on the recording medium by the recording / reproducing means.

According to the recording / reproducing apparatus and the recording / reproducing method of the present invention, the following operations are performed. A first management area indicating first management information data including additional information data in a first recording area in which tracks of a plurality of information data can be recorded, and a second management area in a second recording area in which a plurality of related information data can be recorded. The first and second management information data in the second management area for recording the second management information data are read.

The data determining means determines whether or not the additional information data included in the management information data of the information data already recorded on the recording medium or the related information data is recorded on the recording medium. The data generating means, when it is determined by the determining means that one of the additional information data and the related information data is recorded, based on one of the additional information data and the related information data, Generate additional information data.

The additional information data or related information data generated by the data generating means is recorded on a recording medium by the recording and reproducing means.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a magneto-optical recording / reproducing apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The optical disk applied to the magneto-optical recording / reproducing apparatus according to the embodiment of the present invention is constituted by, for example, an MD (mini-disc). The sector has a hierarchical structure, and addresses are assigned in binary numbers. In addition to the sector header of the main channel, this address is the sub-code Q in the reproduction-only MD software, and A in the recording MD.
DIP (Address In Pregroove)
Is also recorded.

[0013] ADIP uses a stamper to make a track (pregroove) about 30 nm wobble (meander) at a frequency of 22.05 kHz modulated with address information over the entire surface of a disk by a stamper, thereby producing a recording MD. , CLV servo of the spindle motor 21 described later, and high-speed random access.

[0014] In addition to the audio data, Clip image data and text data as compressed still image data are recorded in the MD in association with audio data as related information. Then, the Clip image data and the text data are displayed on the display unit.

An MD-Clip capable of recording such Clip image data and text data is described below.
A magneto-optical recording / reproducing apparatus according to an embodiment of the present invention for recording or reproducing Clip image data and text data associated with audio data on an optical disk formatted in the p format will be described.

FIG. 1 is a block diagram showing a configuration of a magneto-optical recording / reproducing apparatus according to an embodiment of the present invention. In FIG. 1, in a magneto-optical recording / reproducing apparatus 1, an audio input signal supplied to a terminal 3 is supplied to a buffer amplifier 6 as a recording system of audio data, and the buffer amplifier 6 amplifies the audio input signal to a signal processable level at a subsequent stage. . The audio input signal amplified by the buffer amplifier 6 is supplied to an A / D conversion circuit 8 and is converted into digital data.
This audio digital data is ATRAC (Ada
Ptive Transform Acoustic
(Coding) encoding circuit 9 for high-efficiency encoding. The ATRAC encoding circuit 9 compresses the data to 292 kbit / s, which is about 1/5 of the coding of the CD, and enables recording and reproduction of 74 minutes of audio data. Specifically, in the ATRAC encoding circuit 9, the audio data is divided into three bands of a low band, a middle band, and a high band by a band division filter, and the MDCT
(Modified Discrete Cosine
Transform) converts the time axis signal of each band into a frequency spectrum.

The compressed ATRAC audio data is stored in a designated area of the RAM 11 under the write control of the memory control circuit 10.

On the other hand, as related information, JPEG (Joint Photograph) is used as an example of compressed still image information.
ic Image Coding Experts G
Considering the recording system of the (loop) image, the image input data supplied to the terminal 4 is supplied to the JPEG encoding circuit 22 and converted into compressed still image data. More specifically, the JPEG encoding circuit 22 performs DCT coding on the block-formed image input data by DCT, further quantizes it by a quantizer, and finally codes it by an encoder.

The compressed JPEG still image data is written into the RA by the write control of the memory control circuit 10.
It is stored in the designated area of M11. At the time of reproduction, the compressed JPEG still image data is expanded by the JPEG decoding circuit 22 by an input operation of the key 24 and displayed on the display unit together with the text data.

FIG. 2 shows the allocation of a memory area in a RAM (memory) for the MD-Clip format of the present embodiment. As shown in FIG. 2, from the storage area address 0 to the maximum (max) area, the U-TOC (U
(Ser Table Of Contents) data area 28, AUX U-TOC data area 27,
User data area 1 (for ATRAC data described above)
26 and AUX data area 2 (for JPEG data and text data described above) 25 are sequentially stored.

When the data amount of the ATRAC audio data in the area 1 becomes equal to or more than one cluster, the data is read from the RAM 11 under the read control of the memory control circuit 10 and is read out from the MD format encoding circuit 12.
Supplied to MD format encoding circuit 12
Generates ATRAC data in a data format with 36 sectors as one cluster. MD format A
TRAC data is ACIRC (Advanced Cr)
oss Interleave Reed-Solom
(on Code) is supplied to the encoding circuit 14 and subjected to error correction coding. The ACIRC encoding circuit 14
This is a method in which deinterleaving is added only to data, data on the disk is arranged in real-time order, and only parity for error correction is interleaved.

The error-corrected ATRAC data is supplied to a driver 18 where the error-corrected ATRAC data is sent.
A drive signal is generated by the driver 18 from the RAC data and supplied to the magnetic head 19. Magnetic field modulation is applied by the magnetic head 19 to the optical disk 20 whose Curie temperature has been exceeded by the irradiation of the recording power laser beam from the optical pickup 17. Thus, the external magnetic field can be recorded on the optical disk 20 in accordance with the data directly.

At the time of reproduction, the optical pickup 17
Irradiation of the read power laser beam from the
F amplifier 16, ACIRC decode circuit 14, MD format decode circuit 12, memory control circuit 10, ATRAC decode circuit 9, D / A conversion circuit 7,
The audio output signal is reproduced from the terminal 2 via the buffer amplifier 5. The ACIRC decoding circuit 14,
The MD format decoding circuit 12 and the ATRAC decoding circuit 9 perform operations opposite to those described above for recording.

Further, the still image data and the text data associated with the audio data are displayed via the microcomputer 13, the JPEG decoding circuit 22, and the display unit 23. Note that the JPEG decoding circuit 22 performs an operation reverse to that described above.

The operation of the magneto-optical recording / reproducing apparatus of this embodiment having the above-described configuration will be described below. FIG. 3 is a flowchart showing the copying operation between the track name and the text according to the present embodiment. Note that the following processing and determination are performed by the microcomputer 13 shown in FIG.

In FIG. 3, when the operation starts, U
-TOC, AUX Reads U-TOC. Specifically, the microcomputer (microcontroller) 13 recognizes a reproduction operation instruction from the key 24 shown in FIG. 1, so that the U-TOC area of the optical disc 20 and the AUX U-
U-TOC, AUXU- recorded in the TOC area
The TOC is irradiated with a read power laser beam from the optical pickup 17 so that the RF amplifier 16 and the ACI
Reproduction is performed via the RC decoding circuit 14 and the MD format decoding circuit 12. Then, the RAM 11 shown in FIG.
U-TOC data area 28, AUX U-TOC
U-TOC and AUX UT in data area 27
OC is written by the memory control circuit 10.

In step S1, n = 1 is set. Specifically, the microcomputer 13 shown in FIG. 1 counts “1” corresponding to the number of tracks by a counter inside an internal register. In step S2, it is determined whether the inspection of the total number of tracks has been completed. Specifically, the microcomputer 13 shown in FIG.
Determines whether the internal counter has counted the number corresponding to the total number of tracks. In this case, it may be detected that the count value of a counter preset in advance to a number corresponding to the total number of tracks has reached the preset value.

If the inspection of all the tracks has been completed in step S2, the process is terminated. If the inspection has not been completed, the process proceeds to step S3. In step S3, it is determined whether or not the track n has a track name. In particular,
A U-TOC sector 4 in which a track name can be recorded is detected.

FIG. 4 is a diagram showing a sector structure of the U-TOC sector 4 according to the present embodiment. U-TOC of FIG.
The sector 4 indicates a recording state of a track name that can be recorded and reproduced for each track, such as a song number of a song already recorded on the optical disk, and a recording state of a disc name that can be recorded and reproduced for each disk.

In FIG. 4, if the value of P-TNA1 (40) indicating the storage location of the track name of the first music is other than "0", this value indicates that byte position = 76.
The track name of the first music piece is stored in the data area of the slot represented by × 4 + (P-TNA1) × 8. Therefore, when the value of P-TNA1 (40) is "0", no track name is recorded. Hereinafter, similarly, from track 2 (n = 2) to the maximum track 255 (n
= 255).

The disc name is directly stored in the disc name storage destination 41. When the value of the disk name storage destination 41 is “0”, it means that the disk name is not recorded.

If the track name has been recorded on the track n in step S3, the process proceeds to step S4. In step S4, it is determined whether there is a text on track n. Specifically, the AUX U-TOC sector 4 capable of managing the recording of the text is detected.

FIG. 5 shows an AUX U-TO according to this embodiment.
FIG. 9 is a diagram showing a sector structure of a C sector 4. A in FIG.
The UX U-TOC sector 4 is a MD-c that is recorded in relation to a song already recorded on the optical disc and is reproducible.
It shows the recording state of text in the lip format.

In FIG. 5, when the value of P-TXNO1 (42) indicating the address of the text storage location of the first music is other than "0", the start address and end address of the slot 43 corresponding to this value are used. Recorded in the indicated recording area. The recording area of this text is shown in FIG.
2 shows the AUX data area 2 (for JPEG data and text data) 25 shown in FIG. Therefore, P-TXNO
If the value of 1 (42) is "0", no text is recorded. Hereinafter, in the same manner, the track 2 (n
= 2) to the maximum track 99 (n = 99).

FIG. 6 shows an AUX U of this embodiment.
FIG. 14 is a diagram showing a sector structure of a -TOC sector 5; The AUX U-TOC sector 5 in FIG. 6 is recorded at the head of the text recorded on the optical disk, and indicates the recording state of the cover text in the reproducible MD-clip format.

In FIG. 6, the cover text storage destination 44
The cover text is stored directly in the data area.
When the value of the cover text storage location 44 is “0”, no cover text is recorded.

In FIGS. 5 and 6, the track numbers of the first text and the cover text are designated as “Firs”.
The track numbers of the last text and the cover text are recorded in LastTXNO and LastTXIF, which are recorded in tTXNO and FirstTXIF. Also, P-EM indicating the first unused pointer
This indicates that the slot after the PTY value is unused. In FIG. 5, the slot indicated by the value of P-TFRA indicating the pointer of the start address of the free recording area is an unused area.

In FIG. 5, a start address indicates a cluster, a sector, and a group.
*, ＄ **, ＄ *, ＄ ** as the end address
*, ＄ **, ＄ *, copy mode as text mode,
A value indicating that copying is possible only once or copying is prohibited, Li
A value indicating whether or not there is a connection between the slots is recorded as nk-P.

The start address and the end address are shown in a standard form, not a short form, and the designated dead data is 0 data.

If there is no text on track n in step S4, the process proceeds to step S5. In step S5, it is determined whether or not copying can be performed. Specifically, the one corresponding to the recording capacity of the track name of the U-TOC sector 4 of the copy source is the AUX shown in FIG.
It is determined whether or not it is in the data area 2 (for JPEG data and text data) 25.

If it is determined in step S5 that the copy can be executed, the flow advances to step S6 to execute the copy. Specifically, the AUX data area 25 of the RAM 11 shown in FIG.
Area 28 for the U-TOC data
Is written by the memory control circuit 10.

In this case, at the same time, the RA shown in FIG.
The memory control circuit 10 writes the disc name of the U-TOC data area 28 of M11 into the cover text area of the AUX U-TOC data area 27.

If the track n does not have a track name in step S3, the process proceeds to step S7. In step S7, it is determined whether there is a text on track n. If there is a text on track n in step S7, the process proceeds to step S8. In step S8, it is determined whether or not copying can be performed. Specifically, the recording capacity of the text in the AUX data area 2 (for JPEG data and text data) 25 shown in FIG. 2 of the copy source is the recording of the track name of the U-TOC sector 4 of the copy destination. It is determined whether it is in the area.

If the copy can be executed in step S8, the process proceeds to step S9, and the copy is executed. More specifically, the text data of the AUX data area 25 is stored in the track name recording area of the U-TOC data area 28 of the RAM 11 shown in FIG.
Write by

In this case, at the same time, the RA shown in FIG.
The cover text of the MUX 11 AUX U-TOC data area 27 is written by the memory control circuit 10 into the disk name recording area of the U-TOC data area 28.

If there is a track name in track n in step S3 and there is text in track n in step S4, if copying from the track name to text cannot be executed in step S5, step S6
When the copy from the track name to the text is completed in step S8, when the copy from the text to the track name is not executable in step S8, when the copy from the text to the track name is completed in step S9, If there is no track name in track n in S3 and there is no text in track n in step S7, the process proceeds to step S10, where n = n + 1. Specifically, the microcomputer 13 shown in FIG. 1 uses a counter in an internal register to store “n +
"1" is counted.

When the above-described processing has been completed for all the tracks, the AUX data area 2
(JPEG data and text data) 25 text data are recorded on the optical disc. Specifically, RA
After accessing the text data area 25 of the area 2 of the address indicated by the AUX U-TOC sector 4 of M11, a predetermined amount of text data stored in the predetermined area is read out by the memory control circuit 10, and the MD format encoding is performed. Circuit 12, ACIR
Via the C encoding circuit 14, the driver circuit 18 and the magnetic head 19, it is determined whether or not the pre-processing for recording on the optical disk has been completed.

If the writing to the disc is OK, the AUX U-TOC sector 4 is accessed and the text data is recorded in the blank area of the text data area (2) 25 on the optical disc indicated by this part. Specifically, a predetermined amount of text data stored in the area 2 of the RAM 11 is read by the memory control circuit 10 while irradiating a laser beam of write power from the optical pickup 17, and the MD format encoding circuit 12 and the ACIRC The data is recorded on the optical disk via the encoding circuit 14, the driver circuit 18, and the magnetic head 19.

Next, the AUX U-TOC is changed.
Specifically, the AUX U-TOC sector 4 and the sector 5 stored in the AUXU-TOC data area 27 of the RAM 11 are read by the memory control circuit 10, and the area where the text data is written is removed from the blank area. By recording in the RAM 11 as a text number of a new text storage destination,
Update the data indicating the blank area to create a new AUX
The U-TOC is stored in the AUX U-TOC data area 27 of the RAM 11. Then, the AUX U-TOC updated as described above is recorded on the optical disc.

Specifically, the AUX U of the optical disc 20
A new AUX U-TOC stored in the AUX U-TOC data area 27 of the RAM 11 while irradiating a new AUX U-TOC to the TOC area with a laser beam of write power from the optical pickup 17.
C is read by the memory control circuit 10 and M
D format encoding circuit 12, ACIRC encoding circuit 14, driver circuit 18, and magnetic head 1
9 and is recorded on the optical disk.

Similarly, the U-TOC is changed. Specifically, the U-TOC sector 4 stored in the U-TOC data area 28 of the RAM 11 is read out by the memory control circuit 10, and the area in which the track name is written is removed from the blank area, and a new track name is written. By recording in the RAM 11 as a storage destination, the data indicating the blank area is updated and a new U-
The TOC is stored in the U-TOC data area 28 of the RAM 11. Then, the updated U-
The TOC is recorded on the optical disc.

More specifically, the U-TOC of the optical disc 20
While irradiating a new U-TOC to the area with a laser beam of write power from the optical pickup 17,
A new U-TOC stored in the U-TOC data area 28 of the AM 11 is read by the memory control circuit 10 and the MD format encoding circuit 1
2, ACIRC encoding circuit 14, driver circuit 1
The data is recorded on the optical disk via the magnetic head 8 and the magnetic head 19.

As described above, in this embodiment, after inserting the recording optical disk into the apparatus, the recording state of each track is inspected, and the tracks are classified into the following first to fourth. First
Indicates the track name of each track,
The second is a case where text information in the MD-clip format corresponding to each track is recorded, and the third is a case where both the track name and the text information in the MD-clip format are recorded in each track.
Is a case where neither the track name nor the MD-clip format text information is recorded in each track.

Then, in all the tracks, both the track name and the MD-clip format text information are recorded in the third track, and the track name and the MD-c are recorded in the fourth track.
When neither of the lip format text information is recorded, the duplication operation between the track name and the text according to the present embodiment is not performed.

If the track name of each first track is recorded and there is one or more corresponding tracks, a message as to whether or not to copy the track name to text is displayed on the display unit 23. In the case of displaying and copying, copying is executed by inputting a predetermined key 24. Further, the copy may be automatically executed without inputting the key 24.

The MD-track corresponding to each of the second tracks
If one or more corresponding tracks exist when text information in the clip format is recorded, a message as to whether or not to copy from the text to the track name is displayed on the display unit 23. Is
Copying is executed by inputting a predetermined key 24. Also,
The copy may be automatically executed without inputting the key 24.

The optical disc that has performed the copying operation between the track name and the text according to the present embodiment is classified into the above-described third recording state in the next operation.
The message as to whether or not to copy is not displayed on the display unit 23.

In the case of the operation of copying from the text to the track name, basically, only the one whose offset is "0" is copied to the corresponding track. In other words, the offset of the text can be specified with an interval in relation to the content of the song, but the text continuing from the beginning of the song may be copied as the track name.

However, as an option, within the recording capacity of the track name (for example, about 1000 characters),
All the texts corresponding to the relevant track may be connected and recorded as one track name.

As described above, in the magneto-optical recording / reproducing apparatus capable of recording / reproducing on / from the MD-clip format optical disk, the function of using the MD-clip format text information, that is, the access to the text. By effectively utilizing the function, data that can be commonly used can be copied.

When the above-described still image data and text data input from the outside are recorded on an optical disk, the following operation is performed.

The image input data supplied to the terminal 4 is JP
The data is supplied to the EG encoding circuit 22 and is converted into compressed still image data. The compressed JPEG still image data is written into the R
It is stored in the designated area of AM11.

When text data is recorded as related information, the text data is inputted from the key 24 and stored in the designated area of the RAM 11 by the write control of the memory control circuit 10 via the microcomputer 13. Is done. A predetermined amount of JPEG data and text data stored in the area 2 of the RAM 11 is read out by the memory control circuit 10 and transferred to the optical disk via the MD format encoding circuit 12, the ACIRC encoding circuit 14, the driver circuit 18, and the magnetic head 19. Record.

The recording / reproducing apparatus according to the present embodiment is a recording / reproducing apparatus which records or reproduces information data and related information data by a recording / reproducing means on a recording medium on which information data and related information data related thereto are recordable. In the apparatus, data determination for determining whether a track name as additional information data included in management information data of information data already recorded on the recording medium or text as related information data is recorded on the recording medium. When the microcomputer 13 determines that one of the additional information data and the related information data is recorded, the other related information is determined based on one of the additional information data and the related information data. Myco as a data generation means for generating data or additional information data 13, memory control circuit 1
0, RAM 11 and the additional information data or related information data generated by the data generating means is recorded on the recording medium by the recording / reproducing means. And the related information data can be automatically generated and recorded on the recording medium to which the additional information data has not been input, and the additional information data is automatically generated and recorded on the recording medium to which the additional information data has not been input. In the case where the same data or similar data is input to both the additional information data and the related information data, it is possible to save the trouble of inputting the duplicated data by inputting either of them first.

Further, in the recording / reproducing apparatus according to the present embodiment, the data judgment means and the data generation means
ATRAC data area 26 as a first recording area where a plurality of tracks of information data can be recorded, and U-data as a first management area indicating first management information data including additional information data of the first recording area. TOC data area 28
And an AUX data area (JPEG data and text data) 25 as a second recording area in which a plurality of related information data can be recorded, and a second management area for recording the second management information data in the second recording area AUX U as
Since data judgment and data generation are performed using the first and second management information data of the recording medium having the TOC data area 27, the management information data on the format is inspected to check the additional information data and the related information data. The presence / absence of recording can be determined, and each data can be easily accessed.

In the recording / reproducing apparatus of the present embodiment, the additional information data is data relating to the track name and the related information data is data relating to the text in the above description, so that the additional information data is recorded between the track name and the text. Unused data can be automatically copied and used, and once the copying operation is completed, the duplication operation is not repeated in the next operation, so that the operability is improved when displaying the track name and text. be able to.

Further, according to the recording / reproducing method of the present embodiment, the information data and the related information data are recorded or reproduced by the recording / reproducing means on a recording medium on which the information data and the related information data related thereto are recordable. In the recording / reproducing method, it is determined whether or not a track name as additional information data included in management information data of information data already recorded on the recording medium or a text as related information data is recorded on the recording medium. A data determination step, and when it is determined in the determination step that either the additional information data or the related information data is recorded, the other related information data or And a data generation step of generating additional information data. The additional information data or the related information data generated in the forming step is recorded on the recording medium by the recording / reproducing means. Data can be generated and recorded, and the additional information data can be automatically generated and recorded on the recording medium to which the additional information data has not been input using the related information data. When the same data or similar data is input to both of the related information data, by inputting either of them first, it is possible to save the trouble of inputting duplicate data and shorten the processing time.

Further, in the recording / reproducing method according to the present embodiment, in the above description, the data judging step and the data generating step include the first step in which a track of a plurality of information data can be recorded.
Recording area, a first management area indicating first management information data including additional information data of the first recording area, a second recording area in which a plurality of related information data can be recorded, and a second recording area Data judgment and data generation are performed using the first and second management information data of the recording medium having the second management area for recording the second management information data of the area. By performing the inspection, the presence or absence of the recording of the additional information data and the related information data can be determined, and each data can be easily accessed, and the processing time can be reduced.

In the recording / reproducing method according to the present embodiment, in the above description, the additional information data is data relating to a track name, and the related information data is data relating to a text. Unused data can be automatically copied and used, and once the duplication operation is completed, the duplication operation will not be repeated in the next operation, thus improving operability when displaying track names and text. The processing time can be shortened.

In the present embodiment described above,
Although the optical disk 20 has been described as being an MD, other optical disks, for example, a digital versatile disk (D
VD), a rewritable CD-ROM, or a magneto-optical disk (MO).

[0071]

According to the present invention, there is provided a recording / reproducing apparatus for recording or reproducing information data and related information data by a recording / reproducing means on a recording medium on which information data and related information data related thereto are recordable. In the apparatus, additional information data included in management information data of information data already recorded on the recording medium, or data determination means for determining whether the related information data is recorded on the recording medium, When it is determined by the determination means that either the additional information data or the related information data is recorded, the other related information data or the other based on either the additional information data or the related information data. Data generating means for generating the additional information data. Since the additional information data or the related information data is recorded on the recording medium by the recording / reproducing means, the related information is automatically added to the recording medium to which the related information data is not input using the additional information data. Data can be generated and recorded,
The additional information data can be automatically generated and recorded using the related information data on a recording medium to which the additional information data has not been input, and the same data or similar data can be stored in both the additional information data and the related information data. If you enter
By inputting either of them first, it is possible to save the trouble of inputting duplicate data.

Further, in the recording / reproducing apparatus according to the present invention, the data judging means and the data generating means may include a first recording area in which a plurality of tracks of information data can be recorded, A first management area indicating first management information data including additional information data, a second recording area in which a plurality of related information data can be recorded, and a second management information data in the second recording area are recorded. The data determination and the data generation are performed using the first and second management information data of the recording medium having the second management area to be used. In addition, it is possible to determine whether or not the related information data is recorded, and it is possible to easily access each data.

In the recording / reproducing apparatus of the present invention, the additional information data is data relating to a track name and the related information data is data relating to a text. Unused data can be automatically copied and used, and once the copying operation is completed, the duplication operation is not repeated in the next operation, so that the operability is improved when displaying the track name and text. It has the effect of being able to do so.

Further, the recording / reproducing method of the present invention provides a recording / reproducing method of recording or reproducing information data and related information data on a recording medium on which information data and related information data related thereto are recordable. In the method, additional information data included in management information data of information data already recorded on the recording medium,
Or a data determining step of determining whether or not the related information data is recorded on the recording medium, and it is determined by the determining step that either the additional information data or the related information data is recorded. A data generating step of generating the other related information data or the additional information data based on one of the additional information data and the relevant information data, wherein the additional information generated by the data generating step Since the data or the related information data is recorded on the recording medium by the recording / reproducing means, the related information data is automatically generated using the additional information data on the recording medium to which the related information data is not input. Can be recorded and related to a recording medium without additional information data The additional information data can be automatically generated and recorded by using the information data, and when the same data or similar data is input to both the additional information data and the related information data, either of them is input first. As a result, there is an effect that it is possible to save the trouble of inputting duplicate data and shorten the processing time.

Further, in the recording / reproducing method according to the present invention, in the above, the data determining step and the data generating step include: a first recording area in which a plurality of tracks of information data can be recorded; A first management area indicating first management information data including the additional information data;
A second recording area in which a plurality of related information data can be recorded;
Since the data judgment and the data generation are performed using the first and second management information data of the recording medium having the second management area for recording the second management information data of the second recording area. By inspecting the management information data on the format, it is possible to determine whether or not the additional information data and the related information data are recorded, so that each data can be easily accessed and the processing time can be reduced.

In the recording / reproducing method of the present invention, in the above, the additional information data is data relating to a track name and the related information data is data relating to a text, so that the additional information data is recorded between the track name and the text. Unused data can be automatically copied and used, and once the duplication operation is completed, the duplication operation will not be repeated in the next operation, thus improving operability when displaying track names and text. ,
This has the effect of shortening the processing time.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a magneto-optical recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram showing allocation in a RAM (memory) according to the embodiment of the present invention.

FIG. 3 is a flowchart showing a copying operation between a track name and a text according to the embodiment of the present invention.

FIG. 4 is a diagram showing a sector structure of a U-TOC sector 4 according to the embodiment of the present invention.

FIG. 5 is a diagram showing a sector structure of an AUX U-TOC sector 4 according to the embodiment of the present invention.

FIG. 6 is a diagram showing a sector structure of an AUX U-TOC sector 5 according to the embodiment of the present invention.

[Explanation of symbols]

1 ... magneto-optical recording / reproducing device, 2 ... terminal, 3 ... terminal,
4 ... terminal 5 ... buffer amplifier 6 ... buffer amplifier 7 ... D / A conversion circuit 8 ... A / D conversion circuit
9 ATRAC encode / decode circuit 10 10
Memory control circuit, 11 ... RAM, 12 ...
MD format encoding / decoding circuit, 13 ...
Microcomputer, 14 ACIRC encode / decode circuit, 15 servo circuit, 16 RF amplifier, 17
... Optical pickup, 18 ... Driver, 19 ... Magnetic head, 20 ... Optical disk, 21 ... Spindle motor, 22 ... JPEG encode / decode circuit, 2
3 Display part, 24 Key, 25 Area 2 (JP
EG data and text data), 26 Area 1 (for ATRAC data), 27 AUX UT
OC data area, 28 U-TOC data area, 40 track name storage destination, 41 disk name storage destination, 42 text storage destination, 43 slot, 44 cover text storage destination ,

 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Hideki Nagashima 6-35 Kita Shinagawa, Shinagawa-ku, Tokyo Sony Corporation F-term (reference) 5C052 AA03 AB04 AC08 CC11 DD06

Claims (6)

[Claims] 1. A recording / reproducing apparatus for recording / reproducing information data and related information data by a recording / reproducing means on / from a recording medium in which information data and related information data related thereto are recordable. Data determining means for determining whether or not the additional information data included in the management information data of the recorded information data or the related information data is recorded on the recording medium; and the additional information data or When it is determined that either one of the related information data is recorded, data that generates the other related information data or the additional information data based on one of the additional information data and the related information data Generating means, and the additional information data generated by the data generating means. Data or the related information data recording and reproducing apparatus being characterized in that so as to record on the recording medium by said recording and reproducing means. 2. The recording / reproducing apparatus according to claim 1, wherein said data judging means and said data generating means have a first recording area in which a plurality of tracks of information data can be recorded, and a first recording area of said first recording area. A first management area indicating first management information data including additional information data, a second recording area in which a plurality of the related information data can be recorded, and a second management information data in the second recording area. Second to record
The first and second recording media of the recording medium having the
A recording / reproducing apparatus for performing the data determination and the data generation by using the management information data of (1). 3. The recording / reproducing apparatus according to claim 1, wherein the additional information data is data relating to a track name, and the related information data is data relating to text. 4. A recording / reproducing method for recording / reproducing information data and related information data by a recording / reproducing means on a recording medium on which information data and related information data related thereto are recordable. A data determining step of determining whether or not the additional information data included in the management information data of the recorded information data or the related information data is recorded on the recording medium; and When it is determined that either one of the related information data is recorded, data that generates the other related information data or the additional information data based on one of the additional information data and the related information data And a generating step. Recording and reproducing method is characterized in that so as to record on the recording medium by said recording and reproducing means the additional information data or the related information data. 5. The recording / reproducing method according to claim 4, wherein the data judging step and the data generating step include a first recording area in which a plurality of tracks of information data can be recorded, and a first recording area of the first recording area. A first management area indicating first management information data including additional information data, a second recording area in which a plurality of the related information data can be recorded, and a second management information data in the second recording area. A recording / reproducing method, wherein the data determination and the data generation are performed using the first and second management information data of the recording medium having a second management area for recording. 6. The recording / reproducing method according to claim 4, wherein the additional information data is data relating to a track name, and the related information data is data relating to a text.