JP2000134566A - 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 which associate additional information data with audio data to be recorded on an optical disk and record them. SOLUTION: Since this recording and reproducing device is provided with a microcomputer 13, a memory control circuit 10 and a RAM 11 being as associating means which associate additional information data or information data with information data or additional information data which are already recorded on an optical disk 20 or associate information data and additional information data which are already recorded on the disk 20 but are not associated and perform data processing so as to record them on the disk 20, the recording and reproducing device can also reproduce the associated additional information together in accordance with a number of musical information and show it on a displaying part 23, etc., when the information data are reproduced.

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, music information and related information associated with each other are copied from one optical disk to the other optical disk as they are.

[0003]

However, in the optical disk recording / reproducing apparatus, when either one of the music information and the additional information already recorded on the optical disk is additionally recorded, the information is not always associated with the music information or the additional information. There was an inconvenience that I could not do it.

[0004] Even when both music information and additional information are already recorded on an optical disk, they are not necessarily recorded in association with each other. Further, the data processing operation of the association must be performed for each of the additional information, and there is a disadvantage that the method of specifying the additional information is complicated.

The present invention has been made in view of the above points, and proposes a recording / reproducing apparatus and a recording / reproducing method capable of recording additional information data in association with audio data to be recorded on an optical disk. Things.

[0006]

According to another aspect of the present invention, there is provided a recording / reproducing apparatus for recording or reproducing information data on or from a recording medium on which information data is recordable. Associating additional information data or information data with information data or additional information data already recorded on the recording medium, or associating information data and additional information data already recorded on the recording medium with no association. And an associating means for performing data processing so as to be recorded on the recording medium.

Further, according to a recording / reproducing method of the present invention, in a recording / reproducing method for recording or reproducing information data on a recording medium on which information data is recorded so as to be recordable, the information data is already recorded on the recording medium. The information data or the additional information data is associated with the additional information data or the information data, or the information data and the additional information data which have already been recorded on the recording medium and are not associated with each other are recorded on the recording medium. Data processing is performed.

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 a recording state of a first recording area in which information data can be recorded; a recording state of a second recording area in which a plurality of pieces of additional information data can be recorded; and a recording area of additional information data in the second recording area. The second management area for recording management information data related to a track in the first recording area is read.

Therefore, it is determined whether or not there is additional information data to be recorded.
Write data to memory once. Next, it is determined whether or not the writing to the recording medium is OK. When the writing to the recording medium is OK, the sector 0 of the second management area is accessed and the additional information data area indicated by this portion is accessed. Record additional information data in the blank area.

Next, the second management area is changed. Second
Is read out, and the area in which the additional information data is written is removed from the blank area and registered as the picture number 1 of the sector 1, so that the data indicating the blank area is updated and a new second management area is set. It is stored in the additional information management data area.

Next, when the recording of the additional information data has been completed and there is no additional information data to be recorded, the total playing time is calculated from the first management area. If the first additional information is recorded at the beginning of the first music piece of the information data and the remaining additional information is associated with the total performance time so as to be recorded at regular intervals, the reproduction interval of the additional information data is set to calculate. Next, as a second management area, an offset address of additional information data indicating an offset from the head of each music is set at predetermined intervals from the head of the first music. Then, a new second management area is recorded on the recording medium while irradiating a laser beam of write power from the recording / 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 23.

Hereinafter, the present invention for recording or reproducing Clip image data and text data associated with audio data on an optical disk formatted in the MD-Clip format capable of recording such Clip image data and text data. The magneto-optical recording / reproducing apparatus according to the embodiment will be described.
The present invention is applied not only to a magneto-optical recording / reproducing apparatus for recording or reproducing lip image data and text data, but also to an ordinary MD audio recording / reproducing apparatus.

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 additional 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 23 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 association operation according to the present embodiment. The following processing and determination are performed by the microcomputer 13 shown in FIG.
It is performed by. Here, a case where four pieces of JPEG data are additionally recorded as additional information when only two pieces of music information are recorded in advance on the optical disk and no additional information is recorded is described.

In FIG. 3, when the operation is started in step S1, the U-TOC and the AUXU-TOC are read. Specifically, the microcomputer (microcontroller) recognizes a reproduction operation instruction from the key 24 shown in FIG.
U-TOC, A recorded in X U-TOC area
The UX U-TOC is irradiated with a read-power laser beam from the optical pickup 17 so that the RF amplifier 1
6. Reproduction is performed via the ACIRC decoding circuit 14 and the MD format decoding circuit 12. Then, the U-TOC data area 28 of the RAM 11 shown in FIG.
U-TOC and AU are stored in the U-TOC data area 27.
The XU-TOC is written by the memory control circuit 10.

The U-TOC information of the optical disk in the initial state where only the music information is recorded will be described below. In this case, since a still image is not recorded, the AUXU-TO
C is absent. Here, two pieces of music for about three minutes are recorded.

FIG. 4 is a diagram showing a sector structure of U-TOC sector 0 according to the present embodiment. U-TOC of FIG.
Sector 0 is the number of songs already recorded on the optical disc,
It indicates performance time, address information, and the like.

In FIG. 4, First TNO (30) indicating the track number of the first music piece is $ 01 and recorded on the first track, and Last TNO (31) indicating the track number of the last music piece is $ 02. There is recorded on the second track. PE indicating the first unused pointer
MPTY (32) is $ 04, and slots 4 and thereafter are unused. P-FRA (33) indicating the pointer of the start address of the free recording area is $ 01, and slot 1 (36) is an unused area. P-TNO1 (34) indicating the address of the first music piece is $ 02 and is recorded in slot 2 (37). P-TNO2 (35) indicating the address of the second music is $ 03 and slot 3
(38).

In the slot 1 (36) of the free recording area, $ 0E6, $ 00, $ 0 indicating the cluster, sector, and group as the start address 39, and similarly, $ 734, $ 1F, $ A, As the track mode 41, $ C6 indicating a stereo audio signal and $ 00 indicating Link-P (42) indicating no connection are recorded.

In the slot 2 (37) of the first song,
$ 032, $ 00, $ 0 indicating the cluster, sector and group as the start address 43, $ 089, $ 1F, $ A similarly as the end address 44, and $ C indicating the stereo audio signal as the track mode 45
6, $ 00 indicating Link-P (46) indicating no connection is recorded.

Also, in slot 3 (38) of the second song,
$ 08A, $ 00, $ 0 indicating a cluster, sector and group as a start address 47, similarly $ 0E5, $ 1F, $ A as an end address 48, and $ C indicating a stereo audio signal as a track mode 49
6, $ 00 indicating Link-P (50) indicating no connection is recorded.

The start address and the end address are shown in a standard form instead of a short form, and the data without designation is 0 data. Here, P-EMPTY (3
All the slots 4 and below shown in 2) are linked,
It is connected as data.

In step S2, it is determined whether or not there is JPEG data as additional information to be recorded. In particular,
It is determined whether there is JPEG data to be recorded from the terminal 4 to the path of the JPEG encoding circuit 22.

If there is JPEG data to be recorded in step S2, the flow advances to step S3 to write the JPEG data into the memory. Specifically, the JPEG data is written by the memory control circuit 10 into the JPEG data area 25 of the RAM 11 shown in FIG.

In step S4, writing to the disk is O
It is determined whether it is K or not. Specifically, the AUX of the RAM 11
After accessing the blank area of sector 0 of the U-TOC data area 27, a predetermined amount of JPEG data stored in area 2 is transferred to the memory control circuit 10.
To read the MD format encoding circuit 1
2, ACIRC encoding circuit 14, driver circuit 1
It is determined via the magnetic head 8 and the magnetic head 19 whether or not the preprocessing for recording on the optical disk has been completed.

In step S4, writing to the disk is O
If K, the process proceeds to step S5, and AUX U-TOC
The sector 0 is accessed and JPEG data is recorded in the blank area of the JPEG data area (2) 25 indicated by this part. Specifically, while irradiating a laser beam of write power from the optical pickup 17, the RA
A predetermined amount of JPEG data stored in the area 2 of M11 is read by the memory control circuit 10, and
The data is recorded on the optical disk via the MD format encoding circuit 12, the ACIRC encoding circuit 14, the driver circuit 18, and the magnetic head 19.

In step S6, the AUX U-TOC is changed. Specifically, the AUX U-TOC of the RAM 11
AUX U-TO stored in data area 27
C is read out by the memory control circuit 10 and J
By removing the area in which the PEG data is written from the blank area and registering it as picture number 1 of sector 1, the data indicating the blank area is updated and a new AUX U-TOC is stored in the AUX U of the RAM 11.
-Store in the TOC data area 27. Then, the process returns to step S2. In this way, picture numbers 2 to 4 are registered in the following order.

Here, four additional JPEG data (about 68 kbytes, 30 sectors) are recorded on the optical disc, and
The AUX U-TOC information as a result of displaying the first piece at the beginning of the first music piece and associating the remaining three pieces so as to be displayed at equal intervals with respect to the total playing time will be described below. In addition, U-
The TOC is the same as in FIG. 4 described above. In this case, as a method of performing the association, it is an example that the intervals are temporally equal. The method is not limited to this, and another association method may be used. Can be.

FIG. 5 shows an AUX U-TO of this embodiment.
It is a figure showing the sector structure of C sector 0. A in FIG.
The UX U-TOC sector 0 shows the result after the still image of the additional information is recorded.

In FIG. 5, U indicating the sector to be used
The second Sectors 0 (51) is $ 0B, and uses sector 0, sector 1, and sector 3. Note that sectors 0 to 31 can be used, and are used for associating addresses, pieces of music information, performance times, and the like.
P-EMPTY (52) indicating the first unused pointer is $ 02, and the slots 2 and thereafter are unused. P-B indicating the pointer of the start address of the free recording area
LANK (53) is $ 01 and slot 1 (54) is an unused area.

In the slot 1 (54), $ 00F, $ 00, $ 0 indicating the cluster, sector and group as the start address 55, and similarly $ 030, $ 00, $ 0, Link-P ( 57)
$ 00 indicating that there is no connection is recorded. In the initial state, the start address 55 is $ 00B, $ 00, $ 0.

FIG. 6 shows the AUX U-TO of this embodiment.
FIG. 3 is a diagram showing a sector structure of a C sector 1. A in FIG.
The UX U-TOC sector 1 indicates which picture number of a still image as additional information is recorded at which address.

In FIG. 6, First PNO (60) indicating the number of the first still image is $ 01, the first image is recorded, and Last indicating the number of the last still image.
PNO (61) is $ 04, and four sheets are recorded.
P-EMPTY (62) indicating the first unused pointer is $ 05, and the slot 5 and subsequent slots are unused. P-PFRA (63) indicating the pointer of the start address of the free still image recording area is $ 00 and slot 0 (6)
8) is an unused area. P-PNO1 (64) indicating the address of the first picture number 1 is {}.
01 and recorded in slot 1 (69). P-PNO indicating the address of the second picture number 2
2 (65) is $ 02 and is recorded in slot 2 (70). P-PNO3 (66) indicating the address of the third picture number 3 is $ 03 and the slot 3
It is recorded in (71). P-PNO4 (67) indicating the address of the fourth picture number 4 is $ 04 and is recorded in slot 4 (72).

In the slot 0 (68) of the free recording area, a cover picture is recorded as a start address 73, and $ 000, $ 00, $ 0 are recorded as an end address 74, respectively.

In the first slot 1 (69),
$ 00B, $ 00, $ 0 indicating the cluster, sector and group are recorded as the start address 76, $ 00B, $ 1D, $ 0 are similarly recorded as the end address 77, and $ 00, which indicates the reserve as the still picture mode 75, is recorded. I have.

In the second slot 2 (70),
$ 00C, $ 00, $ 0 indicating the cluster, sector and group are recorded as the start address 79, $ 00C, $ 1D, $ 0 are similarly recorded as the end address 80, and $ 00 is also recorded as the still picture mode 78. I have.

In the third slot 3 (71),
$ 00D, $ 00, $ 0 indicating the cluster, sector and group are recorded as the start address 82, $ 00D, $ 1D, $ 0 are similarly recorded as the end address 83, and $ 00 indicating the reserve is recorded as the still picture mode 81, respectively. I have.

In the fourth slot 4 (72),
$ 00E, $ 00, $ 0 indicating a cluster, a sector, and a group are recorded as a start address 85, $ 00E, $ 1D, $ 0 are similarly recorded as an end address 86, and $ 00, indicating a reserve, is recorded as a still picture mode 84. I have.

Next, when the recording of the JPEG data has been completed as described above and there is no JPEG data to be recorded in step S2, the process proceeds to step S7.
The total playing time is calculated from the U-TOC. Specifically, in this case, for example, the total number of sectors is $ 1680.

In step S8, the reproduction interval of the JPEG data is calculated. Specifically, the total number of sectors is divided by the number of JPEG data, and the reproduction interval is $ 5A0 sector ($ 2D cluster).

In step S9, AUX U-TOC is set. Specifically, an offset address of JPEG data indicating an offset from the beginning of each song is set every 2D cluster from the beginning of the first song.

FIG. 7 shows the AUX U-TO of this embodiment.
It is a figure showing the sector structure of C sector 3. A in FIG.
The UX U-TOC sector 3 indicates which picture number of a still image as additional information is recorded at an address offset by how much from the beginning of which song.

In FIG. 7, First TNP (90) indicating the number of the track on which the first still image is recorded is {}.
Last, which indicates the number of the track on which the last still image is recorded since the first image is recorded on track 1
TNP (91) is $ 02 and recorded on track 2. P-EMPTY (9) indicating the first unused pointer
2) is $ 05, and slot 5 and subsequent slots are unused. 1
P-TNP1 (93) indicating the offset address of the picture recorded in the tune is $ 01 and slot 1 (9
Recorded in 5). P-TNP2 (94) indicating the offset address of the picture recorded in the second music is {@}
03 and recorded in slot 3 (97).

In the first slot 1 (95),
$ 000, $ 00, $ 0 indicating the cluster, sector and group as the start offset address 99,
Similarly, $ 00 as the end offset address 100
0, $ 00, $ 0, still picture number 1 (10
$ 01 is recorded as P-PNj indicating 1).

In the second slot 2 (96),
Cluster as the start offset address 103,
{02D, {00,} indicating sectors and groups
0, similarly as $ 0 as the end offset address 104
00, $ 00, $ 0, still picture number 2 (1
$ 02 is recorded as the P-PNj indicating the above (05).

In the third slot 3 (97),
Cluster as the start offset address 107,
{002, {00,} indicating sectors and groups
0, similarly as the end offset address 108, $ 0
00, $ 00, $ 0, still picture number 3 (1
$ 03 is recorded as P-PNj indicating the value of (09).

In the fourth slot 4 (98),
Cluster as the start offset address 111,
{02F, {00,} indicating sectors and groups
0, similarly as $ 0 as the end offset address 112
00, $ 00, $ 0, still picture number 4 (1
$ 04 is recorded as P-PNj indicating 13).

In the first slot 1 (95),
$ 02 is recorded as Link-P (102), indicating that there is a connection with the second slot 2 (96). The third slot 3 (97) has a Lin
$ 04 is recorded as kP (110), indicating that there is a connection with the fourth slot 4 (98).
Therefore, when the first song is being played, the first and second still images are repeatedly displayed on the display unit 23, and when the second song is being played, the third and fourth still images are being played. The images are associated so as to be repeatedly displayed on the display unit 23.

Then, in step S10, the optical disk 2
0 new AUX U-T in AUX U-TOC area
While irradiating the OC with the laser beam of write power from the optical pickup 17, the AUX U
-A new A stored in the TOC data area 27
The UX U-TOC is read by the memory control circuit 10, and the MD format encoding circuit 12, A
The data is recorded on the optical disk via the CIRC encoding circuit 14, the driver circuit 18, and the magnetic head 19.

When the above-described still image data and text data 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 additional information, the text data is input from the key 24 and stored in a designated area of the RAM 11 under 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.

A recording / reproducing apparatus according to the present embodiment is a recording / reproducing apparatus for recording or reproducing information data on a recording medium on which information data is recordable by a recording / reproducing means, which is already recorded on the recording medium. The information data or the additional information data is associated with the additional information data or the information data, or the information data and the additional information data which have already been recorded on the recording medium and are not associated with each other are recorded on the recording medium. Microcomputer 1 as association means for data processing
3. Since the memory control circuit 10 and the RAM 11 are provided, the additionally recorded additional information can be associated with the existing music information, and the additionally recorded music information can be associated with the existing additional information. The U-TOC and AUXU-TOC sectors 0 can associate the existing music information and the additional information that are not yet associated with each other.
By setting and recording arbitrarily using No. to No. 3, it is possible to reproduce the additional information associated with the music information at the time of reproducing the information data and display the additional information on the display unit 23 or the like.

Further, in the recording / reproducing apparatus according to the present embodiment, in the above description, the associating means includes a first recording area in which a plurality of tracks of information data can be recorded, and a first recording area indicating a recording state of the first recording area. Management area, a second recording area in which a plurality of pieces of additional information data can be recorded, a recording state of the second recording area, a track of the additional information data in the second recording area, and a track in the first recording area. Since the management information data of the recording medium having the second management area for recording the related management information data is used, the information data can be related to the track by associating with the second management area. .

In the recording / reproducing apparatus of the present invention, in the above, the associating means includes: an ATRAC data area 26 as a first recording area in which a plurality of tracks of information data can be recorded; U-TOC data area 28 as a first management area indicating a recording state
An AUX data area (JPEG data and text data) 25 as a second recording area in which a plurality of pieces of additional information data can be recorded, the recording state of the second recording area, and additional information in the second recording area The first of the data
Since the above-mentioned association is performed using the management information data of the recording medium having the AUX U-TOC data area 27 as the second management area for recording the management information data related to the track in the recording area of By checking the recording state of the information data from the management area of the second and the management information data of the additional information data and the track from the second management area, there is no need to perform the operation of associating each of the additional information. It is possible to save the operation of associating, for example, associating a plurality of pieces of additional information with one piece of music information by one set of association.

In the recording / reproducing apparatus of the present embodiment, since the additional information data is data relating to a still image and / or a text in the above description, a still image related to the information data, the presence / absence of a still image, the number of still images, Text such as time can be recorded together.

The recording / reproducing method according to the present embodiment is a recording / reproducing method for recording or reproducing information data by a recording / reproducing means on a recording medium on which the information data is recordable. The additional information data or the additional information data is associated with the additional information data or the additional information data, or the information data and the additional information data which have already been recorded on the recording medium and are not associated are recorded on the recording medium. Since the data processing is performed as described above, the additionally recorded additional information can be associated with the existing music information, and the additionally recorded music information can be associated with the existing additional information, In addition, it is possible to arbitrarily set the association between the existing music information that has not been It is thereby possible to play together the additional information associated to suit the time of reproducing the information data in the music of the music information displayed on the display unit 23 or the like.

In the recording / reproducing method according to the present embodiment, in the above description, the association is based on a first recording area in which a plurality of tracks of information data can be recorded and a first recording area indicating the recording state of the first recording area. A management area, a second recording area in which a plurality of pieces of additional information data can be recorded, a recording state of the second recording area, and a track of the additional information data in the second recording area in the first recording area. Since the management information data of the recording medium having the second management area for recording the related management information data is used, the information data can be associated with the track by associating with the second management area.

In the recording / reproducing method of the present embodiment, since the additional information data is data relating to a still image and / or text in the above description, a still image related to information data, the presence / absence of a still image, the number of still images, Text such as time can be recorded together.

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).

[0072]

According to the present invention, there is provided a recording / reproducing apparatus for recording / reproducing information data by a recording / reproducing means on / from a recording medium on which information data is recordable, the information being already recorded on the recording medium. The information data or the additional information data is associated with the additional information data or the information data, or the information data and the additional information data which have already been recorded on the recording medium and are not associated with each other are recorded on the recording medium. The provision of the data processing associating means enables the additional recorded additional information to be associated with the existing music information, and the additionally recorded music information to be associated with the existing additional information. Set and record the association between existing music information and additional information that have not been associated And by an effect that is reproduced together the additional information associated to suit the time of reproducing the information data in the music of the music information can be displayed on the display unit or the like.

Further, in the recording / reproducing apparatus of the present invention, in the above, the associating means includes a first recording area in which a plurality of tracks of information data can be recorded, and a first recording area indicating a recording state of the first recording area. Management area, a second recording area in which a plurality of pieces of additional information data can be recorded, and the recording state of the second recording area and the additional information data in the second recording area in the first recording area. Since the association is performed using the management information data of the recording medium having the second management area for recording the management information data related to the track,
It is necessary to check the recording state of the information data from the first management area and check the management information data of the additional information data and the track from the second management area to perform the operation of associating each of the additional information. Therefore, there is an effect that labor of the association operation can be saved, such as associating a plurality of pieces of additional information with one piece of music information by one set of association.

Further, in the recording / reproducing apparatus of the present invention, since the additional information data is data relating to a still image and / or a text in the above description, a still image related to information data, presence / absence of a still image, the number of still images, It is possible to record such texts together.

The recording / reproducing method of the present invention is a recording / reproducing method for recording or reproducing information data on a recording medium on which information data is recordable by a recording / reproducing means, wherein the information data is already recorded on the recording medium. The information data or the additional information data is associated with the additional information data or the information data, or the information data and the additional information data which have already been recorded on the recording medium and are not associated with each other are recorded on the recording medium. Since data processing is performed, additional recorded additional information can be associated with existing music information,
Further, the additionally recorded music information can be associated with the existing additional information, and further, the association between the existing music information that has not been associated and the additional information can be arbitrarily set and recorded, so that the information data can be recorded. There is an effect that the additional information associated with the tune of the music information at the time of reproduction can be displayed by also reproducing and performing display processing.

Further, in the recording / reproducing method of the present invention, in the above description, the association is a first recording area where a plurality of tracks of information data can be recorded, and a first recording area indicating a recording state of the first recording area. A management area, a second recording area in which a plurality of pieces of additional information data can be recorded, a recording state of the second recording area, and additional information data in the second recording area.
The association is performed using the management information data of the recording medium having the second management area for recording the management information data related to the track in the first recording area.
By checking the recording state of the information data from the management area of the second and the management information data of the additional information data and the track from the second management area, there is no need to perform the operation of associating each of the additional information. , 1 in a set of associations
This has the effect of saving labor of associating operations, such as associating a plurality of pieces of additional information with music information of a song.

Further, in the recording / reproducing method of the present invention, in the above description, since the additional information data is data relating to a still image and / or text, a still image related to information data, the presence / absence of a still image, the number, It is possible to record such texts together.

[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 an association operation according to the embodiment of the present invention.

FIG. 4 is a diagram showing a sector structure of a U-TOC sector 0 according to the embodiment of the present invention.

FIG. 5 is a diagram showing a sector structure of AUX U-TOC sector 0 according to the embodiment of the present invention.

FIG. 6 is a diagram showing a sector structure of an AUX U-TOC sector 1 according to the embodiment of the present invention.

FIG. 7 is a diagram showing a sector structure of an AUX U-TOC sector 3 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, 30 First TNO, 31 last
TNO, 32 ... P-EMPTY, 33 ... P-FR
A, 34 ... P-TNO1, 35 ... P-TNO1, 3
6 Slot 1, 37 Slot 2, 38 Slot 3, 39, 43, 47 Start addre
ss, 40, 44, 48 ... End address,
41, 45, 49 ... Trackmode, 42, 4
6, 50 Link-P, 51 Used Sec
tors0, 52 ... P-EMPTY, 53 ... PB
LANK, 54 ... Slot 1, 55 ... Start
address, 56 ... End address, 5
7 Link-P, 60 First PNO, 6
1 ... Last PNO, 62 ... P-EMPTY, 6
3 ... P-PFRA, 64 ... P-PNO1, 65 ...
P-PNO2, 66 ... P-PNO3, 67 ... PP
NO4, 68 ... slot 0, 69 ... slot 1, 7
0 ... slot 2, 71 ... slot 3, 72 ... slot 4, 73, 76, 79, 82, 85 ... Start
address, 74, 77, 80, 83, 86 ...
End address, 75, 78, 81, 84 ...
S. Pict. mode, 90 ... First TN
P, 91 ... Last TNP, 92 ... P-EMPT
Y, 93 ... P-TNP1, 94 ... P-TNP2, 9
5 slot 1, 96 slot 2, 97 slot 3, 98 slot 4, 99, 103, 107,
111 Startsddress, 100, 10
4, 108, 112... Endaddress, 10
1, 105, 109, 113 ... P-PNOj, 10
2, 106, 110, 114 ... Link-P

Continued on the front page (72) Inventor Tsutomu Harada 6-7-35 Kita Shinagawa, Shinagawa-ku, Tokyo Sony Corporation F-term (reference) 5C052 AA03 AA17 AB04 AB05 AB09 CC06 CC11 CC12 DD06 DD10

Claims (6)

[Claims] 1. A recording / reproducing apparatus for recording / reproducing information data by a recording / reproducing means on / from a recording medium on which information data is formatted so as to be recordable. Associating means for associating information data or information data, or associating information data and additional information data already recorded on the recording medium and not associated with each other, and recording the information on the recording medium, A recording / reproducing apparatus characterized in that: 2. The recording / reproducing apparatus according to claim 1, wherein the associating means includes a first recording area in which a plurality of tracks of information data can be recorded, and a first recording area indicating a recording state of the first recording area. A management area, a second recording area in which a plurality of pieces of additional information data can be recorded, and a recording state of the second recording area and the additional information data in the second recording area in the first recording area. A recording / reproducing apparatus, wherein the association is performed using management information data of the recording medium having a second management area for recording management information data related to a track. 3. The recording / reproducing apparatus according to claim 1, wherein said additional information data is data relating to a still image and / or text. 4. A recording / reproducing method for recording / reproducing information data by a recording / reproducing means on a recording medium on which the information data is recordable, wherein the information data is added to the information data or the additional information data already recorded on the recording medium. Data processing in which the information data or the information data is associated, or the information data and the additional information data which have already been recorded on the recording medium and are not associated are associated with each other, and are recorded on the recording medium. Characteristic recording / reproducing method. 5. The recording / reproducing method according to claim 4, wherein the association includes a first recording area in which a plurality of tracks of information data can be recorded and a first management indicating a recording state of the first recording area. An area, a second recording area in which a plurality of pieces of additional information data can be recorded, a recording state of the second recording area, and a track in the first recording area of the additional information data in the second recording area Recording / reproducing, wherein the association is performed using management information data of the recording medium having a second management area for recording management information data related to the recording medium. 6. A recording / reproducing method according to claim 4, wherein said additional information data is data relating to a still image and / or text.