JPH08180647A - Disk recording device - Google Patents

Abstract

PURPOSE: To collectively synthesize a single track from plural tracks by specifying start and end tracks of the plural tracks which are to be synthesized and rewriting the control information in the control information region of a disk shaped recording medium. CONSTITUTION: During the recording of a music, un-recorded regions on a magneto-optical disk is detected from a UTOC region UT in which control information such as start and end addresses of the tracks in a program region PA and audio data are recorded in the un-recorded region. During a reproducing, the recorded region of the reproducing music is detected from the control information of the region UT, an access is made to the recorded region and a reproducing is conducted. A random access is easily made on a recording capable disk shaped recording medium and no need to record plural musics in an orderly manner starting from the first track of the disk inner peripheral and the plural musics are correctly reproduced even though they are discontinuously recorded in separate locations, if the address control is properly made. Please note that the information in the region UT is rewritten every time data recording, erasing and editing of the region PA are made.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc recording apparatus having a function of editing data for each track recorded on a disc-shaped recording medium having management information for managing data in track units.

[0002]

2. Description of the Related Art At present, as a medium for recording audio data such as music and voice, a disk-shaped recording medium, more specifically, a laser beam is irradiated to thermomagnetically record a signal, and an optical signal is recorded. Data rewritable magneto-optical (Magnet-Optic) in which signals are magnetically reproduced.
al) discs are known.

In a recording device using this magneto-optical disk, audio data is recorded in track units indicating a group of audio data. Specifically, when recording the contents of a meeting, or recording analog audio data such as recording voice or music from a radio, a preset fixed recording time or a fixed time is set. By detecting a silent portion, so-called track marking is performed to specify track boundaries in the recorded audio data, and recording is performed while dividing into track units. Further, when recording digital audio data reproduced from a compact disc, a so-called CD, which is a disc-shaped recording medium and is an optical disc for optically recording and reproducing signals, audio data is recorded as necessary. Recording is done by dividing into tracks.

When recording audio data in this recording apparatus, a track may be formed at a position different from a position desired by the user to form a track. In this case, therefore, the track is formed after the audio data is recorded. It is necessary to edit the tracks that have been edited. At this time, in the conventional recording apparatus, the mark erasing process for erasing the track marking between two adjacent tracks is performed, and then the synthesizing process for synthesizing into one track, that is, the so-called combine process is performed. ing.

[0005]

By the way, in the above-mentioned recording apparatus, three consecutive operations are performed by one processing operation.
The combine process of combining two or more tracks into one track cannot be performed. Specifically, for example, when synthesizing continuous audio data such as a piece of music divided into n tracks as one track, it is necessary to perform n-1 times of combine processing operation, and the operation is complicated. there were.

In view of the above situation, it is an object of the present invention to provide a disk recording apparatus which can easily combine a plurality of continuous tracks into one track.

[0007]

DISCLOSURE OF THE INVENTION In a disc recording apparatus according to the present invention, when three or more tracks are linked to compose one track, a track designation for designating a start track and an end track of the tracks to be synthesized. Means for solving the above problems are provided by including means and control means for rewriting the management information so as to connect one or a plurality of tracks between the start track and the end track designated by the track designating means.

Further, the link information indicating the coupling state between the tracks in the track address designation table of the management information is rewritten to connect the tracks, wherein the plurality of tracks are recorded at the time of data recording. It is characterized in that it is automatically formed every time a silent portion is detected for a predetermined time set in advance.

[0009]

According to the present invention, a start track and an end track of a plurality of tracks to be combined are designated and the management information in the management information area of the disk-shaped recording medium is rewritten, so that the plurality of tracks are collectively processed. It can be combined into one track.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic configuration of a recording / reproducing apparatus having the configuration of the disc recording apparatus according to the present invention.

Here, in the recording / reproducing apparatus of this embodiment,
As a recording medium, a magneto-optical (Magneto-Optical) disk in which data can be rewritten by irradiating a laser beam to record and reproduce a signal thermomagnetically is used.

This recording / reproducing apparatus reads a recording signal on a magneto-optical disk and decodes it, and also encodes an input digital signal to record it on a magneto-optical disk. Processing unit 1
The audio signal input / output unit 30 which converts the reproduced audio data from 0 into an analog signal and outputs the analog signal, and which inputs the audio data and sends the audio data to the signal processing unit 10 and the signal processing unit 10 are controlled. , A system unit 50 for selecting each mode such as reproduction of audio data, recording, and editing, and displaying the current operating state of the recording / reproducing apparatus.
Consists of

The magneto-optical disk 11 of the signal processing unit 10
Are driven to rotate by the spindle motor 12. When recording and reproducing a signal on the magneto-optical disk 11, a laser beam is emitted from the optical head 13. Specifically, a high-level laser output for heating a recording track to the Curie temperature is used during signal recording, and a relatively low-level laser output for detecting data from reflected light by the magnetic Kerr effect during signal reproduction. Output.

Therefore, the optical head 13 is equipped with a laser diode as a laser output means, an optical system including a deflecting beam splitter, an objective lens and the like, and a detector for detecting reflected light. Objective lens 13a
Are held by the so-called biaxial device 14 in the radial and vertical distances of the magneto-optical disk 11.

Further, the magneto-optical disk 11 has a magnetic head 16 for applying a magnetic field modulated by the supplied data to the magneto-optical disk.
It is arranged at a position facing the optical head 13 with the lens sandwiched therebetween. The optical head 13 and the magnetic head 16 are movable in the disk radial direction by a sled mechanism 15.

During signal reproduction, the information signal detected from the magneto-optical disk 11 by the optical head 13 is supplied to the RF amplifier 17. The RF amplifier 17 extracts the reproduction RF signal, the tracking error signal, the focus error signal, the absolute position information, the address information, etc. by the arithmetic processing of the supplied information. The extracted reproduction RF signal is sent to the encoder / decoder 18, and the tracking error signal and the focus error signal are sent to the servo circuit 19.
The address information is supplied to the address decoder 20. The absolute position information recorded on the magneto-optical disk 11 as a pre-groove is the system controller 5 including, for example, a microcomputer.
1 is supplied.

The servo circuit 19 generates various servo drive signals based on the supplied tracking error signal and focus error signal, a track jump command, a seek command from the system controller 51, and rotational speed detection information of the spindle motor 12. 2 axis device 1
4 and the sled function 15 are controlled to perform focus and tracking control, and the speed of the spindle motor 12 is controlled to a constant angular velocity (CAV) or a constant linear velocity (CLV).

In the encoder / decoder 18, the reproduced RF signal sent is subjected to demodulation processing corresponding to 8-14 modulation (EFM), and CIRC (Cross Interleave Reed) is performed.
-After decoding processing using an error correction code such as Solomon Code), a buffer RAM (Random Access) that is a readable / writable memory is read by the memory controller 22.
Memory) 23 is once written.

After that, the data written in the buffer RAM 23 is read out and supplied to the audio compression / decompression encoder / decoder section 24. The audio compression / decompression encoder / decoder unit 24 outputs a digital signal by performing an audio decompression process corresponding to the audio compression process on the supplied data.

The output digital audio signal is D / A
After being converted into an analog signal by the (digital / analog) converter 36 and passed through the preamplifier 37, the line output terminal 43 outputs the line. Also, the above preamplifier 3
The volume of the signal from 7 is adjusted by the volume 38, and the sound is output from the speaker device 40 via the power amplifier 39, or is output to the headphones from the headphone output terminal 42 via the headphone amplifier 41.

Further, the address information and the sub-code data which is the control operation information output from the address decoder 20 is supplied to the system controller 51 through the encoder / decoder section 18 and used for various control operations.

The system controller 51 outputs a control signal for controlling the operation of the laser diode in the optical head 13, and this control signal controls the output of the laser diode to be turned on / off, and at the time of on-control, The reproduction output, which has a relatively low level of laser power, and the recording output, which has a relatively high level, are switched.

At the time of signal recording, a signal is recorded by using an analog signal from an audio code connected to the analog signal input terminals 34 and 35 and a digital signal from an audio optical cable connected to the optical digital input terminal 33. It's working. One of the analog signals input from the analog signal input terminals 34 and 35 is switched and selected by the signal switch 32 and converted into a digital audio signal by the A / D (analog / digital) converter 31. Audio compression / decompression encoder / decoder unit 24
Is supplied to. The digital signal from the optical digital input terminal 33 is directly supplied to the audio compression / decompression encoder / decoder section 24.

The audio compression / decompression encoder / decoder unit 24 performs audio compression encoding processing on the input digital audio signal. The voice-compressed recording data is once written in the buffer RAM 23 by the memory controller 22, is also read at a predetermined timing, and is sent to the encoder / decoder unit 18. Then, the data sent to the encoder / decoder unit 18 is subjected to CIRC encoding processing and EFM modulation, and then supplied to the magnetic head drive circuit 21 as recording data.

The magnetic head drive circuit 21 supplies a magnetic head drive signal to the magnetic head 16 according to the supplied recording data. As a result, an N or S magnetic field is applied from the magnetic head 16 to the magneto-optical disk 11. At this time, the system controller 51 also supplies a control signal to the optical head 13 so as to output a laser beam of a recording level.

The input unit 5 in the system block 50
2 is provided with a key for a user's operation. The user operates the keys of the input unit 52 to reproduce, record,
By setting each mode such as various edits, the operation signal of each mode is sent to the system controller 51. In this system controller 51, the optical head 13, the servo circuit 19, the RF amplifier 17, the encoder / decoder unit 18,
The memory controller 22 and the audio compression / decompression encoder / decoder unit 24 are controlled.

The display section 53 displays the operation state input from the input section 52 and the operation state and information of the recording / reproducing apparatus by the control signal sent from the system controller 51.

FIG. 2 shows a schematic block diagram of the input section 52 and the operation section 53 of the recording / reproducing apparatus.

As shown in FIG. 2, the recording / reproducing apparatus described above includes a display panel section 1 for displaying the operating state of the recording / reproducing apparatus and the operating state operated by the user, and the magneto-optical disk 1 described above.
1. A recording (REC) key 2 for recording a signal on 1 and a TOC to be described later recorded on the magneto-optical disk 3.
(Table Of Contents) TOC edit (TOC EDIT) key 3 for editing information, the magneto-optical disk 11
A playback / pause key 4 having a pause function for temporarily stopping the signal reproduction and reproduction operation, a stop key 5 for stopping the signal recording / reproducing operation, and reproducing the audio data for a predetermined time from the beginning of the track. A reverse automatic scan key 6 and a forward cue key 7 used when cueing a track, an enter key 8 for confirming settings in each operation, and for invalidating various operations. A cancel key 9 is provided.

By operating various operation modes such as recording or reproducing operation and TOC editing using these keys, this operation information is sent to the system controller 51 of FIG. 1 and displayed by the system controller 51. The operation state, the operation state, the song number, etc. input by the command are displayed on the display panel section 1. Since the display panel unit 1 requires a certain display capability, that is, resolution, it is preferable to use a liquid crystal display tube, a fluorescent display tube, or the like.

Next, FIG. 3 is a sectional view of the magneto-optical disk.
Shown in

As shown in FIG. 3, the magneto-optical disc comprises disc type of the magneto-optical disc and management information recorded in advance such as start address of each area described later, that is, PTOC (Premastered TOC). The information area IA includes a lead-in area LIA, a recordable area RA for recording and reproducing signals, and a lead-out area LOA. Also,
The recordable area RA is a program area PA for recording audio data, and the program area P.
It is composed of a UTOC (User TOC) area UT in which management information of audio data recorded in A is recorded. This UTO
In the C area UT, information for managing an area where data is recorded in the program area PA and an unrecorded area, specifically, a start address and an end address of a track are recorded, and in the program area PA. The information in the UTOC area UT is rewritten each time data is recorded, erased, edited, or the like.

Then, for example, when recording music,
An unrecorded area on the magneto-optical disk is detected from the UTOC area UT, and audio data is recorded in this unrecorded area. Also, when playing music,
The area where the music to be played is recorded is the UTOC area U
Detected from the management information of T, the detected area is accessed to perform the reproducing operation.

In this recordable disc-shaped recording medium such as a magneto-optical disc, random access is extremely easy as compared with a tape-shaped recording medium such as a compact cassette tape. Therefore, it is not necessary to record a plurality of songs in order from the first track from the inner circumference side to the outer circumference side on the disc. That is, regardless of the order of the songs,
Even if each music piece is recorded discontinuously at physically distant positions, a plurality of music pieces can be reproduced in the correct order as long as the address at which each music piece is recorded is managed.

Further, for example, one track, that is, a piece of music does not need to be recorded by consecutive segments indicating physically physically recorded data, and a plurality of discretely recorded data are recorded on the disc. There is no problem even if the data is divided into the segments and recorded.

When recording and erasing music on the magneto-optical disk repeatedly, empty areas on the tracks are irregularly generated due to the difference in playing time of the music to be recorded and erased. By performing such discrete recording, it becomes possible to record, for example, a musical piece having a playing time longer than that of the erased musical piece by utilizing the erased portion, and repeating recording and erasing of the musical piece. Therefore, the recording area is not wasted.

Next, a concrete structure of the UTOC area is shown in FIG.

FIG. 4 shows one sector of the UTOC area,
In particular, the structure of sector 0 is shown. Mainly, management information about the music recorded by the user and an unrecorded area in which a new music can be recorded is recorded.

One sector of the UTOC area is composed of a header HD, a correspondence table instruction data part RT, and a management table part ST.

The header HD is a 12-byte synchronization signal, a 2-byte cluster number CLH, CLL, which is the minimum recording unit of this magneto-optical disk, a 1-byte sector number in this cluster, and a 1-byte signal. It consists of a mode that indicates the state of recording. After the header HD, a 12-byte predetermined address position, a 1-byte manufacturer code MKC, a 1-byte model code MDC, and a 1-byte start song number FTNO indicating the song number of the first song,
Final song number LTN indicating the song number of the last song of 1 byte
O, 11-byte sector usage status, 1-byte disk serial number DSNO are recorded.

Thereafter, the correspondence table instruction data section R
As T, a 2-byte disc identification number DID, and various tables for identifying an area of music recorded and recorded by the user, an unrecorded area, and the like by associating with a management table unit ST described later. As pointers, P-DFA, P-EMPTY, P-FRA, P-T
An area is provided in which each of NO1 to P-TNO255 is recorded by one byte.

Then, the correspondence table instruction data section R
The management table portion ST corresponding to the table pointers P-DFA to P-TNO255 of T is 01h to FFh.
Up to 255 parts tables are provided. In each of the parts tables described above, a start address SA and an end address EA, which are starting points for a segment indicating a 3-byte physically continuous data area, and 1-byte mode information of this segment, a so-called track mode. TM is recorded. Further, in sector 0 of the UTOC area, 1 byte of link information LI indicating a parts table in which the start address SA and the end address EA of the segment indicated by each parts table are recorded.

That is, in this recording / reproducing apparatus, even if the audio data of one song is recorded physically discontinuously, that is, over a plurality of segments, the audio data is reproduced while accessing between the segments. As a result, there is no hindrance to the reproduction operation, so that the music recorded by the user may be divided into a plurality of segments and recorded in order to efficiently use the recordable area. For this purpose, the link information LI is provided. For example, the parts tables can be connected by designating the parts tables to be connected by the numbers 01h to FFh given to the respective parts tables.

In other words, in the management table section ST, one part table represents one segment, and for example, for a piece of music constituted by connecting three segments, that is, a track, the link information LI is set.
The position of the segment is managed by the three part tables connected by.

In the track mode TM, information as to whether the segment is set to overwrite (overwrite) prohibition or data copy prohibition and whether it is audio data, monaural / stereo type, etc. Is recorded.

01h-in the management table section ST
Each part table up to FFh has table pointers P-DFA and P- in the corresponding table instruction data portion RT.
EMPTY, P-FRA, P-TNO1 to P-TNO2
The contents of the segment are indicated by 55 as follows.

The table pointer P-DFA is shown for the defective area on the magneto-optical disk, and is one part table or a plurality of parts tables in which the track portion, that is, the segment, which becomes the defective area due to scratches or the like, is indicated. The top parts table in is specified. That is, when there is a defective segment, the table pointer PD
In the FA, any one of 01h to FFh is recorded, and the defective segment is indicated by the start address and the end address in the parts table corresponding thereto. If another defective segment exists, another part table is designated as the link information LI in the part table, and the defective segment is also shown in the part table. If there is no other defective segment, the link information LI is
For example, it is set to 00h, and thereafter there is no link.

The table pointer P-EMPTY indicates a head part table of one or a plurality of unused part tables in the management table section ST, and when there is an unused part table, the table pointer P-EMPTY. Any one of 01h to FFh is recorded as EMPTY. When there are a plurality of unused parts tables, the parts table is sequentially specified by the link information LI from the parts table specified by the table pointer P-EMPTY, and all the unused parts tables are managed table parts. Connected on ST.

The table pointer P-FRA indicates an unrecorded area including a writable erasing area of data on the magneto-optical disk, that is, a free area, and a segment which is a track portion to be a free area is shown. The top part table in one or more part tables is specified. That is, when there is a free area, 01h to FFh is set in the table pointer P-FRA.
Is recorded, and a segment which is a free area is indicated by a start address SA and an end address EA in the parts table corresponding thereto. If there are a plurality of such segments, that is, if there are a plurality of parts tables, the link information LI
Thus, the parts table in which the link information LI is 00h is sequentially specified.

Here, FIG. 5 schematically shows the management state of the segments that are free areas in the parts table. In FIG. 5, five segments 03
When h, 18h, 1Fh, 2Bh, and E3h are free areas, the table pointer P-FRA in the corresponding table instruction data portion RT indicates 03h, and following the table pointer P-FRA, the parts table 0
3h, 18h, 1Fh, 2Bh, and E3h are represented by links. The defective area and the management status of the unused parts table are the same as the management status shown in FIG.

If the data such as music is not recorded at all and the magneto-optical disk has no defect, the parts table 01h is designated by the table pointer P-FRA. This indicates that the entire program area PA of the magneto-optical disk is an unrecorded area, that is, a free area. In this case, the remaining part tables 02h to FFh are not used, so the table pointer P-EMPT is not used.
The part table 02h is designated by Y, the part table 03h is designated as the link information LI of the part table 02h, and the part table 04h is designated as the link information LI of this part table 03h. In this way, the parts table FFh is linked by the link information LI. In this case, the link information LI of the parts table FFh is set to 00h indicating that there is no link thereafter.

At this time, for the parts table 01h, the program area P is set as the start address SA.
The start address of A is recorded, and the address immediately before the start address of the lead-out area LOA is recorded as the end address EA.

Table pointers P-TNO1 to P-TN
Reference numeral O255 indicates a piece of music recorded by the user on the magneto-optical disk. For example, the table pointer P
-The TNO1 designates the parts table in which the segment that is the first in time among the one or a plurality of segments in which the data of the first music piece is recorded is indicated.

For example, when the track designated as the first song is recorded on the magneto-optical disk without dividing the track, that is, by one segment, the recording area of the first song is the table pointer P-TNO1. It is recorded as a start address and an end address in the parts table shown by.

Further, for example, when the second music piece is discretely recorded in a plurality of segments on the magneto-optical disk, each segment is temporally recorded to indicate the recording position of the music piece. Specified according to the order. That is,
Similar to the linked state shown in FIG. 5, the table pointer P-
From the parts table designated by TNO2, further parts tables are designated by the link information LI in order of temporal order, and the parts table is linked to link parts LI of 00h.

Thus, for example, since all the segments in which the data making up the second music is recorded are sequentially designated and recorded, the data of the sector 0 of the UTOC area UT is used to reproduce the second music or Audio data is overwritten in the audio data recording area of the second song, that is, continuous audio data is taken out from discrete segments when overwriting, or recording is performed efficiently using the recording area. It becomes possible.

As described above, management of the music pieces and unrecorded areas recorded in the program area PA on the magneto-optical disk of FIG. 3 is performed by the information of the UTOC area UT. Also, by rewriting the information in the UTOC area UT,
It is possible to perform division (divide) processing and composition (combining) processing of music.

Next, a general combine processing operation will be described with reference to FIGS. 6, 7, and 8.

The combine processing operation is a processing operation for releasing a break of a track composed of a certain piece of music or the like at a so-called division position to connect pieces of music, and a buffer RAM.
The process of rewriting the data in the UTOC area read in and the combine process operation are displayed.

Here, when recording, for example, an analog audio signal continuously on a magneto-optical disk, recording is performed while performing so-called track marking by a certain time interval, detection of a silent portion, or user's key operation.
When this track marking is performed, the start address is written in the unused parts table in the management table section. At this time, the end table value and the link information value 00h indicating that there is no link thereafter are written in the parts table for the track or segment currently recording data. This forms a track.

In this way, when the track marking is performed, the start address of the track is written. For example, as shown in A of FIG. 6, music pieces M _{1 to} M ₅ are recorded on the magneto-optical disk. In the recorded state, the vicinity of the start address of each music or the end address of the next music corresponds to the marked position.

At the time of reproducing the end portion (near the end address of the segment M _{2 (2))} of the music M ₂ shown as the marking TM ₂ when reproducing the data of the magneto-optical disk shown in FIG. 6A. in, and releases the marking TM _2, when connecting the music M ₂ and the music M ₃ are, as shown in B of FIG. 6, the segment M _{2 (2)} and the music M ₃ of the music M ₂ Are connected, and the music piece M ₃ becomes a segment M _{2 (3)} . At this time, as shown in A of FIG. 6, the music M ₄ which was the fourth music and the fifth music before the combine processing operation was performed.
And the song M ₅ are the song M ₃ and the song M _{4 of the 3rd} and 4th songs, by connecting the 3rd song to the 2nd song.
It is said.

Part of the data in the UTOC area before the combine processing operation is as shown in FIG. 7, and part of the data in the UTOC area after the combine processing operation is as shown in FIG.

Specifically, the table pointer P- in FIG.
In the parts table 04h shown by TNO3, the third
Although A ₂₄ was recorded as the start address SA and A ₃₂ was recorded as the end address EA of the tune M ₃ of the tune, since the segment of the third tune is linked to the second tune,
The parts table 04h is a table pointer P-TNO2.
Will be incorporated into the link starting from. That is, as shown in FIG. 8, the link information LI of the part table 03h that represents a segment M ₂ music M _{2 (2)} is a '04h', part tables from the table pointer P-TNO2 02h → 03h → A link structure of 04h is formed. As a result, the second piece of music and the third piece of music are linked and managed as one new piece of music M ₂ .

Also, since the track number of the fourth piece of music M ₄ in FIG. 6A is moved down by the combine processing operation to become the third piece of music, the numerical value written in the table pointer P-TNO4 until then. 07h is written in the table pointer P-TNO3, and the parts table 07h is indicated by the table pointer P-TNO3 in FIG. That is, A _{33 to} A indicated as the start address SA and the end address EA in the parts table 07h.
_{The 25} segments are newly managed as the third song M ₃ .

Similarly, the track number of the musical piece M ₅ which was the _fifth musical piece in A of FIG. 6 is moved down to the fourth musical piece by the combine processing operation, and thus the musical piece M ₅ is written in the table pointer P-TNO 5 until then. The numerical value 05h is written in the table pointer P-TNO4, and the parts table 05h is written in the table pointer P-TNO4 in FIG.
Is shown. That is, the segment from the address value A ₂₈ of the start address SA to the address value A ₂₉ of the end address EA shown in the parts table 05h is newly managed as the fourth music M ₄ .

Since the fifth piece of music M ₅ is lost, the table pointer P-TNO ₅ is set to “00h”.

In this combine processing operation, two music pieces, that is, two tracks can be connected. However, when connecting three or more tracks, two adjacent music pieces can be connected.
Since the combine processing operation for connecting one track is performed plural times, the processing operation becomes complicated. On the other hand, in the recording / reproducing apparatus of the above-mentioned embodiment, the combine process of connecting three or more tracks or segments is performed.

Here, a flowchart of the procedure of the combine processing operation of a plurality of tracks is shown in FIG. 9 and will be described below. In this combine processing operation, it is assumed that tracks are created physically continuously and one track is composed of one segment.

First, in step S1, the user operates the TOC EDIT key 3 shown in FIG. 2 to set the edit mode to the mark erase mode and enter the mark erase mode.

Here, for example, in FIG. 10A, markings TM ₁ , TM ₂ , ... Obtained by performing track marking during the data recording operation are shown. Actually, in the marking operation, the value of the end address is written in the parts table of the management table portion in the UTOC area, which is the management information of the track, and the value of 00h is written as the link information. The marking operation is performed automatically or by a user's key operation. In this way, by dividing the data into tracks, for example, tracks M ₁ , M ₂ , ..., M ₉ ,.

Next, in step S2, a rehearsal reproduction operation for automatically performing a reproduction operation for a fixed time is performed from the _first track M ₁ . The above tracks M ₁ , M ₂ ,
, M ₉ , ..., As shown in FIG. 10B, first, from the head of the first track M ₁ to the optical head 13 of FIG. By moving, a voice reproduction operation is performed.

Here, FIG. 11 shows a part of the data in the UTOC area before the combine processing operation when one piece of music is recorded up to the track M ₉ .

Table pointers P-TNO1 to P-TN
Parts table 01h to 09h are shown up to O9. Further, the parts tables 01h to 09h are independent and are not connected to other parts tables.

Next, in step S3, the user inputs the forward cueing key 7 shown in FIG. 2 during the rehearsal reproduction operation to perform the combine process and select the start track. Further, in step S4, it is determined whether or not the correct start track is selected. If it is determined that the correct start track has been selected, the enter key 8 of FIG. 2 is input in step S6. As a result, the selection of the start track is completed, and the rehearsal reproduction operation is started from the track next to the selected start track.
Further, in step S7, the start address of the start track is stored, and the display panel unit 1 of FIG. 2 switches to the display of the end track.

For example, when the track M ₃ is used as the start track, as shown in C of FIG.
_When the cue key 7 is input during the rehearsal reproduction operation of the audio data at the position indicated by the arrow TK of ₃ and the selection of the start track is determined by the enter key 8 of FIG. 2, as shown in D of FIG. , Start track M ₃ having start address SA ₃ for combine processing
Is stored and the rehearsal reproduction of the audio data at the position indicated by the arrow TK of the track M ₄ is performed.

However, if it is determined in step S4 that the start track has not been correctly selected, the process proceeds to step S5, the cancel key 9 in FIG. Key 6
Alternatively, the forward cue key 7 is input to select the start track.

After that, the process proceeds to step S8, and during the rehearsal reproduction operation, the forward cue key 7 in FIG. 2 is input to select the end track for the combine processing.
For example, when the track M ₇ is the end track, the arrow TK of the track M ₇ is shown as indicated by E in FIG.
During the rehearsal reproduction operation of the audio data at the position indicated by, the cue key is input.

Further, in step S9, it is determined whether or not the correct start track is selected. If it is determined that the correct start track is selected, step S11
Then, the enter key 8 of FIG. 2 is input. As a result, the selection of the end track is completed and the track to be connected is determined, and the repeat reproduction is performed with the combined track as one track.

However, if it is determined in step S9 that the end track has not been correctly selected, the process proceeds to step S10 and the cancel key 9 shown in FIG. Key 6
Alternatively, the forward search key 7 is input to select the end track.

When the selection of the end track is completed in step S11, the values of the selected start track and end track are displayed in step S12, and an audio signal such as a performance is output. Then, in step S13, the user inputs the enter key 8 in FIG. 2 to rewrite the information in the memory as if the Markins TM _{3 to} TM ₆ of the tracks M _{3 to} M ₆ were erased, and In S14, the information of the parts table of the management table section in the UTOC area is rewritten using the above rewritten information.

For example, in step S13, as shown in F of FIG. 10, the start address SA ₃ and the end address E of the track synthesized by the combine processing operation are combined.
By being determined as A ₇ , in step S14,
The information in the UTOC area is rewritten so that the tracks M _{3 to} M ₇ are connected and combined into one track as the track M ₃ . The information in the UTOC area of the tracks M ₈ and M ₉ is rewritten as the tracks M ₄ and M ₅ .

Here, the UTOC after the combine processing operation is performed.
FIG. 12 shows part of the area data.

Table pointers P-TNO1 and P-TN
For O2 and P-TNO3, as in the case before the combine processing operation, the parts table 0 indicating the tracks M ₁ , M ₂ , and M ₃ is used.
The values of 1h, 02h, 03h are written. At this time, the link information LI of the parts table 03h indicated by the table pointer P-TNO3 indicates the parts table 04h, the link information of the parts table 04h indicates the parts table 05h, the link information of the parts table 05h indicates the parts table 06h, The link information of the parts table 06h indicates the parts table 07h, and the link information of the parts table 07h is written with "00h" indicating that there is no subsequent link. As a result, the newly synthesized track M ₃ is stored in the parts table 03h.
It is shown that it is composed of data from A ₂₄ indicated by the start address SA of A to A ₃₃ indicated by the end address EA of the parts table 07h.

The track M ₈ which was the 8th song is
Since the track number is rolled down to the fourth song by the combine processing operation, the numerical value 08h previously written in the table pointer P-TNO8 in FIG. 11 is written in the table pointer P-TNO4, and the table is displayed as shown in FIG. Parts table 08 for pointer P-TNO4
h is indicated. That is, the segments A _{34 to} A ₃₅ indicated as the start address SA and the end address EA in the parts table 08h are newly managed as the track M ₄ .

Similarly, the track M, which was the ninth music,
_{In the case of 9} , the track number is rolled down to the fifth song by the combine processing operation, so the numerical value 09h previously written in the table pointer P-TNO9 is written in the table pointer P-TNO5, and as shown in FIG. Parts table 09h for the pointer P-TNO5
Is shown. That is, the segment from the address value A ₃₆ of the start address SA to the address value A ₃₇ of the end address EA shown in the parts table 09h is newly managed as the track M ₅ .

Since the tracks after the track M ₅ are lost, the table pointer P-TNO6 is set to "00h".

Further, the above-described combine processing operation is performed by automatic time marking in which a marking position is automatically set at predetermined time intervals during voice recording to perform track division, and a preset constant time operation is performed. By combining this with the auto-marking function of auto-space marking, which automatically sets the marking position for each silent time and divides the track, it is possible to perform highly flexible editing operations with simpler operations.

Specifically, the system is such that when the analog audio signal from the analog source is recorded, recording is performed by the automarking function, and after the recording is completed, the combine processing operation described above is automatically performed. For example, when a music piece is recorded, the user skips and listens to the tracks that are finely divided, combines the tracks of the same music piece into one track, and the unnecessary portion recorded between the music pieces is also one track. Summarize as. In this way, after the whole track is edited by the combine processing, unnecessary tracks are erased. Such an editing operation is particularly effective for editing after the air check and editing after recording the conference content.

[0090]

As is apparent from the above description, the disc recording apparatus according to the present invention is such that, when three or more tracks are connected and one track is combined, the start track and the end of the tracks to be combined. By including track specifying means for specifying a track and control means for rewriting the management information so as to connect one or a plurality of tracks between the start track and the end track specified by the track specifying means. Since a plurality of tracks can be collectively connected, the track synthesizing process which is frequently used can be easily performed in the edit mode using the information of the TOC area. Further, when editing a track on a disc recorded by using various track division methods, the procedure of editing operation can be reduced.

Further, by rewriting the link information indicating the connection state between the tracks in the track address designation table of the management information and connecting the tracks, a plurality of tracks divided into continuous data segments can be obtained. High-speed synthesis processing can be performed even when a plurality of units are connected.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of a recording / reproducing apparatus having a configuration of a disc recording apparatus according to the present invention.

FIG. 2 is a diagram showing a configuration of a display unit and an input unit.

FIG. 3 is a sectional view of a magneto-optical disk.

FIG. 4 is a diagram showing a specific configuration of a UTOC area.

FIG. 5 is a diagram for explaining a management state of segments.

FIG. 6 is a diagram for explaining a conventional combine process.

FIG. 7 is a UT before performing a combine process described in FIG. 6;
It is a figure which shows one Example of the data structure of OC area.

FIG. 8 is a diagram illustrating U after performing a combine process described in FIG.
It is a figure which shows one Example of the data structure of a TOC area | region.

FIG. 9 is a flowchart showing a procedure of a combine processing operation.

FIG. 10 is a diagram for explaining a combine processing operation.

11 is a U before performing the combine processing described in FIG. 9;
It is a figure which shows one Example of the data structure of a TOC area | region.

FIG. 12 is a diagram showing an example of the data structure of the UTOC area after the combine processing described in FIG. 9 is performed.

[Explanation of symbols]

 1 Display Panel 2 Record Key 3 TOC Edit Key 4 Play / Pause Key 5 Stop Key 6, 7 Cue Key 8 Enter Key 9 Cancel Key 11 Magneto-Optical Disk 51 System Controller 52 Input Section 53 Display Section

Claims (3)

[Claims] 1. A disk recording apparatus for recording data in a disk-shaped recording medium having a data area and a management area for recording management information of data recorded in the data area, in units of tracks as a unit of data. In the case of combining three or more tracks to combine one track, track specifying means for specifying a start track and an end track of tracks to be combined, and a start track and an end track specified by the track specifying means. And a control means for rewriting the management information so as to connect one or a plurality of tracks between the disk recording apparatus and the disk recording apparatus. 2. The disc recording apparatus according to claim 1, wherein the link information indicating the coupling state between the tracks in the track address designation table of the management information is rewritten to link the tracks. 3. The disc recording apparatus according to claim 1, wherein the plurality of tracks are automatically formed each time a silent portion is detected for a preset fixed time during data recording.