JP2957642B2 - Disk recording device - Google Patents

Description

The present invention relates to a disc recording apparatus capable of recording information data from a first disc having information data to a recordable second disc, and various types of information data. Is to be provided on a second disk for convenient management.

(B) Prior Art Currently, DAT (digital audio tape) is generally used for digitally copying playback music from a music CD (compact disc). CDs usually manage this information data in addition to the information data (eg music)
It has management information data called TOC (table of content), and it is possible to extract a desired program at random and at high speed using this management information data. On the other hand, DAT is not suitable for random access because it is a tape, and does not have management information corresponding to the TOC. As described above, the management information data of the CD is used only for reproducing the information data of the own disk, and is not configured to be able to be taken out for recording on another CD.

Depending on the type of information (audio, text, control code, image, etc.) stored on CD, CD-A, CD-
ROM, CD-I, CD-V, etc. have been developed. In addition, CD-R (rewritable CD) and CD-R
MO (Magneto-optical CD) or CD-WO that can be written only once
(CD Write Once).

(C) Problems to be Solved by the Invention As described above, in order to copy information data from a CD,
In the case of using the DAT, it is difficult to obtain high-speed access to the recording data on the DAT, so that there is a problem that desired information data cannot be quickly extracted from the copied information data.

In order to ensure high-speed access, information data from a CD is recorded on a recordable CD, and at the same time, management information data for managing the information data to be recorded is recorded on the recordable CD. However, this requires an operation of creating management information data and recording it each time new information data is obtained.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a disk recording apparatus having a copy means capable of utilizing management information data of a disk to be copied for managing information data of the disk after copying.

(D) Means for Solving the Problems In order to achieve this object, the present invention provides a second disc recordable from a first disc having a plurality of information data and a plurality of management information data for managing the plurality of information data. And a copy unit for copying at least a part of the plurality of pieces of information data together with management information data relating to the information data to be copied.

The copy means of the present invention specifies an information data input section for inputting information data of the first disk, a management information data input section for inputting management information data of the first disk, and specifies information data to be copied. An operation unit for forming an instruction signal by extracting an information data to be copied in the information data input unit based on the instruction signal, and recording the extracted information data in a program area of the second disk; The management information data corresponding to the information data to be copied in the management information data input unit is selected based on the instruction signal, and is selected as the second management information data.
And a management information data recording unit for converting and recording the data in a predetermined lead-in area of the disc.

(E) Function As described above, in the present invention, a plurality of pieces of information data are recorded together with the management information data from the first disc.
At least one piece of information data is copied to the second disk, and management information data relating to the information data to be copied is recorded on the second disk. Information data to be extracted can be easily and quickly extracted based on the management information data.

Further, according to the present invention, when recording the management information data on the second disk, the recording of the management information data on the second disk is organized in relation to the order of copying the information data to the second disk. You. That is, the user operates the operation unit to select the management information data relating to the information data to be recorded on the second disk from the plurality of management information data in the management information data input unit, and to select the selected management information data from the information data. Is converted so as to be convenient for the extraction and recorded on the second disk.

(F) Embodiment An embodiment of the disk recording apparatus of the present invention will be described with reference to the drawings. FIG. 1 is a configuration block diagram of this embodiment. 2 to 4 are half sectional views of disc models having different specifications, and are longitudinal sectional views illustrating data stored in the radial direction of each disc. FIG. 5 is a table showing an example of management information data extracted from a disk to be copied and a data length of information data managed by the management information data. FIG. 6 is a table diagram of an example of management information data recorded at a predetermined position on the copied disk.

In FIG. 1, 1 is a first input terminal for receiving input of information data, 2 is a second input terminal for receiving input of management information data, 3 is a recordable disc for recording information data and management information data, Reference numeral 4 denotes an operation unit for instructing writing to the disk or the like, 5 denotes a first interface for inputting information data from the first input terminal 1, and 6 denotes a second interface.
A second interface for inputting management information data from the input terminal 2, a format circuit 7 for encoding information data from the first interface 5 for recording on the disk 3, and a system 8 based on a command from the operation unit 4 , A management data creation unit for creating management information data to be recorded in a predetermined area of the disk 3 based on a command from the operation unit and management information data of the second interface 6, and 10 a format circuit 7 Is an information recording unit for recording a signal from the disc 3 on the disc 3.

For example, information data extracted from a CD to be copied is input to the first input terminal 1. If this CD is CD audio, the information data is digital audio and CDRO
If it is M, it is data such as text, and if it is CDI or CDV, it is information data defined by these standards. The input source of the information data is not limited to the one from the exemplified CD, but may be a source which reproduces a DAT (digital audio tape) or the like. This first input terminal 1
Inputs such information data and transmits the input information data to the first interface 5.

When the information data to be copied is obtained from a CD, the management information data contained in and extracted from the CD is input to the second input terminal 2.

FIG. 2 shows a schematic diagram of a general non-writable CD. Area A is the lead-in area, where the TOC
(Table of content) information, that is, management information data is recorded. The area B is a program area, in which a plurality of recorded data such as music information are divided and accommodated. When the recorded data is music information, it is possible to detect the blank part between songs and detect the delimiter of the song, but other data (such as CDROM and CDI)
In some cases, the delimiter may not be detected from the data arrangement in the area B. Area C is a lead-out area.

FIG. 5 shows an example of management information data extracted from the area A of the CD to be copied and stored in the second interface 6. In this example, the start timing of the first, second, third, and fourth pieces of information data that are continuous as the management information data is provided. That is, the first information data has a start timing at 0 minutes, 2 seconds, and 0 frames, and the second, third, and fourth information data have 5 minutes, 10 seconds, and 20 frames, respectively.
The start timing is at 12 minutes 0 seconds 0 frames and 15 minutes 35 seconds 27 frames. In this example, the first information data is 5
The second and third information data have information of 6 minutes 49 seconds 54 frames and 3 minutes of information, respectively.
Has 35 seconds and 27 frames of information. Note that a CD actually has more information data and corresponding management information data, but FIG. 5 exemplifies four management information data related to the three information data in order to simplify the description. doing.

The disc 3 is a recordable optical disc. This optical disc is, for example, a CD-MO having a format shown in FIG.
It is a disc or the CD-WO disc shown in FIG. In each figure, areas A1 and A2 are lead-in areas as in area A, areas C1 and C2 are lead-out areas as in area C, and areas B1 and B2 are areas where data can be recorded. The area B2 is all allocated to an area where the user can record data, and the area B2 is
B1 is assigned to have an area b1 in which management information data can be recorded and a b2 in which information data can be recorded. Information data is recorded in the area B2 or b2, and management information data is recorded in the area A2 or A1 and / or b1.

The operation unit 4 has a keyboard, and when the user operates the keyboard to select a desired mode, a control signal corresponding to the operation is supplied to the controller 8. For example, selecting information data to be stored in the first interface and instructing to record it in the program area of the disk, extracting management information data relating to information data recorded or recorded on the disk 3 from the second interface, It is instructed to record it in a predetermined area of the disc.

The first interface 5 organizes and stores the information data input from the first input terminal 1 under the control of the controller 8, and outputs the information data to be copied to the disk based on the instruction of the operation unit 4. Format circuit 7 in the order of
Output to

The second interface 6 organizes and stores the management information data input from the second input terminal 2 under the control of the controller 8 and associates the management information data with the information data to be copied to the disk based on the instruction of the operation unit 4. It outputs the management information data to the management data creation unit 9 via the controller 8 in the order of copying.

The format circuit 7 receives the information data from the first interface 5 and the management information data from the management data creating unit 9 and modulates the information data and the management information data into a format for recording on the disc 3. This modulation output is an EFM signal for CD.

The management data creation unit 9 converts the management information data of the second interface 6 into new management information data suitable for recording on the disk 3 or managing the recorded information data. Second,
Assuming that each of the third information data has the management information data shown in FIG. 5 and the start timing of the management information data of the disk 3 to be copied is 0 minute 30 seconds 1 frame.
The management data generator 9 outputs the management information data shown in FIG. That is, the start and end timings of the track on which the first information data is recorded are 0 minutes 30 seconds 1 frame and 5 minutes 38 seconds 20 frames, respectively. Each timing is as shown in the figure.

The information recording unit 10 includes recording means including a head for optically recording each of the data in a predetermined area of the disk 3. The recording means includes a head driving means for controlling the movement and tracking of the head in addition to the head.

In such a disk recording device, when one or a plurality of new information data is to be recorded on the disk 3, the operation unit 4 is operated to delete all the information data desired to be copied from the CD to be recorded. Is stored in the first interface 5 and all of the management information data of this CD is stored in the second interface 6.

Thereafter, based on a command from the operation unit 4, the controller 8 outputs the disc 3 from the information data of the first interface 5.
The information data desired to be copied to the disc is taken out in the order instructed, formatted, and sequentially recorded on a predetermined track. In this embodiment, an instruction is given to copy three pieces of information data having the management information data shown in FIG.

Since these three pieces of information data are recorded on the disc 3 in order from 0 minute, 30 seconds and 1 frame, which is the start timing of the recordable track, the management data creation area is recorded in the area of the disc 3 where the management information data is recorded. The unit 7 records the management information data (management information data having the start and end timings of each information data) shown in FIG. 6 calculated from the management information data of the second interface and the data of the start timing.

In the present embodiment, the case where the management information data is recorded after copying the information data has been described.
The management information data may be recorded first, and then the information data may be copied.

Since the copied disk 3 has information data desired to be copied and management information data for managing the information data, the desired information data can be easily and easily extracted from the copied disk. Can be. Further, since the management information data extracted from the CD to be copied is calculated and used, the management information data can be easily created.

(G) Effects of the Invention The disk recording apparatus of the present invention provides a method for recording a plurality of pieces of information on a second disk recordable from a first disk having a plurality of information data and a plurality of management information data for managing the plurality of information data. Since there is a copy means for copying at least a part of the data together with the management information data related to the information data to be copied, the management information data to be recorded on the second disk is based on the information extracted from the first disk to be copied. The management information data creation operation is extremely simple.

Further, since the second disk copied in this way has management information data for managing this information data in addition to the information data, the desired information data can be called up easily and quickly similarly to the conventional CD. .

[Brief description of the drawings]

Each of the drawings shows an embodiment of the apparatus of the present invention, and FIG. 1 is a block diagram of the configuration. FIGS. 2, 3, and 4 are half sectional views of models of discs having different specifications, and are longitudinal sectional views illustrating data stored in the radial direction of each disc. FIG. 5 is a table showing an example of management information data extracted from a disk to be copied and a data length of information data managed by the management information data. FIG. 6 is a table diagram of an example of management information data recorded at a predetermined position on the copied disk. 1 ... Information data input terminal, 2 ... Management information data input terminal, 3 ... Disc, 4 ... Operation unit, 5 ... First interface, 6 ... Second interface, 7 ... Format circuit, 8 ... ... Controller, 9... Management data creation unit, 10... Information recording unit.

Claims (2)

(57) [Claims] 1. A plurality of information data, a first disk on which a plurality of management data respectively corresponding to the plurality of information data are recorded, a recordable second disk, and selectively reproduced from the first disk. The information data is recorded on the second disk, and the management data in the first disk corresponding to the information data recorded on the second disk is converted into management data suitable for the second disk, and is converted to the second disk. Copy means for recording, wherein the copy means converts management data in the first disk comprising a start timing and an information data length into management data comprising a start timing and an end timing, and converts this into second data. A disk recording device for recording on a disk. 2. An information data input unit for inputting information data of the first disk, and a management information input unit for inputting management information data of the first disk comprising a start timing and an information data length. An operation unit for instructing information data to be copied to form an instruction signal, and extracting information data to be copied in the information data input unit based on the instruction signal and recording the extracted information data in a program area of the second disk An information data recording unit to perform, and select the management information data corresponding to the information data to be copied in the management information data input unit based on the instruction signal, and convert it to management information data including a start timing and an end timing. And a management information data recording unit for recording in a predetermined lead-in area of the second disk. Mounting of the disk recording device.