JPH08279276A - Recording and reproducing device - Google Patents

Abstract

PURPOSE: To perform editing and recording in one recording and reproducing section, in a mini-disk device. CONSTITUTION: First, a disk of a source side is loaded, a track desired to be recorded with a signal is selected out of the disk of a source side, and a reproduced information signal of the selected track is stored in a storage device 5. Next, a disk 12 for recording is loaded, the reproducing order of a track inn the storage device 5 is changed, an information signal is read from the storage device 5 of the track according to the changed order, and recorded in the disk 12 for recording.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc recording / reproducing apparatus for recording / reproducing an audio signal on / from a disc-shaped recording medium such as a magneto-optical disc.

[0002]

2. Description of the Related Art As the above-mentioned device, for example, MD
There is a (mini disk) device. The MD device, which is a digital recording / reproducing device, has a diameter of 64 in a cartridge.
An audio signal converted into a digital signal is transferred to an ATRAC (Adaptive
Transform Acoustic Codin
The recording / reproduction is performed by compressing / decompressing by high efficiency coding called g).

[0003]

However, in the case where an MD device is used and several songs are selected from a plurality of recorded magneto-optical disks to perform edit recording work on one recordable magneto-optical disk, In order to perform recording (so-called dubbing work) from the magneto-optical disc on the source side to the magneto-optical disc on the recording side, at least two or more recording / reproducing units are provided in one MD device, as in the double cassette tape recorder. Is required, which leads to a significant increase in the cost of the MD device.

[0004]

In order to solve the above problems, according to the present invention, in a recording / reproducing apparatus for recording / reproducing an information signal on / from a recording medium, a storage means for storing the information signal reproduced from the recording medium, and the storage means. It is intended to provide a recording / reproducing apparatus provided with a control means for recording the information signal stored in the means on a recording medium.

Further, according to the present invention, there is provided a recording / reproducing apparatus for recording / reproducing a recording medium on which an information signal is recorded on a track unit basis and the address information of the recorded track is recorded, wherein the information reproduced from the recording medium. It is intended to provide a recording / reproducing apparatus provided with a storage means for storing a signal and a control means for changing the order of the information signal stored in the storage means in track units and recording the information signal on a recording medium.

[0006]

With the above-mentioned structure, first, the recorded recording medium is mounted to reproduce the information signal, and the reproduced information signal is stored in the storage means. Next, a recording medium for recording is mounted, and the information signal stored in the storage means is recorded on the recording medium for recording, thereby recording from the recorded recording medium to the recording medium.

Further, since it is constructed as described above, first, the recorded recording medium is mounted to reproduce the information signal, and the reproduced information signal is stored in the storage means. Next, a recording medium for recording is mounted, and the information signal stored in the storage means is recorded on the recording medium for recording while changing the order in track units, and the recorded recording medium is changed from the recorded recording medium to the recording medium for recording. Is recorded.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

First, FIG. 1 is a circuit block diagram showing the configuration of an MD device according to the present invention. In the figure, 1 is an input terminal for inputting an analog information signal such as a voice signal,
Reference numeral 2 is an A / D conversion circuit for converting an analog signal input from the input terminal 1 into a digital signal, and 3 is a digital signal compressed by the A / D conversion circuit 2 and converted into a high efficiency encoded digital signal. An ATRAC encoder, 4 is a first switch for switching a signal from the ATRAC encoder 3 and a signal from a storage device 5 described later according to an instruction from a control circuit 23, and 6 is a digital signal via the first switch 4. A CD-ROM encoder for converting the CD-ROM format to a CD-ROM format, and 7 is the CD-ROM
An EFM / ACIRC encoder for interleaving the signal converted into the CD-ROM format by the ROM encoder 6, adding an error correction code, and converting it to a digital signal with a subcode signal added, 9 is a voice signal, TOC information, and UTOC Shockproof memory circuit for temporarily storing information, 8 is a recording RF amplifier,
The output signal from the EFM / ACIRC encoder 7 is converted into a signal for recording on the magneto-optical disk 12 by the recording magnetic head 10 and the optical pickup 11.

Reference numeral 11 is an optical pickup for reading a signal from the magneto-optical disk 12, and 13 is the optical pickup 1
1. A reproduction RF amplifier for processing the signal read from 1.
Reference numeral 4 is an EFM / ACIRC decoder for deinterleaving the signal from the reproduction RF amplifier 13, performing error correction, and further converting it into a CD-ROM format signal, 15
Is the CD-R from the EFM / ACIRC decoder 14
CD for converting OM format signals to digital signals
-ROM decoder, 16 is the CD-ROM decoder 1
A second switch for switching the signal from the storage device 5 to the storage device 5 or the ATRAC decoder 17, 17 is the CD-RO
An ATRAC decoder for decompressing the signal processed by the M decoder 15 and converting it into an original digital signal;
A D / A conversion circuit for converting the digital signal converted by the TRAC decoder 17 into the original analog signal, and 19 is an output terminal for outputting the demodulated analog signal.

Reference numeral 21 is a sled motor for reciprocally driving the optical pickup 11 between the inner circumference and the outer circumference of the magneto-optical disk 12, and a tracking error signal output from the optical pickup 11 causes a thread through a motor control circuit 22. Controlled. Reference numeral 20 is a spindle motor for rotating the magneto-optical disk 12, and 23 is a control circuit for controlling the MD device. Based on the CD and the subcode data processing.
-ROM encoder 6, CD-ROM decoder 15, A
TRAC encoder 3, ATRAC decoder 17, motor control circuit 22, first switch 4, second switch 16,
The storage device 5 is controlled.

The control circuit 23 is composed of a system controller using a microcomputer. Further, although only the key input terminal 24 is shown in the figure, the key input terminal 24 is provided with operation key means (not shown) for the user to perform various operations such as recording, reproduction, stop, erasure, and music selection. The control signal is connected to the control circuit 23 through the key input terminal 24 according to the operation of the operation key means by the user, and the operation is performed in response to the control signal thus guided. Has been done.

Next, FIG. 2 shows the CD-ROM shown in FIG.
The data structure of the output signal from the decoder 15 is shown, and CLUSTER H and C included in the sector header of the 12th to 15th bytes of the CD-ROM are shown.
By taking in the LUSTER L, SECTOR information into the control circuit 23, the address of the information signal written in the shock proof memory 9 can be confirmed.

FIG. 3 shows the data structure of the UTOC SECTOR 0. In the recorded information signal, P-TNOn (n indicates the track number, which is the start offset value of the track), and is an integer from 1 to 255. Yes), Start address and End addr indicating the start address and end address of each data block recorded separately on each part of the disc.
The start and end addresses of a track can be confirmed by using ess and Link-P in which the connections between data blocks recorded separately on each part of the disc are described.

When the information signal from the recorded magneto-optical disk serving as the source is stored in the storage device 5 shown in FIG. 1, the address of the information signal being written in the shock proof memory 9 is monitored. And UTOC
By comparing with the start and end addresses of each track recorded in SECTOR0, each track can be stored separately when stored in the storage device 5.

The storage device 5 may be constructed by using a semiconductor memory or a magnetic disk device such as a hard disk.

Next, regarding the operation of the MD apparatus of the present invention,
A detailed description will be given based on the flowchart of FIG.

First, the user selects whether to perform normal recording from the input terminal 1 to the magneto-optical disk or edit recording between a plurality of magneto-optical disks (S1).

When normal recording from the input terminal 1 to the recording magneto-optical disk is selected, the magneto-optical disk for recording is mounted on the main body (S11).

Then, in order to record the input signal from the input terminal 1 on the magneto-optical disk for recording, the control circuit 23 has the first
The switch 4 is switched to the ATRAC encoder 3 side (terminal a side) (S12).

Next, the control circuit 23 switches the second switch 16 to the ATRAC decoder side (terminal b side) in order to monitor the recorded signal (S13).

Further, the control circuit 23 starts recording on the recording magneto-optical disk (S14).

On the other hand, if the user selects edit recording between a plurality of magneto-optical disks in (S1), the user mounts the recorded magneto-optical disk on the recording source side in the main body ( S2).

Then, the control circuit 23 switches the second switch 16 to the storage device side (terminal a side) in order to store the information signal reproduced from the recorded magneto-optical disk on the recording source side in the storage device 5 ( S3).

Next, the user selects a track to be recorded from the recorded magneto-optical disk, which is the recording source, to the recording magneto-optical disk, and registers the performance order (so-called program reservation) (S4).

When the selection of the track to be recorded and the registration of the performance order are completed, the control circuit 23 reproduces the track of the recorded magneto-optical disk on the recording source side based on the registered contents, and the reproduced information. The signal is stored in the storage device 5 (S5).

If the information signals of all the tracks registered in (S4) above are stored in the storage device 5, the control circuit 2
3 prompts the user to confirm whether or not the recorded magneto-optical disk on the recording source side is replaced and edit recording is performed from another magneto-optical disk (S6), and the magneto-optical disk is replaced according to the user's instruction. In the case of doing, it returns to (S5) again and the work is repeated.

If it is not necessary to replace the magneto-optical disk in (S6), an information signal such as a song title stored in the storage device 5 is taken into the control circuit 23, and the storage device is based on the information signal. The information such as the magneto-optical disk number stored in 5 (the number should be given to the disk in the order of mounting), the track number, the playing time, etc.,
The user is prompted to determine the recording order of each track on the recording side magneto-optical disk (S7).

When the user completes the determination of the recording order of each track on the recording side magneto-optical disk, the control circuit 23 records the information signal in the storage device 5 on the recording side magneto-optical disk. , The first switch 4 is switched to the storage device side (terminal b side) (S8).

In order to monitor the music signal recorded on the magneto-optical disk 12 from the storage device 5, the control circuit 23 sets the second switch 16 to the ATRAC decoder side (terminal b side).
(S9).

Finally, the signal from the storage device 5 is recorded on the magneto-optical disk 12 on the recording side to complete the operation (S10).

[0032]

As described above in detail, according to the present invention, in a recording / reproducing apparatus for recording / reproducing an information signal on / from a recording medium, storage means for storing the information signal reproduced from the recording medium, and the storage means. Since the recording / reproducing apparatus is provided with the control means for recording the information signal stored in the recording medium in one recording / reproducing apparatus, the information signal recorded in one recording medium can be recorded in another recording medium. .

Further, according to the present invention, there is provided a recording / reproducing apparatus for recording / reproducing a recording medium in which an information signal is recorded on a track unit basis and the address information of the recorded track is recorded. Since the storage means for storing the reproduced information signal and the control means for changing the order of the information signals stored in the storage means and recording the information signal on the recording medium are provided, even in one recording / reproducing apparatus. ,
The information signal recorded on one recording medium can be recorded on another recording medium by changing the order in track units.

[Brief description of drawings]

FIG. 1 is a circuit block diagram showing a configuration of an MD device of the present invention.

FIG. 2 is a diagram showing a data structure of MD.

FIG. 3 is a diagram showing a data structure of MD.

FIG. 4 is a flowchart for explaining the operation of the present invention.

[Explanation of symbols]

 1 Input Terminal 2 A / D Conversion Circuit 3 ATRAC Encoder 4 First Switch 5 Storage Device 6 CD-ROM Encoder 7 EFM / ACIRC Encoder 8 Recording RF Amplifier 9 Shockproof Memory 10 Magnetic Head 11 Optical Pickup 12 Magneto-Optical Disk 13 Reproduction RF Amplifier 14 EFM / ACIRC decoder 15 CD-ROM decoder 16 Second switch 17 ATRAC decoder 18 D / A conversion circuit 19 Output terminal 20 Spindle motor 21 Thread motor 22 Motor control circuit 23 Control circuit 24 Key input terminal

Continuation of front page (51) Int.Cl. ⁶ Identification number Office reference number FI technical display location G11B 27/10 A

Claims (2)

[Claims] 1. A recording / reproducing apparatus for recording / reproducing an information signal on / from a recording medium, and storing means for storing the information signal reproduced from the recording medium, and control for recording the information signal stored in the storing means on the recording medium. And a recording / reproducing apparatus. 2. A recording / reproducing apparatus for recording / reproducing an information signal on a track-by-track basis and recording / reproducing a recording medium on which the address information of the recorded track is recorded, wherein the information signal reproduced from the recording medium is stored. Storage means,
A recording / reproducing apparatus comprising: a control unit that changes the order of the information signals stored in the storage unit in track units and records the information signal on a recording medium.