JP2003085943A - Disk sound-recording method and disk recorded by the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the inconvenience that a disk recorded in both ATRAC3 mode and ATRAC mode in combination by using an ATRAC3-adaptive machine can not be reproduced by an ATRAC3-non-adaptive machine. SOLUTION: When the ATRAC3-adaptive machine 10 is used to record a plurality of pieces of music are recorded on a disk 20 by a sound-recording part 11, a control part 13 determines sound-recording modes by the pieces of music, provides an additional track before for the ATRAC3 mode, writes a non-reproducibility message to a title part, and records the music on a next track. For sound recording in ATRAC mode, no additional track is provided and the music is recorded on the track. For reproduction by the ATRAC3 non-adaptive machine 30, the non-reproducibility message is displayed at a display part 32 for the track on which the non-reproducibility message is written, and the next track is reproduced while the track is skipped.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk recording method, for example, a recording method for recording a plurality of songs on a disk in a high compression ratio recording mode and a disk recorded by the recording method.

[0002]

2. Description of the Related Art M, which is a disk using the magneto-optical effect
The D (Mini Disc), which is smaller than the CD (Compact Disc) and is capable of recording and reproducing, has been rapidly popularized recently. Especially with the adoption of data compression recording technology,
Many portable stereo players use MDs because they have the same playback time as CDs.

There is a case where a reproduction signal of a CD or another digital audio signal is recorded on an MD and reproduced by a player (reproduction device) by using the recording / reproduction function of the MD. Due to the progress of recording technology, especially data compression technology, recording on MD is performed in the normal audio compression technology, ATRAC mode and this ATR mode.
There are different recording modes, such as the ATRAC3 mode, which has a much higher compression rate than the AC mode. Even for one MD, the ATRAC mode and the ATRAC are set for each track.
In some cases, the three modes are mixed and recorded.

On the other hand, the MD player (playback device) is also equipped with an AT.
Some machines do not support RAC3, that is, recording in ATRAC mode is reproducible, but recording in ATRAC3 mode is not reproducible in some cases. Therefore, when an MD recorded in the ATRAC3 mode is played back on an ATRAC3 non-compatible device (MD player), a LP (Long Pla) is displayed on the display as a title.
y) Like 2 or LP4, it only indicates the compression ratio in the ATRAC3 mode, and the recorded voice cannot be reproduced.

[0005]

A user generally has a large number of MDs, each of which is recorded in the ATRAC mode, the ATRAC3 mode, or the ATRAC mode and the ATRAC3.
It is impossible to judge at a glance whether the recording was made in the mixed mode of modes. These MD are the above-mentioned ATR
When playing back on a device that does not support AC3 (MD player),
A disc (MD) is mounted on such an MD player and played back, and if it can be played back, it is simply an ATRAC mode recording, and if it cannot be played back, it is simply an ATRAC3 mode recording, which is inconvenient. In other words, ATRAC3
When playing a disc on a non-compatible device, the user may not understand why a particular song cannot be played.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and a disk recording method and a disk recording method by which the recording states (modes) of a plurality of songs recorded on a disk can be easily determined. The purpose of the present invention is to provide a disc.

[0007]

In order to solve the above-mentioned problems, the disk recording method according to the present invention and the disk recorded by the method adopt the following characteristic structure.

(1) In a disk recording method for recording a plurality of songs in a recording mode in which a high compression ratio compatible device is mixed with a high compression ratio mode or a normal compression ratio mode, the recording is performed in the high compression ratio recording mode. A disc recording method in which an additional track is provided in front of a music piece, and a non-reproducible message is written in the additional track on a device that does not support high compression ratio.

(2) The disk recording method according to (1) above, wherein activation or deactivation of the non-reproducible message function can be selected.

(3) The disk recording method according to (1) above, wherein a predetermined unreproducible message is written in the additional track by default.

(4) The disc recording method according to (1) above, wherein the player can select and write a plurality of pre-registered unreproducible messages on the additional track.

(5) The disk recording method according to (1) above, wherein a non-reproducible message created by a user can be written in the additional track.

(6) The high compression rate mode is ATRAC3
The disk recording method according to (1) above, wherein the normal compression ratio mode is ATRAC.

(7) A disc on which a plurality of songs are recorded by the method according to any one of (1) to (6) above.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure and operation of a preferred embodiment of a disk recording method and a disk recorded by the method according to the present invention will be described below in detail with reference to the accompanying drawings.

First, FIGS. 1 and 2 are explanatory views of a disc (MD) recorded by the present invention. FIG. 1 is an example of a plurality of songs recorded on a disc. In FIG. 1, the music number A is shown in the left column, the compression format B is shown in the middle column, and the necessity C of the non-reproducible message in the ATRAC3-incompatible MD player is shown in the right column. In this specific example, one disc contains a total of eight songs recorded in both the ATRAC mode and the ATRAC3 mode. That is,
The first song, the second song, the fourth song, and the seventh song are recorded in the ATRAC3 mode, and the third song, the fifth song, the sixth song, and the eighth song are recorded in the ATRAC mode.

A disc recorded as shown in FIG.
When played on a device not compatible with RAC3 (MD player), AT
Only the third, fifth, sixth and eighth songs recorded in the RAC mode can be reproduced. However, ATRAC3
The first, second, fourth and seventh songs recorded in the mode are not played.

Therefore, in the present embodiment, when reproducing a track recorded in the ATRAC3 mode, a message (unreproducible message) for notifying the user that reproduction is impossible is written. Therefore, at the time of recording, one track is added in front of the song, and a non-reproducible message is automatically written in the title area of this added track. Figure 1
2 shows an example of a disc recorded by the present invention.
Shown in.

In FIG. 2, track numbers D,
It contains a song number A, a compression format B and a title E. As is apparent from comparison between FIGS. 1 and 2, additional tracks are provided in front of the first, second, fourth, and seventh music recorded in the compression format B in the high compression ratio (ATRAC3) recording mode. Then, in the title E portion of these additional track numbers D, instead of the title of the music, a non-reproducible message such as "the next music cannot be reproduced by an MDLP non-compatible device" is written.

That is, 1 recorded in ATRAC3 mode
The first track is added before the second track including the recording of the song, and a non-reproducible message regarding the recording of the first song of the second track is recorded. Similarly, the third track is recorded before the fourth track including the second track recorded in ATRAC3 mode.
A track is added and a non-reproducible message regarding recording of the second track of the fourth track is recorded. The third song is ATR
Since the recording is in the AC mode, no track is added before the recording, and recording is performed on the fifth track. Hereinafter, similarly, the sixth track is a track dedicated to a non-reproducible message regarding recording of the fourth track of the seventh track. Track 8 is A
This is the fifth track in TRAC mode, and there is no track for unreproducible messages before it. The ninth track is also the sixth track, and there is no unplayable message track before it. The tenth track is a non-reproducible message track related to recording the seventh song of the eleventh track. Finally, the 12th track is the 8th track recorded in the ATRAC mode.

Here, additional tracks 1, 3, 6 and 1
In the title E portion of 0, the reproduction impossible message is written as described above, and the title E portion of the tracks 2, 4, 5, 7, 8, 9, 11, and 12 in which the first to eighth songs are recorded. The titles of the respective songs are recorded in, and can be displayed on the display unit of the player during reproduction.

FIG. 3 is a system configuration diagram for explaining the disc recording method of the present invention and the reproduction of the disc recorded by the disc recording method. ATRAC3 compatible machine (recorder)
A plurality of tunes are recorded on a disc (MD) 20 by means of 10, and reproduced by an ATRAC3 non-compatible device (reproducing device). AT
The RAC3 compatible device 10 includes a recording unit 11, an input terminal 12, a control unit 13, a display unit 14, and a reproduction impossible message generation registration unit 15. In addition, the ATRAC3 non-compatible device 30 includes a reproduction unit 31, a display unit 32, and a signal processing unit 33.
And a speaker 34 and the like.

The recording unit 11 records the digital signals of a plurality of music pieces inputted from the input terminal 12 under the control of the control unit 13 in the ATRAC3 mode or the ATRAC mode by the program of the user, for example. At the time of recording, as described above, in the case of the ATRAC3 mode, an additional track is provided, the reproduction impossible message generating unit 15 generates and registers the reproduction impossible message selected by the display unit 14 and the selection key 16, and the next Record the song on the track.
In the case of a song in ATRAC mode, no additional track is provided and recording is performed on that track. When the non-reproducible message function is unnecessary, the ON / OFF key 17 is used to disable the non-reproducible message function, and no track is added and no non-reproducible message is written.

The disk 20 recorded as described above is
What is played on the TRAC3 non-compatible device 30 is the disc 20.
The data recorded on the plurality of tracks are reproduced by the reproducing unit 31, the signal processing unit 33 performs digital-analog conversion and amplification, and the speaker 34 is driven to reproduce. When the additional track in which the unreproducible message is written is reproduced, the unreproducible message is displayed on the display unit 32 which is, for example, a liquid crystal display panel to notify the user of that fact and the track is skipped. When playing a song in ATRAC mode, the title of the song is displayed on the display unit 32.

Next, referring to the flow chart of FIG.
The recording operation of the preferred embodiment of the disk recording method according to the present invention will be described. First, a disc (MD) is set and recording is started (step S1). Recording mode (REC MOD
E) is a high compression rate mode MDLP (ATRAC3)
Or not (step S2). If it is not in the high compression ratio (MDLP or ATRAC3) mode (step S2: No), recording is started on the next track (that is, no additional track is provided) (step S).
5).

On the other hand, in the case of the high compression rate (ATRAC3) mode (step S2: Yes), it is determined whether or not the ON / OFF switch for selecting the unreproducible message function is ON (step S3). If the unreproducible message function is not ON (step S3: No),
As described above, the process proceeds to step S5, and the conventional recording operation is performed. When the reproduction impossible message function is ON (step S3: Yes), the reproduction impossible message is written to the track (step S4). The additional track for writing the non-reproducible message only writes the message, and is in a silent state even when reproduced. afterwards,
The process proceeds to step S5 described above, and the recording of the song is performed on the next track. Next, it is determined whether or not all the songs have been recorded (step S6). If the recording of all the songs has not been completed (step S6: No), the process returns to step S2, and the recording operation of the next song is continued. On the other hand, when recording of all songs (in the specific example shown in FIG. 1, a total of eight songs from the first song to the eighth song) is completed (step S
6: Yes), and ends the recording operation (step S7).

Here, the unreproducible message may be one unreproducible message prepared in advance by default. In addition, a plurality of unreproducible messages are registered, and the user may select and use one of them. Furthermore, the user may register the unreproducible message and write it in the RAM (random access memory) of the microcomputer in the player body (message customization function). The non-reproducible message is registered in the message registration mode in the same manner as the MD title input, and is registered by the user pressing the enter key. In addition, in the message selection mode, the user can select the non-playable message by using the select key to cyclically display multiple non-playable messages, and by pressing the enter key, the playback The available message is selected or a plurality of unreproducible messages are displayed at the same time, and one of them is selected by a cursor or the like and highlighted.

Next, referring to the flowchart of FIG.
A reproducing operation of a disc recorded by the disc recording method according to the present invention will be described. This specific example is a case where a disc recorded by an ATRAC3 compatible device is played back by an ATRAC3 compatible device. First, a disc (M
D) is mounted on an ATRAC3 non-compatible device and playback is started (step S11). It is determined whether or not the current track is an additional track dedicated to the unreproducible message (step S12). If the track is a reproduction-only message-dedicated track (step S12: Yes), the current track is skipped (step S13), the process returns to step S12, and the next track is determined.

On the other hand, if the current track is not the reproduction-only message dedicated track (step S12: N
o), the music of the track is reproduced (step S1)
4). Next, it is determined whether the track is the last track (step S15). If it is not the last track (less than track 12 in the example of FIG. 2) (step S15:
No), the process returns to step S12 described above to determine the next track. If it is the last track (step S15: Yes), the reproduction is ended (step S1).
6).

The configuration and operation of the preferred embodiment of the disk recording method and the disk recorded by the method according to the present invention have been described above in detail. However, such an embodiment is merely an example of the present invention and does not limit the present invention in any way. Those skilled in the art can easily understand that various modifications and changes can be made according to a specific application without departing from the gist of the present invention.

[0031]

As will be understood from the above description, according to the present invention, the following remarkable practical effects can be obtained. In other words, a high compression rate (ATRA
The disk recorded in C3) mode has a high compression ratio (AT
An additional track is provided in front of the song recorded in the RAC3) mode, and a non-reproducible message is written. Therefore, when this disc is played back on an ATRAC3 non-compliant device, the unplayable message is displayed on the display unit even if there is no sound, so that the user can be made aware of the reason why the disc is unplayable.

As the non-reproducible message, a message prepared in advance can be displayed by default, the user can select from a plurality of non-reproducible messages, or a non-reproducible message dedicated to the user can be written. Therefore, various variations are possible.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a disk recorded according to an embodiment of the present invention, and is a diagram showing a recording format of a first music piece to an eighth music piece.

FIG. 2 shows a disc recorded according to an example embodiment of the present invention.

FIG. 3 is a configuration diagram illustrating a disk recording method and reproduction according to an embodiment of the present invention.

FIG. 4 is a flowchart showing a disk recording method according to an exemplary embodiment of the present invention.

FIG. 5 is a flowchart showing an operation of reproducing a disc recorded according to the embodiment of the present invention by an ATRAC3 non-compliant device.

[Explanation of symbols]

10 ATRAC3 compatible machine (recorder) 11 Recording section 12 input terminals 13 Control unit 14 Display 15 Unreproducible message generation registration unit 16 Select key 17 Unplayable message function ON / OFF key 20 discs (MD) 30 ATRAC3 non-compatible device (reproducer) 31 Playback Department 32 display 33 Signal processing unit 34 speakers

Claims (7)

[Claims] 1. A disk recording method for recording a plurality of songs in a recording mode in which a high compression ratio compatible device is mixed with a high compression ratio mode or a normal compression ratio mode, wherein the recording is performed in the high compression ratio recording mode. A disc recording method, characterized in that an additional track is provided in front of a music piece, and a non-reproducible message is written in the additional track in a device not compatible with high compression ratio. 2. The disk recording method according to claim 1, wherein activation or deactivation of the non-reproducible message function can be selected. 3. The disk recording method according to claim 1, wherein a predetermined non-reproducible message is written in the additional track by default. 4. The disk recording method according to claim 1, wherein a plurality of pre-registered unreproducible messages are selected and made writable by the player in the additional track. 5. The disc recording method according to claim 1, wherein a non-reproducible message created by a user can be written in the additional track. 6. The disk recording method according to claim 1, wherein the high compression rate mode is ATRAC3 and the normal compression rate mode is ATRAC. 7. A disc having a plurality of songs recorded by the method according to any one of claims 1 to 6.