JP2003030965A - Device and method for data recording and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily discriminate the recording format of music information. SOLUTION: A controller 1 controls a recording and reproduction part 2, to discriminate which of ATRAC and ATRAC3 is used as the recording format of music information recorded on an MD 10 by using UTOC(user table of contents) obtained from the MD 10. Then the controller 1 decides whether there is music information recorded in the ATRAC format. When deciding that no music information is recorded in the ATRAC format, the controller 1 writes a character string (ALL: LP;) indicating that all music information is recorded in the ATRAC3 format to a disk title that the UTOC information indicates. When it is decided that music information recorded in the ATRAC format is present, the controller 1 deletes the character string from the disk title.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an apparatus, a method and a program for recording data.

[0002]

2. Description of the Related Art Music information recorded on a recording medium such as an MD (Mini Disc) is recorded by an ATRAC (Adaptive Transfo
rm Acoustic Coding) format or ATRAC3 format. On the other hand, some MD players include ATR
Some can only reproduce music information recorded in AC format. MD that supports only ATRAC format
The player reproduces the music information recorded in the ATRAC3 format as silence.

[0003]

When the MD player compatible with only the ATRAC format described above is used to reproduce an MD in which all music information is recorded in the ATRAC3 format, only silence is output. In order to avoid such waste, it is necessary to identify the MD in which all music information is recorded in ATRAC3 format before reproducing the music information.

An MD player compatible with both the ATRAC format and the ATRAC3 format displays a recording format of music information being reproduced on a display or the like. However, since only the recording format of the music information being reproduced is displayed, in order to determine whether all the music information recorded in the MD is recorded in the ATRAC3 format, all the music information is actually reproduced. Must.

Therefore, it is an object of the present invention to provide a data recording device, a data recording method, and a program capable of easily discriminating a recording format of information recorded in a recording destination.

[0006]

In order to achieve the above object, a data recording apparatus according to a first aspect of the present invention comprises a format discriminating means for discriminating a recording format of information recorded in a recording destination, Update means for updating the title information indicating the title of the recording destination recorded in the recording destination using the discrimination result of the format discriminating means, and the updating means records in the recording destination. The title information including information regarding the recording format of the recorded information is updated.

The format discriminating means discriminates whether the recording format of the information is the first recording format or the second recording format, and the updating means uses the discrimination result of the format discriminating means. Information discriminating means for discriminating whether or not the information recorded in the second recording format exists in the recording destination,
When the information discriminating means discriminates that the information recorded in the second recording format does not exist, all the information recorded in the recording destination is recorded in the first recording format. And a recording unit that records the title information including a predetermined character string indicating that the title is recorded in the recording destination, and the information determining unit determines that the information recorded in the second recording format exists. Deletion means for deleting the character string from the information.

The updating means further comprises a character string discriminating means for discriminating whether or not the character string is included in the title information, and the recording means has the character string discriminating means in the title information. When it is determined that the character string is not included, the title information including the character string is recorded in the recording destination, and the deleting unit is configured such that the character string determining unit includes the character string in the title information. If it is determined that the character string is present, the character string may be deleted from the title information.

A data recording method according to a second aspect of the present invention uses the format discriminating step for discriminating the recording format of the information recorded in the recording destination and the discrimination result of the format discriminating step for the recording destination. An updating step of updating title information indicating the title of the recording destination recorded in the step of updating title information including information regarding a recording format of the information recorded in the recording destination. It is characterized by comprising a step of updating.

According to a third aspect of the present invention, there is provided a program, wherein a computer uses the format discriminating means for discriminating a recording format of information recorded in a recording destination and the discrimination result of the format discriminating means. Updating means for updating title information indicating the title of the recording destination, which is recorded first, and the updating means includes the title including information regarding a recording format of the information recorded in the recording destination. The information recording device is made to function as a data recording device characterized by updating information.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a mini disk recorder according to an embodiment of the present invention will be described with reference to the drawings.

The mini disk recorder according to the embodiment of the present invention transmits music information to ATRAC (Adaptive Transfo
rm Acoustic Coding) format or ATRAC3 format, etc., and recorded in MD (Mini Disc) as a recording destination. When all the music information is recorded in the ATRAC3 format, the mini disc recorder sends a character string indicating that all the music information is recorded in the ATRAC3 format, for example, "ALL;LP:", to the MD. Write in the title (disc title). If there is even one piece of music information recorded in the ATRAC format, the mini disc recorder deletes the character string from the disc title.

As shown in FIG. 1, the mini disk recorder according to the embodiment of the present invention includes a controller 1, a recording / reproducing section 2, a UTOC memory 3, and a work memory 4.
And a title memory 5, a title processing unit 6, an operation unit 7, and a display unit 8.

The controller 1 is a RAM (Random Acces
s Memory), ROM (Read Only Memory), and C
It is a microcomputer including a PU (Central Processing Unit) and the like. The controller 1 operates according to a program and data provided in advance, and controls the operation of the entire mini disc recorder. Recording / playback unit 2
Operates under the control of the controller 1 to read information recorded in the MD 10 or record information in the MD 10.

As shown in FIG. 2, the information recording surface of the MD 10 is composed of a UTOC area 11a in which UTOC (User Table Of Contents) information is recorded and a program area 11b in which music information of each track is recorded. Has been done. The UTOC information includes an address (start address and end address) indicating a position of each track on the program area 11b, a disc title, a title of a song recorded on each track, and a recording mode (ATRAC or ATRAC3 of each track). ) Etc. are shown.

The recording / reproducing unit 2 first reads out the UTOC information from the MD 10 loaded at a predetermined position. Then, the recording / reproducing unit 2 follows the control of the controller 1.
The music information of a predetermined track recorded in the program area of the MD 10 is read. The recording / reproducing unit 2 performs processing such as EFM demodulation, deinterleaving, error correction, and expansion on the read music information to generate an analog music signal, and outputs it as sound via a predetermined amplifier or speaker. . Further, the recording / reproducing unit 2 A / A receives an analog music signal supplied from a microphone or another reproducing device.
The data is D-converted, compressed, interleaved, added with an error correction code, and subjected to processing such as EFM modulation and recorded in an unrecorded area of the MD 10.

In the UTOC memory 3, the recording / reproducing section 2 is an MD.
The UTOC information read from 10 is stored. MD10
While is set in the recording / reproducing unit 2, the UTOC information is updated on the UTOC memory 3. Then, the updated UTOC information is recorded in the UTOC area 11a of the MD 10 immediately before the MD 10 is unloaded.

As shown in FIG. 3, the work memory 4 includes a track information storage area 4a, an ATRAC number storage area 4b,
It is composed of an ATRAC3 number storage area 4c and a title information storage area 4d. In the track information storage area 4a, of the UTOC information read by the recording / reproducing unit 2, track information indicating the recording mode (ATRAC or ATRAC3) of each track is recorded. The number of tracks whose recording mode is the ATRAC mode, that is, the number of music information recorded in the ATRAC format is recorded in the ATRAC number storage area 4b. The number of tracks whose recording mode is the ATRAC3 mode, that is, the number of music information recorded in the ATRAC3 format is recorded in the ATRAC3 number storage area 4c. In the title information storage area 4d, the recording / playback unit 2
Of the UTOC information read by the disc, title information indicating the disc title and the title of each song is recorded.

The title memory 5 stores title information among the UTOC information read by the recording / playback unit 2. Under the control of the controller 1, the title processing unit 6 causes the title memory 5 to store the title information among the UTOC information read by the recording / playback unit 2. Further, the title processing unit 6 updates the title information stored in the title memory 5 under the control of the controller 1.

The operation unit 7 has a plurality of operation buttons and the like,
It is operated by the user of the mini disk recorder. The operation unit 7 outputs to the controller 1 a signal instructing on / off of power, reproduction of music information, recording, pause, stop, search, eject of MD 10, and the like according to the operation of the user.

The display section 8 is composed of a liquid crystal panel, an electroluminescence panel or the like. The display unit 8 displays a predetermined character string, a mark, or the like under the control of the controller 1 to present the user with the operation status and the like of the mini disk recorder. Further, the display unit 8 displays the disc title of the MD 10 set in the recording / reproducing unit 2 while the recording / reproducing unit 2 stops operating. The display unit 8 also displays the number of the target track (track number), the title of the song, and the elapsed playback time or the elapsed recording time during playback or recording of the music information.

Next, the operation of the mini disk recorder configured as described above will be described. When the user of the mini disk recorder sets the MD 10 on the recording / reproducing unit 2, the controller 1 of the mini disk recorder performs recording and editing of the music information shown in FIG. 4 according to a program and data provided in advance. Start preprocessing.

First, the controller 1 includes the recording / reproducing section 2
To read the UTOC information recorded in the UTOC area 11a of the MD 10 (step S101).
Of the read UTOC information, the controller 1 records the track information indicating the recording mode of each track in the track information storage area 4a of the work memory 4 (step S102).

Subsequently, the controller 1 retrieves the track information recorded in the track information storage area 4a and performs the counting process described later (step S103). Thereby, the controller 1 counts the number of music information recorded in the ATRAC format and the number of music information recorded in the ATRAC3 format, respectively, and records the count result in the work memory 4.

After that, the controller 1 executes step S1.
Of the UTOC information read in 01, the title information indicating the disc title and the title of each song is recorded in the title information storage area 4d of the work memory 4 (step S104).

Subsequently, the controller 1 controls the title processing unit 6 to record the title information recorded in the title information storage area 4d in step S104 in the title memory 5 (step S105), and ends the preprocessing.

Next, the detailed contents of the counting process performed by the controller 1 in step S103 described above will be described. FIG. 5 is a flowchart showing the counting process performed by the controller 1.

First, the controller 1 sets the search pointer i designating the number of the track to be processed to 1 (step S201). Then, controller 1
Is the ATRAC number storage area 4b and A of the work memory 4.
The value recorded in the TRAC3 number storage area 4c is cleared, that is, set to zero (step S202).

Then, the controller 1 searches the track information storage area 4a and determines whether or not the recording mode of the track having the number indicated by the search pointer i is the ATRAC mode (step S203).

When it is determined that the recording mode is not the ATRAC mode, that is, the ATRAC3 mode (step S203; NO), the controller 1 causes the ATRAC3
The value of the number storage area 4c is incremented by 1 (step S20
4), the process of step S206 described later is performed.

On the other hand, when it is determined that the recording mode is the ATRAC mode (step S203; YES), the controller 1 increments the value of the ATRAC number storage area 4b by 1 (step S205).

Then, the controller 1 increments the value of the search pointer i by 1 (step S206). Then, the controller 1 determines that the value of the search pointer i is MD
It is determined whether or not it is larger than the total number of tracks recorded in 10 (step S207).

When it is determined that the value of the search pointer i is not larger than the total number of tracks, that is, the total number of tracks or less (step S207; NO), the controller 1
Returns to step S203.

On the other hand, when it is determined that the value of the search pointer i is larger than the total number of tracks (step S207; Y).
ES), the controller 1 ends the counting process and performs the process of step S104 described above. As described above,
The preprocessing for recording and editing the music information ends.

Next, the operation of the mini disk recorder when the number of tracks is increased by recording or editing music information will be described.

When recording or editing music information, the user operates the operation unit 7 in a predetermined procedure to record in a recording mode of a track newly created by recording or editing and the track. Set the song title, etc. The recording mode of the track newly created by editing (for example, DEVIDE) is set to be the same as the recording mode of the original track.

If the user can select whether to automatically write a character string (for example, "LP:") indicating that the music information is recorded in the ATRAC3 format in the title of the music, the user operates The section 7 is operated to set ON / OFF of the LP automatic writing mode.

The controller 1 records or edits music information according to a predetermined signal supplied from the operation unit 7 by the operation of the user. At this time, the controller 1
The address and recording mode of the newly created track are recorded in the UTOC memory 3 and the work memory 4, and the song title input process shown in FIG. 6 is performed to obtain the title of the song recorded in the newly created track. UTOC
Add to information.

First, the controller 1 determines whether or not the recording mode of the newly created track is the ATRAC3 mode (step S301). When it is determined that the recording mode is not the ATRAC3 mode, that is, the ATRAC mode (step S301; NO), the controller 1 increments the value recorded in the ATRAC number storage area 4b of the work memory 4 by 1 (step S3).
02).

Subsequently, the controller 1 controls the title processing section 6 to secure the title area of a new track in the title memory 5. And the controller 1
The title processing unit 6 is controlled to record the title of the song set by the user in the title memory 5 (step S30).
3), the process of step S308 described later is performed.

When the recording mode is determined to be the ATRAC3 mode in the processing of step S301 (step S301; YES), the controller 1 increments the value recorded in the ATRAC3 number storage area 4c of the work memory 4 by one. (Step S304).

Subsequently, the controller 1 determines the LP
It is determined whether or not the automatic writing mode is set to ON (step S305). If it is determined that the LP automatic writing mode is not set to ON, that is, it is set to OFF (step S305; NO), the controller 1
Performs the process of step S303 described above.

On the other hand, when it is determined that the LP automatic writing mode is turned on (step S305; YES), the controller 1 determines that the music information is recorded in the ATRAC3 format in the preset number of title characters. It is determined whether or not there is a space for writing the character string (LP :) indicating Specifically, the controller 1 determines whether or not there are three or more characters left after writing the title set by the user in the number of title characters (step S30).
6).

When it is determined that there are no more than three characters remaining, that is, less than three characters (step S306; NO), the controller 1 performs the above-described processing of step S303. On the other hand, when it is determined that there are three or more characters remaining (step S306; YES), the controller 1 controls the title processing unit 6 to secure the title area of a new track in the title memory 5. And the controller 1
Controls the title processing unit 6 so that the music information is ATRAC.
A character string (LP :) indicating that the data is recorded in 3 formats,
Also, the title of the song set by the user is recorded in the title memory 5 (step S307).

After that, the controller 1 controls the title processing section 6 to acquire the title information of each song stored in the title memory 5. And the controller 1
The UTOC information stored in the UTOC memory 3 is updated by using the acquired title information (step S30
8) Then, the song title input process ends.

As described above, the character string (LP :) indicating that the music information is recorded in the ATRAC3 format is automatically written in the title of the music information recorded in the ATRAC3 format. Thus, when the music information recorded in the ATRAC3 format is reproduced, the character string (LP :) is displayed on the display unit 8 together with the title of the music. The user can determine that the music information being reproduced is recorded in the ATRAC3 format based on the character string displayed together with the title of the song.

Next, the operation of the mini disk recorder when the number of tracks is reduced by editing music information will be described. The user can edit the music information (CONBI
In order to perform NE or ERASE), the operation unit 7 is operated in a predetermined procedure.

The controller 1 edits music information and the like according to a predetermined signal supplied from the operation unit 7 by the operation of the user. At this time, the controller 1 deletes the address of the track deleted by editing or the like from the UTOC information stored in the UTOC memory 3, and also performs the track number changing process shown in FIG.

First, the controller 1 determines whether the recording mode of the track deleted by editing or the like is the ATRAC3 mode (step S401). The recording mode is not ATRAC3 mode, that is, ATRAC
When it is determined that the mode is set (step S401; N
O), the controller 1 is the ATRAC of the work memory 4.
The value recorded in the number storage area 4b is decremented by 1 (step S402), and the track number changing process ends.

On the other hand, when it is determined that the recording mode is the ATRAC3 mode (step S401; YES), the controller 1 decrements the value recorded in the ATRAC3 number storage area 4c of the work memory 4 by 1 (step S401).
403), and the track number changing process ends.

When the recording and editing of the music information is completed as described above, the user presses a predetermined operation button (eject button) provided in the operation section 7 in order to take out the MD 10 from the mini disc recorder. As a result, the operation unit 7 outputs a disc ejection signal instructing the ejection of the MD 10 to the controller 1.

A character string indicating that all music information is recorded in the ATRAC3 format (for example, "ALL;
When it is possible to select whether or not to automatically write "LP:" etc.) in the disc title, the user operates the operation unit 7 to set ON / OFF of the ALL automatic writing mode.

The controller 1 responds to the disc ejection signal supplied from the operation unit 7 by the operation of the user, and starts the disc ejection process shown in FIG. 8 according to the program and data provided in advance.

First, the controller 1 uses the AL
It is determined whether or not the L automatic writing mode is set to ON (step S501). When it is determined that the ALL automatic writing mode is not set to ON, that is, it is set to OFF (step S501; NO), the controller 1 performs the process of step S510 described later.

On the other hand, when it is determined that the ALL automatic writing mode is set to ON (step S501; YE).
S), the controller 1 searches the UTOC memory 3 or the work memory 4 and determines whether the total number of tracks of the MD 10 is zero (step S502).

When it is determined that the total number of tracks is zero (step S502; YES), the controller 1 controls the title processing unit 6 to search the title memory 5,
It is determined whether or not a character string (for example, "ALL;LP:") indicating that all the music information is recorded in the ATRAC3 format is written in the disc title (step S503).

When it is determined that the above character string is not written in the disc title (step S503; N)
O), the controller 1 performs the process of step S510 described later.

On the other hand, when it is determined that the character string is written in the disc title (step S503; Y).
ES), the controller 1 controls the title processing unit 6, deletes the character string from the disc title stored in the title memory 5 (step S504), and performs the process of step S509 described later.

When it is determined that the total number of tracks is not zero in the process of step S502 (step S502; N).
O), the controller 1 is the ATRAC of the work memory 4.
It is determined whether or not the value recorded in the number storage area 4b is zero (step S505). As a result, the controller 1 determines whether or not there is music information recorded in the ATRAC format.

When it is determined that the value of the ATRAC number storage area 4b is not zero (step S505; NO), the controller 1 determines that there is music information recorded in the ATRAC format, and performs the process of step S503 described above. .

On the other hand, when it is determined that the value in the ATRAC number storage area 4b is zero (step S505; YE).
S), the controller 1 determines that there is no music information recorded in ATRAC format. Then, the controller 1 controls the title processing unit 6 to control the title memory 5
, And a character string indicating that all music information is recorded in ATRAC3 format (for example, "ALL;LP:"
Etc.) is written in the disc title (step S506).

When it is determined that the above character string is written in the disc title (step S506; YE
S), the controller 1 performs the process of step S510 described later.

On the other hand, when it is determined that the character string is not written in the disc title (step S506;
NO), the controller 1 determines whether or not there is a space for writing a character string (ALL; LP :) indicating that all music information is recorded in the ATRAC3 format in the preset number of title characters. Specifically, the controller 1 determines whether or not there are seven or more characters remaining after writing the disc title in the number of title characters (step S507).

When it is determined that there are no more than 7 characters remaining, that is, less than 7 characters (step S507; NO), the controller 1 performs the process of step S510 described later. On the other hand, when it is determined that the remaining characters are 7 characters or more (step S507; YES), the controller 1 controls the title processing unit 6 so that the character string (A
LL; LP :) is written (step S508).

Then, the controller 1 controls the title processing unit 6 to acquire the disc title stored in the title memory 5, and updates the UTOC information stored in the UTOC memory 3 (step S509).

Subsequently, the controller 1 includes the recording / reproducing section 2
The UTOC information of the updated UTOC memory 3 is recorded in the UTOC area 11a of the MD 10 (step S510). After that, the controller 1 operates the recording / reproducing unit 2
Is controlled to eject the MD 10 (step S511), and the disc ejecting process ends.

As described above, all music information is AT
Character string indicating that the data is recorded in RAC3 format (AL
L; LP :) is recorded or deleted. This allows
When the MD 10 is set in the recording / reproducing unit 2, for example, as shown in FIG.
As shown in (a), a character string (ALL; L indicating that all music information is recorded in the ATRAC3 format).
P :) is displayed on the display unit 8 together with the title of the MD 10. If there is even one piece of music information recorded in the ATRAC format, the above character string is deleted from the disc title, and only the title of MD10 is displayed on the display unit 8 as shown in FIG. 9B, for example. It As a result, the user can use the ATR for all the music information recorded on the MD10.
It is possible to easily determine whether or not it is recorded in the AC3 format.

In the above embodiment, "ALL;LP:" is shown as an example of a character string indicating that all music information is recorded in ATRAC3 format, but all music information is in ATRAC3 format. Any character string may be used as long as it can be discriminated that it is recorded. Further, it may be possible to indicate that all music information is recorded in the ATRAC3 format by a predetermined mark or indicator.

A character string indicating that all music information is recorded in ATRAC format may be written in the disc title.

A character string indicating the recording mode of each track in more detail may be written in the disc title. For example, the controller 1 searches the track information storage area 4a of the work memory 4 to determine the recording mode of each track. Then, the controller 1 writes a character string indicating the recording mode of each track in more detail in the disc title by using the determination result of the recording mode,
Update TOC information. At this time, the controller 1 uses, as the character string, for example, as shown in FIG.
Number of tracks whose recording mode is ATRAC mode and A
The number of tracks in the TRAC3 mode may be written, and the recording mode is ATRA, as shown in FIG.
The track number in C mode and the track number in ATRAC3 mode may be written.
As shown in (c), a graphical representation of the recording mode of each track may be written. This makes M
When D10 is set in the recording / reproducing unit 2, a character string showing the recording mode of each track in more detail is displayed on the display unit 8.

In the above embodiment, the case where the present invention is applied to the mini disc recorder is shown as an example.
The present invention can be applied to any recording device capable of recording a disc title other than the mini disc recorder. For example, it can be applied to a recording device such as a DVD or a CD (CD-TEXT).

The information to be recorded is not limited to music information, but may include video information and the like.

Further, the apparatus of the present invention does not need to use a dedicated apparatus and can be realized by an ordinary computer. For example, a program and data for causing a computer to execute each of the processes described above are recorded on a recording medium (F
The device of the present invention can be realized by recording and distributing it on a D, CD-ROM, DVD, etc., installing it, and executing it on the OS. Further, the above program and data may be stored in a disk device or the like included in a server device on the Internet, and may be downloaded to a computer, for example, by being superimposed on a carrier wave.

[0074]

As is apparent from the above description, according to the present invention, the recording format of the information recorded in the recording destination can be easily determined.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a mini disk recorder according to an embodiment of the present invention.

FIG. 2 is a configuration diagram of an information recording surface of an MD (Mini Disc).

FIG. 3 is a configuration diagram of a work memory configuring the mini disk recorder of FIG.

FIG. 4 is a flowchart showing a pre-process performed by a controller that constitutes the mini disk recorder of FIG.

5 is a flowchart showing a counting process performed by a controller that constitutes the mini-disc recorder of FIG. 1. FIG.

6 is a flowchart showing a song title input process performed by a controller that constitutes the mini-disc recorder of FIG. 1. FIG.

7 is a flowchart showing a track number changing process performed by a controller that constitutes the mini disk recorder shown in FIG. 1. FIG.

8 is a flowchart showing a disc ejection process performed by a controller that constitutes the mini disc recorder shown in FIG. 1. FIG.

9 is a diagram showing a disc title displayed by a display unit constituting the mini disc recorder shown in FIG. 1. FIG.

10 is a diagram showing a character string displayed on a display unit that constitutes the mini-disc recorder of FIG.

[Explanation of symbols]

1 controller 2 Recording / playback section 3 UTOC (User Table Of Contents) memory 4 work memory 5 title memory 6 Title processing section 7 Operation part 8 Display 10 MD (Mini Disc)

Continued front page    F-term (reference) 5D044 AB05 BC06 CC06 DE23 DE49                       DE53 EF05 GK08 GK12                 5D077 AA30 CA11 EA34 HC06 HC16                       HC17 HC43                 5D110 AA17 AA19 AA27 CB04 CB06                       DA02 DA04 DB03 DC05 DC16                       DC26 DD13 DE01 FA08

Claims (5)

[Claims] 1. A format discriminating means for discriminating a recording format of information recorded in a recording destination, and a discrimination result of the format discriminating means is used to identify a title of the recording destination recorded in the recording destination. An update unit for updating the title information shown, wherein the update unit updates the title information including information on a recording format of the information recorded in the recording destination. . 2. The format discriminating means discriminates whether the recording format of the information is the first recording format or the second recording format, and the updating means determines the discrimination result of the format discriminating means. The information discriminating means for discriminating whether or not the information recorded in the second recording format is present in the recording destination, and the information discriminating means are recorded in the second recording format. When it is determined that there is no information, the title information including a predetermined character string indicating that all the information recorded in the recording destination is recorded in the first recording format is recorded in the recording destination. And a deletion unit that deletes the character string from the title information when the information determination unit determines that the information recorded in the second recording format exists. According to claim 1, Over data recording device. 3. The updating means further comprises a character string discriminating means for discriminating whether or not the title information includes the character string, and the recording means has the character string discriminating means for the title information. If it is determined that the above character string is not included in
The title information including the character string is recorded in the recording destination, and when the deleting means determines that the character string is included in the title information, the deleting means extracts the title information from the title information. The data recording device according to claim 2, wherein the character string is deleted. 4. A format discriminating step of discriminating a recording format of information recorded in a recording destination, and a discrimination result of the format discriminating step is used to identify a title of the recording destination recorded in the recording destination. An updating step of updating the title information shown, wherein the updating step includes a step of updating the title information including information regarding a recording format of the information recorded in the recording destination. Recording method. 5. A format discriminating means for discriminating a recording format of information recorded in a recording destination, and a recording destination recorded in the recording destination by using a discrimination result of the format discriminating means. Updating means for updating the title information indicating the title of the title information, wherein the updating means updates the title information including information regarding a recording format of the information recorded in the recording destination. A program for operating as a data recording device.