JP2006228341A - Information recording and reproducing device and method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To automatically set up the sound quality desired by a user for a large amount of music data and to improve the operability. <P>SOLUTION: An HDD 2 records the music data having tag information. An equalizer controller 12 reads the set-up sound quality information and IDs. The counter values are changed according to the operating frequencies of each table and recorded in the sound quality set-up memory 11. When an instruction is given from the CPU 13 to finish reproduction, the equalizer controller 12 reads out the IDs to discriminate the table having one of the sound qualities set up right before the end of reproduction, and the read ID is recorded to the tag information of reproduction completed music data. Thus, it automatically records the ID for the table having one of the set-up sound qualities used frequently in each tag information even in a case of a large amount of music data. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an information recording / reproducing apparatus capable of recording and reproducing information such as music data on a recording medium such as an HDD, and in particular, setting of sound quality adjustment by an equalizer or the like is automatically made to the user's preference. The present invention relates to an information recording / reproducing apparatus and an information recording / reproducing method.

  In recent years, portable players with built-in HDDs that can record and play back large amounts of music data imported from PCs (personal computers) on large-capacity HDDs (Hard Disk Drives) as audio files such as MP3 and ATRAC3 are compressed. It's getting on.

  Also, when music data is imported from the PC to the HDD, tag information such as song name, artist name, and album name can be recorded for each music data by using software dedicated to MP3 files, for example. Sometimes the corresponding song name, artist name, album name, etc. are displayed on the liquid crystal display of the portable player.

  By the way, in such a portable player, there is a case where an equalizer capable of adjusting the sound quality according to the user's preference is mounted. The equalizer is generally capable of adjusting the sound quality for each predetermined band between 20 Hz to 20 kHz which is a human audible band.

  Here, there are two types of equalizers: graphic EQ (equalizer) and parametric EQ (equalizer). The former can adjust the tone by raising and lowering some fixed frequencies (eg low, mid, high), and the latter can set the frequency to adjust between certain ranges. it can.

  However, such adjustment using an equalizer is performed by displaying the equalizer adjustment screen on the LCD of the portable player and adjusting the slider corresponding to each frequency on the screen. Therefore, it is extremely complicated to perform adjustment using an equalizer.

Incidentally, in Patent Document 1, the MP3 file has tag information including at least genres such as normal, classical music, jazz, rock, etc., and frequency characteristic setting means for setting to change the frequency characteristic according to the music to be reproduced, By operating the frequency characteristic setting means for each genre and setting the frequency characteristics, the genre-specific frequency characteristic storage means for storing the frequency characteristics corresponding to each genre, and when the MP3 file song is reproduced, The information genre is discriminated, the frequency characteristic corresponding to the genre is called from the genre-specific frequency characteristic storage means, and the reproduction is provided by the control means for controlling the reproduction of the music to be the called frequency characteristic. MP3 porter that automatically adjusts to the optimal frequency characteristics for the genre of the song It has proposed a Rupureya.
JP 2001-0667100 A

  As described above, according to Patent Document 1, by determining the genre such as normal, classic, jazz, rock, etc. included in the tag information for each piece of music to be reproduced, automatic frequency characteristics suitable for the genre of the music to be reproduced are obtained. Therefore, the adjustment work by the equalizer can be saved.

  However, in order to include the information for discriminating the genre in the tag information, it is necessary for the user to input information indicating the genre for each music data, and in particular, in a large-capacity recording medium such as an HDD. When a large amount of music data is recorded, an operation for inputting information indicating a genre for each music data becomes extremely complicated.

  In addition, if the user forgets to input the information indicating the genre, the adjustment with the optimum frequency characteristic suitable for the genre of the music to be reproduced is not automatically performed.

  The problem to be solved is that by including information indicating the genre in the tag information for each song to be reproduced, the frequency characteristics are automatically adjusted to match the genre of the song to be reproduced. However, when a large amount of music data is recorded on a large-capacity recording medium, the operation of inputting information indicating the genre for each music data becomes extremely complicated. In addition, if the user forgets to input the information indicating the genre, the adjustment with the optimum frequency characteristic suitable for the genre of the music to be reproduced is not automatically performed.

The information recording / reproducing apparatus of the present invention includes a large-capacity recording medium on which data having tag information is recorded, sound quality adjusting means for adjusting sound quality at the time of reproducing data on the recording medium, and sound quality adjustment by the sound quality adjusting means A plurality of tables having sound quality setting information indicating a combination of settings, identification information for identifying each of the tables, and a non-volatile recording unit in which a counter value indicating the use frequency of each table is recorded, Sound quality information control means for reading the sound quality setting information and identification information, changing the counter value according to the frequency of use of the individual tables, and recording the changed value in the nonvolatile recording unit, and the recording medium When there is an instruction to end the reproduction of the data, the sound quality information control means reads the identification information for identifying the table having the sound quality setting information immediately before the end of the reproduction. To perform the out, characterized in that it comprises a control means for controlling the read identification information to be recorded in the tag information of the data that has instructed the reproduction end.
In addition, when the data is reproduced, the control means determines whether or not identification information for identifying the table is recorded in the tag information, and when the identification information is recorded, The sound quality information control means is made to read the sound quality setting information in the table of identification information recorded in the tag information, and the sound quality adjusting means is made to read the sound quality at the time of reproduction with the read sound quality setting information. Can be controlled to adjust.
Further, when the data is reproduced, the control means determines whether or not identification information for identifying the table is recorded in the tag information, and when the identification information is not recorded, The sound quality information control means is made to read the sound quality setting information of the table having the largest counter value according to the frequency of use of the individual tables, and the sound quality adjustment means is used to read the sound quality setting information. Control can be made to adjust the sound quality during playback.
The information recording / reproducing method of the present invention includes sound quality setting information indicating a combination of a recording process in which data having tag information is recorded, a sound quality adjusting process for adjusting sound quality at the time of reproducing the data, and a setting for the sound quality adjustment. A plurality of tables, identification information for identifying each of the tables, a holding step in which a counter value indicating the frequency of use of the individual tables is retained, reading out the sound quality setting information and identification information, A sound quality information control step for changing the counter value according to the frequency of use of each table and recording the changed value, and when there is an instruction to end the reproduction of the data, the sound quality setting information immediately before the end of the reproduction is provided. The identification information for identifying the table is read, and the read identification information is recorded in the tag information of the data instructed to end the reproduction. Characterized by a control step of controlling.
In addition, when the data is reproduced, it is determined whether or not identification information for identifying the table is recorded in the tag information. If the identification information is recorded, the tag information is recorded in the tag information. It is possible to have a control step of reading out the sound quality setting information from the identification information table and controlling the sound quality at the time of reproduction with the read sound quality setting information.
Further, when the data is reproduced, it is determined whether or not identification information for identifying the table is recorded in the tag information. If the identification information is not recorded, use of the individual table is determined. It is possible to have a control step of controlling the sound quality setting information of the table having the largest counter value according to the frequency to be read and controlling the sound quality at the time of reproduction with the read sound quality setting information. it can.
In the information recording / reproducing apparatus and information recording / reproducing method of the present invention, data having tag information is recorded on a large-capacity recording medium, and the sound quality adjusting means adjusts the sound quality at the time of reproducing the data on the recording medium. A plurality of tables having sound quality setting information indicating a combination of sound quality adjustment settings by the sound quality adjusting means, identification information for identifying each table, and a counter value indicating the frequency of use of each table, The sound quality setting information and the identification information are read by the sound quality information control means, the counter value is changed according to the use frequency of each table, and the changed value is recorded in the nonvolatile recording unit. When there is an instruction to end the reproduction of the data on the recording medium, the identification information for identifying the table having the sound quality setting information immediately before the end of reproduction is sent to the sound quality information control means. To perform the out look is controlled so as to record in the tag information of the data has been instructed playback end the read identification information.

  According to the information recording / reproducing apparatus and the information recording / reproducing method of the present invention, data having tag information is recorded on a large-capacity recording medium, the sound quality adjusting means adjusts the sound quality at the time of reproducing the data on the recording medium, and A plurality of tables having sound quality setting information indicating a combination of sound quality adjustment settings by the sound quality adjusting means, identification information for identifying each table, and a counter value indicating the use frequency of each table are recorded in the sound recording unit The sound quality information control means reads out the sound quality setting information and the identification information, the counter value is changed according to the frequency of use of each table, and the changed value is recorded in the nonvolatile recording unit, and the control means Thus, when there is an instruction to end the reproduction of data on the recording medium, the identification information for identifying the table having the sound quality setting information immediately before the end of reproduction is sent to the sound quality information control means. Is read out, and the read identification information is controlled to be recorded in the tag information of the data for which reproduction is instructed. For example, each piece of tag information for a large amount of music data The identification information of the table having the frequently used sound quality setting information is automatically recorded, and the sound quality setting that matches the user's preference can be automatically made during playback, and the sound quality setting when reproducing a large amount of data The operability in can be improved.

  In this embodiment, data having tag information is recorded on a large-capacity recording medium, the sound quality adjustment means adjusts the sound quality at the time of reproduction of the data on the recording medium, and the sound quality adjustment by the sound quality adjustment means is performed on the nonvolatile recording unit. A plurality of tables having sound quality setting information indicating a combination of settings, identification information for identifying each table, and a counter value indicating the use frequency of each table are recorded, and the sound quality information is controlled by the sound quality information control means. Or the identification information is read out, the counter value is changed according to the frequency of use of each table, the changed value is recorded in the nonvolatile recording unit, and the control means instructs the end of reproduction of the data on the recording medium. If there is, the sound quality information control means is made to read the identification information for identifying the table having the sound quality setting information immediately before the end of reproduction, and the read Control is made so that different information is recorded in the tag information of the data for which reproduction is instructed, for example, identification of a table having sound quality setting information frequently used in each tag information for a large amount of music data Information is automatically recorded, and the sound quality setting that matches the user's preference is automatically performed at the time of reproduction, thereby improving the operability in the sound quality setting at the time of reproducing a large amount of data.

  Further, in the present embodiment, for example, when music data is reproduced by the control unit, it is determined whether or not identification information for identifying the table is recorded in the tag information, and when the identification information is recorded. The sound quality information control means reads out the sound quality setting information in the identification information table recorded in the tag information, and the sound quality adjustment means determines the sound quality at the time of reproduction by the read sound quality setting information. Control was made so that the sound can be heard with the same sound quality as the previous playback.

  Further, in the present embodiment, for example, when music data is reproduced by the control unit, it is determined whether or not identification information for identifying the table is recorded in the tag information, and when the identification information is not recorded. The sound quality information control means reads the sound quality setting information of the table with the largest counter value according to the frequency of use of each table, and the sound quality adjustment means reproduces the read sound quality setting information. It was controlled to adjust the sound quality of the time, and the sound quality setting with the sound quality that is often listened to was automatically performed.

Embodiments of the present invention will be described below.
FIG. 1 is a block diagram showing an embodiment when the information recording / reproducing apparatus of the present invention is applied to a portable player with a built-in HDD (Hard Disk Drive), and FIG. 2 is tag information of an MP3 file in the portable player of FIG. FIG. 3 is a diagram for explaining the contents of the sound quality adjustment setting memory of FIG. 1, and FIGS. 4 and 5 are for explaining an information recording / reproducing method by the information recording / reproducing apparatus of FIG. It is a flowchart of.

  A portable player (hereinafter simply referred to as a portable player) with a built-in HDD (Hard Disk Drive) shown in FIG. 1 includes a USB control unit 1, HDD 2, RAM 3, audio processing circuit 4, equalizer circuit 5, converter 6, ROM 7, and display unit 8. , An input unit 9, an automatic sound quality adjustment unit 10, and a CPU 13.

  The USB control unit 1 performs control when taking in music data by, for example, MP3 audio compression from a PC (personal computer) 20 via a USB cable (not shown). It is assumed that the PC 20 can download music data from the Internet or import music data from other media such as a CD (compact disc). In addition, when music data from the PC 20 is taken into the portable player, the music data is transferred to the portable player by using software dedicated to the MP3 file.

  A plurality of music data transferred from the PC 20 is recorded on the HDD 2 as a large-capacity recording medium. Also, tag information of an MP3 file as shown in FIG. 2, for example, is added to each music data. Here, the MP3 file tag information shown in FIG. 2 includes, for example, the MP3 file name “C: \ data \ mp3data \...”, Song name, artist name, album name, table ID, and the like.

  The MP3 file name, song name, artist name, and album name may be input from the MP3 file dedicated software screen displayed on the PC 20 or included in music data from other media such as a commercially available CD. The music information to be recorded may be taken in as it is. The ID as the table identification information is automatically written on the portable player side, and details thereof will be described later.

  The RAM 3 is used as a work area when digital signal processing is performed by the audio processing circuit 4, for example. The sound processing circuit 4 performs sound processing on the music data read from the HDD 2.

  The equalizer circuit 5 as the sound quality adjusting means performs sound processing based on sound quality adjustment instructions from the input unit 9 or sound quality setting information (1) to (n) in the sound quality adjustment setting memory 11 described later of the automatic sound quality adjusting unit 10. The sound quality of the digital signal subjected to the sound processing from the circuit 4 is adjusted.

  The converter 6 converts the digital signal whose sound quality has been adjusted by the equalizer circuit 5 into an analog signal. The analog signal converted by the converter 6 is reproduced by the headphones H, for example.

  The ROM 7 stores a program indicating a control procedure by the CPU 13 and the like. The display unit 8 is formed of, for example, a liquid crystal panel, and the HDD 2 playback status (play / pause / stop / fast forward / rewind), playback mode, EQ mode, remaining battery level, number of songs selected, current song order, tag information ( Song name, artist name, album name), etc. are displayed.

  The input unit 9 has a plurality of buttons related to reproduction of the HDD 2 and the like. The sound quality automatic adjustment unit 10 automatically adjusts the sound quality of the playback sound of the music data stored in the HDD 2, and includes a sound quality adjustment setting memory 11 and an equalizer control processing unit 12.

  For example, as shown in FIG. 3, the sound quality adjustment setting memory 11 as a non-volatile recording unit includes a plurality of sound quality setting information (1) to (n) indicating combinations of settings such as a plurality of sound quality adjustments by an equalizer, for example. , ID as identification information for identifying each table, and a counter value indicating the use frequency of each table are recorded.

  The equalizer control processing unit 12 as sound quality information control means identifies sound quality setting information (1) to (n) and a table indicating combinations of table settings in the sound quality adjustment setting memory 11 in accordance with an instruction from the CPU 13. The ID is read or the counter value is changed according to the frequency of use of each table.

  The CPU 13 as a control unit controls the operation of each unit related to reading and writing of information with respect to the HDD 2 in accordance with an instruction from the input unit 9. Further, when there is an instruction to end reproduction of music data (including stop, skip to the next song, etc.) from the input unit 9, the CPU 13 sets sound quality setting information (1) indicating a combination of equalizer settings immediately before the end. The ID for identifying the table having () to (n) is recorded in the tag information described above, and at the same time, the counter value indicating the use frequency of the corresponding table in the sound quality adjustment setting memory 11 is controlled to be changed.

  Further, when there is an instruction to reproduce music data from the input unit 9, the CPU 13 determines whether or not an ID for identifying the table is recorded in the tag information corresponding to the music data, and the ID is recorded. If so, the equalizer control processing unit 12 is controlled to select a table corresponding to the ID. Thereby, the equalizer circuit 5 is automatically set based on one of the sound quality setting information (1) to (n) of the table corresponding to the ID.

  Further, when the ID for identifying the table is not recorded in the tag information corresponding to the music data for which reproduction has been instructed, the CPU 13 selects the table with the largest counter value for the equalizer control processing unit 12. Control. Thereby, the equalizer circuit 5 is automatically set based on one of the sound quality setting information (1) to (n) of the table corresponding to the ID.

  Next, an information recording / reproducing method will be described. In the following description, it is assumed that the reproduction data is music data, and the above tag information is added to each music data.

  First, as shown in FIG. 4, any music data in which an ID for identifying the table is not recorded in the tag information is being played back, and the playback of the music data from the input unit 9 is stopped (stopping or going to the next song). (Step S1), the CPU 13 reproduces an ID for identifying a table having sound quality setting information (1) to (n) indicating a combination of equalizer settings immediately before the end of reproduction. Control is performed so as to be recorded in the tag information of the music data to be terminated.

  In this case, it is determined whether or not the sound quality adjustment using the equalizer is performed by the user (step S2). If the sound quality adjustment using the equalizer is not performed by the user, the equalizer control processing unit 12 is instructed by an instruction from the CPU 13. Reads out the ID for identifying the table having the largest counter value from the sound quality adjustment setting memory 11 (step S3) and passes it to the CPU 13.

  Then, the CPU 13 performs control so that the received ID is recorded in the tag information added to the music data (step S4).

  At this time, the counter value of the ID for identifying the table read from the sound quality adjustment setting memory 11 is changed by the equalizer control processing unit 12 (step S5), and the changed counter value is recorded in the sound quality adjustment setting memory 11 (Step S6). Thereafter, the reproduction of the music data ends (including stop, skip to the next song, etc.) (step S7).

  On the other hand, when it is determined in (Step S2) that the sound quality adjustment by the user is performed by the user, the set value of the equalizer circuit 5 is read out by the CPU 13 and provided to the equalizer control processing unit 12.

  At this time, the equalizer control processing unit 12 searches the sound quality adjustment setting memory 11 for a table having sound quality setting information (1) to (n) indicating combinations of settings corresponding to the set values (step S8). ID for identifying the table to be transferred is passed to the CPU 13.

  Similarly to the above, the CPU 13 controls the received ID to be recorded in the tag information added to the music data (step S9). At this time, the equalizer control processing unit 12 changes the counter value of the ID for identifying the corresponding table in the sound quality adjustment setting memory 11 (step S10), and the sound quality adjustment setting memory 11 is changed to the sound quality adjustment setting memory 11 as described above. The value of the weighting factor is recorded (step S6), and then the reproduction of the music data ends (including stop, skip to the next song, etc.) (step S7).

  Note that the music data playback end (including stop, skip to the next song, etc.) in (Step S7) is added to the music data with an ID identifying the table in (Step S4) and (Step S9). It may be executed after being recorded in the tag information.

  Next, a case where music data is reproduced will be described.

  First, as shown in FIG. 5, when there is an instruction to reproduce any music data from the input unit 9 (step S11), the audio processing circuit 4 performs audio processing on the music data read from the HDD 2. Then, the sound quality adjustment is performed by the equalizer circuit 5.

  At this time, the CPU 13 determines whether or not an ID for identifying the table is recorded in the tag information added to the music data instructed to be reproduced (step S12).

  When an ID for identifying the table is recorded, the table corresponding to the ID of the sound quality adjustment setting memory 11 is selected by the equalizer control processing unit 12 in accordance with an instruction from the CPU 13 (step S13). Any of the sound quality setting information (1) to (n) indicating the combination is read and passed to the CPU 13.

  At this time, the CPU 13 is controlled so as to be set based on any one of the sound quality setting information (1) to (n) indicating the combination of the table settings from which the sound quality adjustment by the equalizer circuit 5 is read (step S14). .

  Then, the digital signal whose sound quality is adjusted by the equalizer circuit 5 is converted into an analog signal by the converter 6 and reproduced by, for example, the headphones H (step S15). Thereby, the user can listen to the music reproduced with the desired sound quality without adjusting the equalizer.

  On the other hand, if it is determined in (Step S12) that the ID for identifying the table is not recorded, the table having the largest counter value is stored in the sound quality adjustment setting memory 11 by the equalizer control processing unit 12 according to an instruction from the CPU 13. Is selected (step S16), and any one of the sound quality setting information (1) to (n) indicating the combination of settings in the table is passed to the CPU 13.

  Similarly to the above, the CPU 13 is controlled so as to be set based on any of the sound quality setting information (1) to (n) indicating the combination of the table settings from which the sound quality adjustment by the equalizer circuit 5 is read. (Step S14), the digital signal whose sound quality has been adjusted by the equalizer circuit 5 is converted into an analog signal by the converter 6, and reproduced by, for example, the headphones H (Step S15).

  As described above, in this embodiment, music data having tag information is recorded in the HDD 2, the sound quality at the time of reproduction of the music data is adjusted by the equalizer circuit 5, and the sound quality by the equalizer circuit 5 is stored in the sound quality adjustment setting memory 11. A plurality of tables having sound quality setting information (1) to (n) indicating combinations of adjustment settings, an ID for identifying each table, and a counter value indicating the use frequency of each table are recorded, and equalizer control is performed. The processing unit 12 reads out the sound quality setting information (1) to (n) and the ID, the counter value is changed according to the frequency of use of each table, and the changed value is stored in the sound quality adjustment setting memory 11. When the recording is instructed by the CPU 13 to end the reproduction of the music data, the sound quality setting information immediately before the end of the reproduction is sent to the equalizer control processing unit 12. Control is performed so that the ID for identifying the table having any one of 1) to (n) is read, and the read ID is recorded in the tag information of the music data instructed to end playback. Therefore, for example, for a large amount of music data, the ID of a table having one of the frequently used sound quality setting information (1) to (n) is automatically recorded in each tag information, and automatically when played back In addition, the sound quality setting suitable for the user's preference can be performed, and the operability in the sound quality setting when reproducing a large amount of music data can be improved.

  In the present embodiment, for example, when music data is played back, the CPU 13 determines whether or not an ID for identifying the table is recorded in the tag information. If the ID is recorded, the equalizer control is performed. The processing unit 12 is caused to read any of the sound quality setting information (1) to (n) in the table of IDs recorded in the tag information, and the sound quality setting that has been read is made to the equalizer circuit 5. Since any one of the information (1) to (n) is controlled to adjust the sound quality at the time of reproduction, it is possible to listen to the sound with the same sound quality as at the time of the previous reproduction.

  In the present embodiment, for example, when music data is played back, the CPU 13 determines whether or not an ID for identifying the table is recorded in the tag information. If the ID is not recorded, the equalizer control is performed. The processing unit 12 is caused to read any one of the sound quality setting information (1) to (n) of the table having the largest counter value according to the frequency of use of each table, and the equalizer circuit 5 reads the information. Since the sound quality setting information (1) to (n) is controlled so as to adjust the sound quality at the time of reproduction, it is possible to automatically set the sound quality with the sound quality that is frequently listened to. it can.

  In the present embodiment, the sound quality adjustment using the equalizer has been described. However, the sound volume adjustment using the volume may be included.

  In the present embodiment, since the sound quality adjustment setting memory 11 stores a plurality of tables having sound quality setting information (1) to (n) indicating combinations of sound quality adjustment settings by the equalizer circuit 5, music At the time of data reproduction, any of the tables may be directly selected by operating any button of a portable player with a built-in HDD.

  In this case, it is possible to omit the adjustment operation by the equalizer by displaying the equalizer adjustment screen on the liquid crystal display unit of the portable player with a built-in HDD and adjusting the slider corresponding to each frequency on the screen.

  Further, the sound quality setting information (1) to (n) of each table may be organized by genre such as rock, pop, rap, etc. In this case, direct selection of the table is further facilitated. be able to.

  Also, the sound quality setting information (1) to (n) of each table is divided into folders so that each user who shares the portable player with a built-in HDD can be used exclusively, and an identification number for each user is assigned to each folder. It may be recorded in the sound quality adjustment setting memory 11.

  In this case, when a portable player with a built-in HDD is shared by, for example, a family, each user can automatically perform reproduction with a desired sound quality by designating a folder.

  The present invention is not limited to a portable player with a built-in HDD, but can be applied to other information recording / reproducing devices such as a DVD player with a built-in large-capacity recording medium.

1 is a block diagram showing an embodiment when the information recording / reproducing apparatus of the present invention is applied to a portable player with a built-in HDD (Hard Disk Drive). It is a figure which shows an example of the tag information of the MP3 file in the portable player of FIG. It is a figure for demonstrating the content of the sound quality adjustment setting memory of FIG. 7 is a flowchart for explaining the end of reproduction of music data in the information recording / reproducing method by the information recording / reproducing apparatus in FIG. 1. 3 is a flowchart for explaining the reproduction of music data in the information recording / reproducing method by the information recording / reproducing apparatus of FIG. 1.

Explanation of symbols

1 Control unit 2 HDD
4 Audio processing circuit 5 Equalizer circuit 6 Converter 8 Display unit 9 Input unit 10 Sound quality automatic adjustment unit 11 Sound quality adjustment setting memory 12 Equalizer control processing unit

Claims (6)

A large-capacity recording medium on which data having tag information is recorded;
Sound quality adjusting means for adjusting the sound quality at the time of reproduction of the data of the recording medium;
A plurality of tables having sound quality setting information indicating a combination of sound quality adjustment settings by the sound quality adjusting means, identification information for identifying each of the tables, and a counter value indicating the frequency of use of each table are recorded. A non-volatile recording unit,
Sound quality information control means for reading the sound quality setting information and identification information, changing the counter value according to the frequency of use of the individual tables, and recording the changed value in the nonvolatile recording unit,
When there is an instruction to end the reproduction of the data on the recording medium, the sound quality information control unit is caused to read the identification information for identifying the table having the sound quality setting information immediately before the end of the reproduction. Control means for controlling to record identification information in the tag information of the data for which the reproduction end instruction has been given. An information recording / reproducing apparatus comprising:   When the data is reproduced, the control means determines whether or not identification information for identifying the table is recorded in the tag information, and if the identification information is recorded, the sound quality information The control means reads out the sound quality setting information in the identification information table recorded in the tag information, and the sound quality adjusting means adjusts the sound quality at the time of reproduction by the read sound quality setting information. The information recording / reproducing apparatus according to claim 1, wherein the information recording / reproducing apparatus is controlled to do so.   When the data is reproduced, the control means determines whether or not identification information for identifying the table is recorded in the tag information, and if the identification information is not recorded, the sound quality information The control means is made to read the sound quality setting information of the table having the largest counter value according to the frequency of use of the individual tables, and the sound quality adjusting means is reproduced with the read sound quality setting information. The information recording / reproducing apparatus according to claim 1, wherein the information recording / reproducing apparatus is controlled so as to adjust a sound quality. A recording process in which data having tag information is recorded;
A sound quality adjustment step for adjusting the sound quality during reproduction of the data;
A plurality of tables having sound quality setting information indicating a combination of the sound quality adjustment settings, identification information for identifying each of the tables, and a holding process for holding a counter value indicating the use frequency of each of the tables;
Sound quality information control step of reading the sound quality setting information and identification information, changing the counter value according to the frequency of use of the individual table and recording the changed value;
When there is an instruction to end the reproduction of the data, the identification information for identifying the table having the sound quality setting information immediately before the end of the reproduction is read, and the read identification information is instructed to end the reproduction. And a control step of controlling to record the data in the tag information.   When the data is reproduced, it is determined whether or not identification information for identifying the table is recorded in the tag information. If the identification information is recorded, the tag information is recorded in the tag information. 5. The control process according to claim 4, further comprising: controlling the sound quality setting information in the identification information table to be read and adjusting the sound quality at the time of reproduction by the read sound quality setting information. Information recording and playback method.   When the data is reproduced, it is determined whether or not identification information for identifying the table is recorded in the tag information. If the identification information is not recorded, the frequency of use of the individual table is determined. And a control step of controlling the sound quality setting information of the table having the largest counter value to be read out and adjusting the sound quality at the time of reproduction with the read sound quality setting information. 6. The information recording / reproducing method according to 4 or 5.

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