JP2010003363A - Content recording device, method, and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow a portable sound recording device 10, which can reproduce the sound of the audio files stored in its built-in memory 33 or an SD card loaded in it, to efficiently retrieve the record files recorded by itself among the audio files recorded by itself and transferred from other sound recording devices. <P>SOLUTION: The portable sound recording device 10 manages the names of the audio files to store in its memory with a standard of adding "-" for classifying them, like "Track number"-"Artist name"-"Musical piece name"-"Album name"-"genre". The record files which this portable sound recording device 10 has recorded by itself are stored in the audio files with their names by adding unique serial numbers 0001, 0002, ..., to their track numbers, "RECORDED" to the artist names, and "recording equalizer+REC" to the genre. The recording equalizer include a voice, live, or other modes. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a content recording apparatus, method, and program for creating a content file from a content signal supplied from a built-in microphone or the like and storing it in a storage medium.

  A known portable recording device uses an internal microphone to record various sounds as audio files such as WMA in the internal memory or a removable SD card, etc., and stores it in its own memory. There is something that can play the sound of an audio file. The portable recording device is connected to a personal computer with a USB cable or the like, and transfers music files from the personal computer to its own memory, or uses a flash memory storing the music files on other audio devices or personal computers. Sounds such as music files can also be played by attaching them to slots.

  In a conventional recording device including the portable recording device, when a recording file created by the own device is stored in a memory in the own device, an existing audio file in the memory is overwritten by the recording file so that it is not lost. In order to do this, the recording file is stored with a name different from the name of the existing audio file, with the file name of the recording file being a serial number or time stamp.

On the other hand, in Patent Document 1, in an information processing apparatus equipped with a recording function, when a recording file name is made a serial number or the like, a user searches for a desired recording file later based on the file name. It is pointed out as a problem that the recorded contents cannot be clearly recalled (paragraph 0007 and FIG. 9 of Patent Document 1). In order to cope with this, the information processing apparatus of Patent Document 1 pays attention to the fact that the information processing apparatus has installed schedule software (FIG. 6 of Patent Document 1), and corresponds to the date and time when recording was performed from the schedule table. The file name corresponding to the schedule (“Meeting with company 10: 00-12: 00A” in the example of the figure of Patent Document 1) (“Meeting company A” in the example of FIG. 5 of Patent Document 1) is searched. ]) Store the recording file.
JP 2001-243199 A

  In a recording device, audio files such as music files (including files without file names and tag information) transferred from other devices and audio files created by recording on the device may be mixed in the memory of the device. Can happen. The recording device classifies the audio files stored in its own memory based on the file name or artist name included in the tag information, and displays the list, whereby the user can select the desired audio file. However, an audio file with a file name that is a serial number or the like and no tag information is simply displayed as “No Information” or “UNKNOWN”. It takes time to find the audio file you created.

  Making the name of the audio file in the information processing apparatus of Patent Document 1 the same or similar to the schedule name in the schedule table can be applied only to the information processing apparatus in which the schedule software is installed, and the schedule software is installed. Even if an information processing device that has not been installed or schedule software is installed, it cannot be applied to audio files recorded at a date and time when the schedule is not registered in the schedule table.

  According to Patent Document 1, a recording format (eg, 8 kHz, 8 bits, stereo) is used as a file name (eg, 8k8b2ch.wav) for an audio file recorded at a date and time when the schedule is not registered in the schedule table. Is also disclosed (paragraph 0028 of Patent Document 1). However, the file name of the recording format only indicates the recording format, and does not indicate that it is recorded by the own device.

  An object of the present invention is to provide a content recording apparatus, method, and program that can efficiently find a content file created by the device itself.

  According to the present invention, self-created information that the self-device has created the content file is included in the file name and / or tag information of the content file created by the self-device. A typical content recording apparatus is capable of performing a predetermined classification based on a file name and / or tag information and displaying a list of content files stored in its own storage medium. At this time, the self-created information that the self-machine has created the content file included in the file name and / or tag information is used.

The content recording apparatus of the present invention includes the following.
Content data generation means for generating content data for a content file from the supplied content signal;
Recording related information generating means for generating a file name and / or tag information with self-created information indicating that the content file is created by the device itself, for the content file of the content data generated by the content data generating means, And content file storage means for storing the content file of the content data generated by the content data generation means in a storage medium with the file name generated by the recording related information generation means and / or a file with tag information.

The content recording method of the present invention includes the following steps.
A content data generation step for generating content data for a content file from the supplied content signal;
A record-related information generation step for generating a file name and / or tag information with self-created information indicating that the content file is created by the device itself, for the content file of the content data generated in the content data generation step; And a content file storage step of storing the content file of the content data generated in the content data generation step with the file name generated in the recording-related information generation step and / or as a file with tag information, and storing it in a storage medium.

  The program of the present invention causes a computer to function as each unit of the content recording apparatus of the present invention.

  According to the present invention, the content file created by the device itself includes the file name and / or tag information because the file name and / or tag information includes self-created information that the device has created the content file. Based on the self-created information in the information, the self-created content file can be found efficiently.

  FIG. 1 is a front view of the portable recording device 10. The portable recording device 10 also serves as a DAP (Digital Audio Player). The portable recording device 10 is equipped with a total of three microphones, a central microphone 11 and left and right microphones 121 and 12r. The central microphone 11 is provided on the upper end surface of the portable recording device 10. The left and right microphones 12 l and 12 r are provided on the left and right side surfaces of the upper end portion of the portable recording device 10. The display unit 13 and the operation unit 14 occupy substantially the upper half and the lower half of the front surface of the portable recording device 10, respectively. The display unit 13 uses liquid crystal and displays various types of information related to recording and reproduction.

  The operation unit 14 includes a recording key 17, a play / stop key 18, an up movement key 19u, a down movement key 19d, a volume increase key 20u, a volume decrease key 20d, and the like. The recording key 17 is disposed on the upper side of the operation unit 14 and is pressed at the start of recording. The play / stop key 18 is arranged at substantially the center of the operation unit 14 and is switched alternately between play and stop each time the user presses it. The play / stop key 18 is also pressed to stop recording. The up movement key 19u and the down movement key 19d are the upper and lower parts of the frame surrounding the play / stop key 18. The frame is configured such that the user selects and presses one of the upper, lower, left, and right portions. The up movement key 19u and the down movement key 19d are pressed when, for example, cursor movement, hierarchy movement, and increase / decrease of set values such as recording level. The volume increase key 20u and the volume decrease key 20d are arranged on the right side of the operation unit 14, and each time the volume increase key 20u and the volume decrease key 20d are pressed, the playback volume increases and decreases in stages. Yes.

  The peak over LED 21 is provided between the display unit 13 and the operation unit 14 and lights red when a peak over level occurs. The headphone 23 can be plugged into a jack (not shown) provided on the lower end surface of the portable recording device 10. The portable recording device 10 is equipped with a built-in memory 33 (FIG. 2) formed of a flash memory, and an SD card can be loaded from a card slot 32 (FIG. 2) on the lower end surface. The user attaches the left and right sound emission parts of the headphones 23 to the left and right ears, respectively, and listens to the reproduction sound and the monitor sound from the sound emission part during reproduction and recording.

  The portable recording device 10 further includes a microphone terminal and a LINE_IN terminal on the side surface. The microphone terminal is detachably mounted with a plug of an external microphone cable. A cable from the LINE_OUT terminal of another recording device is connected to the LINE_IN terminal, and an analog audio reproduction signal reproduced by the other recording device is supplied via the cable. The portable recording device 10 can also record a sound related to an analog audio reproduction signal input to the LINE_IN terminal.

  FIG. 2 is a block circuit diagram of the portable recording device 10. The USB connector 31 is configured such that a mini-B terminal of a USB cable is detachably attached. The card slot 32 is loaded with an SD card so that it can be inserted and removed. The built-in memory 33 is composed of a NAND flash memory like the SD card, and is always equipped.

  The system LSI 35 includes a CPU 36 and an encoder / decoder 37. The CPU 36 sends control signals to the USB connector 31, the card slot 32, and the built-in memory 33, and controls data transmission / reception between the system LSI 35 and other devices (for example, personal computers), the SD card and the built-in memory 33. The encoder / decoder 37 decodes the audio data received from the SD card in the card slot 32 or the built-in memory 33 based on the format of the audio file related to the audio data, or sends the audio data to the SD card in the card slot 32 or the built-in memory 33. Data is encoded in advance based on the format of an audio file related to the audio data.

  A microphone amplifier 40 and an analog / digital converter 41 are prepared for each microphone 11, 12 l, 12 r, and the audio signal generated by each microphone 11, 12 l, 12 r is amplified by the corresponding microphone amplifier 40. The analog signal is converted into a digital signal by the corresponding analog / digital converter 41 and then supplied to the equalizer 44 of the DSP 43. The equalizer 44 processes the digital audio signal from the analog / digital converter 41 in a recording equalizer format set by the user, and supplies it to the encoder / decoder 37.

  The encoder / decoder 37 supplies a digital audio signal obtained by decoding the data of the audio file to the digital / analog converter 48 when reproducing the sound of the audio file. The digital / analog converter 48 converts the digital audio signal into an analog audio signal. The analog audio signal is amplified by the headphone amplifier 49 and then sent to the headphone 23, where it is converted into sound by the headphone 23. Is output.

  FIG. 3 shows a state in which recording files 53a, 53b, 53c,... Created by the portable recording device 10 by recording on the own device are stored in the memory of the own device. The portable recording device 10 stores recording files 53 a, 53 b, 53 c,... Created by recording with its own device in the SD card of the card slot 32 or the built-in memory 33. Which memory is stored is set in advance by the user of the portable recording device 10. In FIG. 3, the recording files 53a, 53b, 53c,... Are stored directly under the root in the memory, but a folder dedicated to the recording file created by the own device is created in a hierarchy one level below the root, It can also be stored in the folder.

  In the portable recording device 10, “track number”-“artist name”-“music name”-“album” are separated by “-” for the file names of audio files such as music files stored in the memory. The recording files 53a, 53b, 53c,... Are processed in accordance with the standard “name”-“genre”. The portable recording device 10 records the file names of the recording files 53a, 53b, 53c,... Created by recording on its own device in the track number, artist name, and genre areas in the file name standard. "Serial number", "RECORDED", and "Recording equalizer + REC" are written, and the other areas are blanked, and "serial number"-"RECORDEDD"---"recording equalizer REC" are set. The serial number is unique among recorded files.

  Recording equalizers include, for example, voice (collecting the voice of a speaking person, such as a conference over a wide range), live (natural and wide-ranging recording), and interview (recording focusing on nearby human voices, FIG. “Voice REC”, “Live REC”, and “Interview” mean that the recording equalizer is Voice, Live, and Interview, respectively. Recording focused on the vocal part of the range), low cut 1 (cuts bass noise), and low cut 2 (cuts bass noise in a wider range than low cut 1).

  The file names of the recording files 53a, 53b, 53c,... In FIG. There is a possibility that a recording file with the same file name is created for a plurality of recordings only by the identification of two elements of “RECORDEDED” and “RECORDING EQUALIZER + REC”. Is prevented from being overwritten by a new recording file.

  The portable recording device 10 names the recording file created by recording with its own device as described above, and the two elements “RECORDEDED” and “RECORDING EQUALIZER + REC” are tags of the recording file. Also used as information. For example, an artist name and a genre number can be written in an ID3 tag of MP3.

  FIG. 4 shows the contents of the ID3 tag in the recording file when the portable recording device 10 records the recording by the portable recording device 10 as an MP3 recording file. The recording file of FIG. 4 corresponds to the recording file 53a of FIG.

  In FIG. 4, the same “0001-RECORDED --- Voice REC” text as the file name (see FIG. 3) is written in the tag area of the title (= music name). In the tag area of the artist, “RECORDED” indicating that the recording file is created on the own device is written in the tag area of the genre, and the recording equalizer used when the recording file is created is associated with the tag area of the genre. Number is written.

  FIG. 5 shows an example of the correspondence between each recording equalizer and the number to be written in the genre tag area. The tag area number of the genre in FIG. 4 is “253”, which means that the recording equalizer is a voice. The portable recording device 10 writes a number in the genre area of the ID3 tag or displays a recording equalizer from the number in the genre area based on the association in FIG. 5 when storing the recorded file and playing or searching the audio of the recorded file. To do.

  Returning to FIG. 4, in the comment tag area, the recording equalizer used when the recording file was created is described in text. In the description contents of the ID3 tag in FIG. 4, the recording equalizer at the time of creating the recording file is described redundantly in the genre and the comment, but either one can be omitted. The tag description contents of the recording files 53b, 53c,... Other than the recording file 53a in FIG. 3 are also described in the same manner as the recording file 53a.

  When searching for an audio file in the memory in the portable recording device 10, the audio file is classified into a file name and / or an artist name or a genre in a tag, and the audio files of each classification are displayed in a predetermined order (eg, Japanese syllabary). The list is displayed in order or writing order). Since all the artist names of the recording files created by recording on the own device are “RECORDED”, the user uses the portable recording device 10 for the audio file whose artist name is “RECORDED”. You can immediately see that it was recorded. Also, when searching for audio files by genre, each recording file is displayed on the display unit 13 in a different genre for each recording equalizer used at the time of creation, so that the user is a recording file created by the user from the genre. And its recording equalizer.

  FIG. 6 is a functional block diagram of the content recording device 60. An example of the content recording device 60 is the portable recording device 10 described above. The content recording device 60 is not limited to recording sound in a file format. A video (moving image) or still image may be recorded in a file format. The content recording device 60 is not limited to a portable type. The content recording device 60 is indispensable for a recording function, but may not be equipped with a reproducing function. The content recording device 60 includes content data generation means 61, recording related information generation means 62, and content file storage means 63.

  The content data generation unit 61 generates content data for a content file from the supplied content signal. The recording related information generating unit 62 generates a file name and / or tag information with self-created information indicating that the content file is created by the own device for the content file of the content data generated by the content data generating unit 61. To do. The content file storage unit 63 stores the content file of the content data generated by the content data generation unit 61 in the storage medium 66 with the file name generated by the recording related information generation unit 62 and / or a file with tag information. To do.

  The content signal that is the basis of the content data generated by the content data generating means 61 is typically generated by the built-in microphone of the content recording device 60, but is not limited to the built-in camera, external microphone, video device, or playback. It may be generated by a device. The recording file is, for example, an MP3, WAV or WMA format audio file, an MP3 video file, or a JPEG image file. The recording file is not limited to a compressed format. It may be an uncompressed format (eg, WAV audio file).

  The recording related information generating unit 62 generates (a) a file name including information indicating the creation of the own device and (b) tag information including information indicating the creation of the own device for the content file generated by the own device. Either or both of generating can be performed. Similarly, the content file storage means 63 sets (c) a file name including information indicating the creation of the own device and (d) information indicating the creation of the own device for the content file stored in the storage medium 66. Either or both of including tag information can be performed. In this specific example, the portable recording device 10 uses a file name including “RECORDED” for an audio file created by itself (FIG. 3), and adds “RECORDED” text to the tag information of the audio file. (FIG. 4).

  Specific examples of the storage medium 66 are a built-in memory 33 and a removable SD card. In a typical storage medium 66 of the content recording device 60, a content file created by itself is mixed with a content file such as a music file ripped and transferred by a personal computer or another recording device. In the content recording device 60, since the content file recorded by the user himself / herself is included as the file name and / or tag information, it can be efficiently found by searching based on the content file.

  Preferably, the recording related information generating unit 62 generates a file name and / or tag information with information related to recording related user settings based on the content data generating unit 61 generating content data. The recording related user setting is, for example, a recording equalizer in the portable recording device 10.

  Typically, the recording related information generating means 62 generates a file name and / or tag information in which the self-created information is written in the first information area of the file name and / or tag information, and the recording related user setting is set. The file name and / or tag information in which the information is written in the second information area different from the first information area of the file name and / or tag information is generated. The first and second information areas are, for example, an artist name area and a genre area, respectively. In the example of FIG. 3 in the portable recording device 10, a recording equalizer of “voice REC” or “live REC” is written in the genre area of the file name. If various information at the time of creation is written for each area as described above, search and sorting can be performed based on the information, and the content file recorded by the user in the content recording device 60 can be searched more efficiently.

  Typically, the recording-related information generating unit 62 generates a file name including identifiers that are different from each other between the content files created by itself. A specific example of the identifier is a serial number such as “0001”, “0002”,... In FIG. A time stamp as a recording date and time may be used instead of the serial number.

  FIG. 7 is a flowchart of the content recording method. The content recording method is applied to the content recording device 60. In S71, content data for a content file is generated from the supplied content signal.

  In S72, for the content file of the content data generated in S71, a file name and / or tag information with self-created information indicating that the content file is created by the own device is generated. In S73, the content file of the content data generated in S71 is stored in the storage medium 66 with the file name generated in S73 and / or a file with tag information.

  The processes of S71 to S73 correspond to the functions of the content data generation unit 61 to the content file storage unit 63 of the content recording device 60 (FIG. 6), respectively. Therefore, the specific mode described for the functions of the content data generating unit 61 to the content file storage unit 63 can be applied as a specific mode for the processing of S71 to S73.

   The program to which the present invention is applied causes a computer to function as each unit of the content recording device 60. Another program to which the present invention is applied causes a computer to execute each step of the content recording method.

  This specification discloses various ranges and levels of the invention. The invention is not limited to the various technical scopes and specific levels of the apparatuses and methods described in the present specification, but within the scope of obviousness of those skilled in the art, the actions and effects independent of the apparatuses and methods. Extracting one or more elements to be played, one or more elements changed within a self-evident range, and combinations of one or more elements between devices and methods Including things.

It is a front view of a portable recording device. It is a block circuit diagram of a portable recording device. It is a figure which shows the state in which the recording file which the portable recording device produced by recording with an own machine is stored in the memory of an own machine. It is a figure which shows the content of the ID3 tag in this recording file in case a portable recording device records the recording with an own apparatus by the recording file of MP3. It is a figure which shows an example of matching with each recording equalizer and the number written in the tag area | region of a genre. It is a functional block diagram of a recording device. It is a flowchart of the recording method.

Explanation of symbols

60: content recording device, 61: content data generation means, 62: recording related information generation means, 63: content file storage means, 66: storage medium, 70: content recording method.

Claims (8)

Content data generation means for generating content data for a content file from the supplied content signal;
Recording related information generating means for generating a file name and / or tag information with self-created information indicating that the content file is created by the device itself, for the content file of the content data generated by the content data generating means, And a content file storage means for storing the content file of the content data generated by the content data generation means in a storage medium with the file name generated by the recording related information generation means and / or a file with tag information,
A content recording apparatus comprising:   The recording related information generating unit generates a file name and / or tag information with information of recording related user settings based on the content data generating unit generating the content data. 1. The content recording device according to 1.   3. The recording related information generation unit generates a file name and / or tag information in which the self-created information is written in a first information area of a file name and / or tag information. Content recording device.   The recording related information generating means stores the file name and / or tag information in which the recording related user setting information is written in a second information area different from the first information area of the file name and / or tag information. The content recording device according to claim 3, wherein the content recording device is generated.   5. The content recording apparatus according to claim 4, wherein the first and second information areas are an artist name area and a genre area, respectively.   The content recording apparatus according to claim 1, wherein the recording related information generating unit generates a file name including identifiers different from each other between content files created by the own device. A content data generation step for generating content data for a content file from the supplied content signal;
A record-related information generation step for generating a file name and / or tag information with self-created information indicating that the content file is created by the device itself, for the content file of the content data generated in the content data generation step; And a content file storage step of storing the content file of the content data generated in the content data generation step with the file name generated in the recording related information generation step and / or a file with tag information, and storing it in a storage medium,
A content recording method comprising:   A program that causes a computer to function as each unit of the content recording device according to claim 1.

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