JP2002062881A - Apparatus and method for storing music, apparatus and method for providing music, and music storage system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a music storage apparatus which automatically detects music data and manages detected music data and attribute information regarding the detected music data so as to increase the convenience to a user who listens to music. SOLUTION: This music storage device (1) has a music detecting means (10) which detects a music section as the section of information representing music from information including at least sound information, a storing means (20) which is connected to the music detecting means (10) and storages music data corresponding to the detected music section, an attribute input means (30) which inputs attribute information relating to the detected music section, and a music managing means (40) which is connected to the storage means (20) and the attribute input means (30) and relates the music data to attribute information and manages them.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, detecting and storing a portion including music from audio information distributed by a broadcasting station or video information including the audio information, and reproducing the stored music. The present invention relates to an apparatus and method for managing, and an apparatus and method for providing music.

[0002]

2. Description of the Related Art Techniques for automatically extracting music from sound information have been proposed. For example, music performance data is extracted from teletext to expand the source of the music performance data so that the voice matched to the image stored on the floppy (registered trademark) disk can be recorded simultaneously. A technique for recording performance data on a floppy disk is described in JP-A-64-44183.
When recording and recording using a video camera or the like, if music is included in the audio signal to be recorded, a technique for enabling recording up to the frequency band in which the music is recorded is disclosed in Japanese Patent Application Laid-Open No. H05-205572.
No. 289693. A technique for reproducing video data most suitable for a keyword based on a keyword assigned to music data or a keyword automatically extracted from information accompanying the music is described in JP-A-8-63176. For video signals and audio signals that have been subjected to band compression processing such as MPEG, special reproduction such as digest reproduction and double-speed reproduction can be realized with a relatively simple configuration, and the technology that enables the contents of reproduced audio to be well grasped is a special feature. It is described in Kaihei 10-290430.

As a technique for storing music for the purpose of viewing, Japanese Patent Laid-Open No. Hei 10-68158 discloses a technique for inputting sound information of a television or a radio and automatically storing only music data.
The listed technologies are described. JP-A-11-2664
In 35, music is detected from sound information included in video information input via a television broadcast or the like, the detected music and an image corresponding to the music are stored, and the stored music and images are compressed. In addition, a technique has been proposed in which a compressed image is displayed, and music corresponding to the displayed image is played, so that music stored for a long time can be heard.

[0004]

However, according to the above-mentioned prior art, when a user plays back stored music,
There is a problem that it is not possible to select and specify music that the user wants to watch. Therefore, the present invention has been made in view of the above-described problems of the related art, and in order to enhance the convenience of the user when listening to music, the music data is automatically detected, and the detected music data and the detected music data are detected. Music storage device and a music storage method for managing attribute information related to music data.

Another object of the present invention is to provide a music providing apparatus and a music providing method for providing music using the music storage apparatus and the music storage method.

Further, the present invention provides a method for efficiently acquiring attribute information and simplifying a device configuration on a side using attribute information.
An object of the present invention is to provide a music storage system in which a provider of attribute information and a user of attribute information use a server / client format.

[0007]

The invention according to claim 1 is
This is a music storage device whose configuration is shown in FIG. The music storage device 1 according to the present invention includes a music detection unit 10 that detects a music section, which is a section of information representing music, from information including at least sound information, and a music section connected to the music detection unit 10 and Storage means 20 for storing music data corresponding to the music data, attribute input means 30 for inputting attribute information relating to the detected music section, and storage means 2
0 and the attribute management means 4 connected to the attribute input means 30 and managing the music data and the attribute information in association with each other.
0.

According to a second aspect of the present invention, the music management means 40 uses the time at which the music section corresponding to the music data was detected and the identifier of the input source of the music data to associate the music section with the music section. A music storage device that associates the attribute information with the music data.

The invention according to claim 3 is characterized in that the music detecting means 40 analyzes the frequency of the sound information and detects a section in which the obtained frequency spectrum is temporally stable as the music section. Music storage device.

According to a fourth aspect of the present invention, as shown in FIG. 2, edge information is extracted from video information in the information including at least sound information, and the temporal stability and the temporal stability of the extracted edge information are improved. The apparatus further includes character detection means for detecting character information from the edge information based on spatial density, and the attribute input means is connected to the character detection means and converts the detected character information to the attribute information. A music storage device characterized by being input as information.

The invention according to claim 5 is a music storage method for achieving the above object, and FIG. 3 is a flowchart showing the method. As shown in FIG. 3, in the music storage method of the present invention, a step of detecting a music section which is a section of information representing music from information including at least sound information (step 1); A step of storing corresponding music data (step 2), a step of inputting attribute information related to the music section (step 3), and a step of managing the music data in association with the attribute information (step 4). It is characterized by having.

According to a sixth aspect of the present invention, in the step of managing the music data and the attribute information in association with each other, the attribute information related to the music section is a time when the music section corresponding to the music data is detected. And a music storage method associated with the music data using an identifier of the input source of the music data.

In the invention according to claim 7, in the step of detecting the music section, the sound information is subjected to frequency analysis, and a section in which the obtained frequency spectrum is temporally stable is detected as the music section. Music storage method.

Further, in the invention according to claim 8, before the step of inputting the attribute information (step 3), edge information is extracted from video information in the information including at least sound information, and the extracted edge information is extracted. Further comprising the step of detecting character information from the edge information based on the temporal stability and spatial density of the edge information (step 5), and the step of inputting the attribute information (step 3) A music storage method characterized in that the input character information is input as the attribute information. As shown in FIG. 3, this step 5 may be executed before step 3, and the order of step 1 and step 2 does not matter.

A ninth aspect of the present invention is a music providing apparatus whose configuration is shown in FIG. The music providing device 3 of the present invention includes an information input unit 60 for inputting information including at least sound information, and a music section connected to the information input unit 60 and being a section of information representing music from the input sound information. , A storage means 20 connected to the music detection means 10 for storing music data corresponding to the detected music section, and an attribute input for inputting attribute information related to the music section. Means 30, a music management means 40 connected to the storage means 20 and the attribute input means 30 for managing the music data in association with the attribute information, and a music management means 40 connected to the storage means 20 and 70, which is connected to the storage means 20, the conversion means 70, and the music management means 40, for converting the Music providing unit 20 receives music data from the conversion unit 70, receives the attribute information associated with the music data from the music management unit 40, and provides the associated music data and the attribute information to the playback device 7. Means 80.

The invention according to claim 10 relates to a music providing method, and FIG. 5 shows a flowchart of the music providing method of the present invention. As shown in the figure, in the music providing method of the present invention, a step of inputting information including at least sound information (step 11), and a music section which is a section of information representing music from the input sound information is performed. Detecting (step 12), storing music data corresponding to the detected music section (step 13), and inputting attribute information related to the music section (step 1)
4), a step of associating the music data with the attribute information (step 15), and a step of providing the linked music data and attribute information to the playback device in a format suitable for the playback device (step 16). It is characterized by having.

According to the first to tenth aspects of the present invention, for example, music is detected from digital information distributed or broadcast over the Internet, and a user adds an index to the detected music section arbitrarily and stores the index. In addition, it is possible to improve the convenience of the user when listening to music.In particular, attribute information such as a song name or a singer name is analyzed as an index from digital information using telop recognition technology, and music information is associated with the index. And manage it.

Further, according to an eleventh aspect of the present invention, there is provided an information providing apparatus for storing and providing attribute information related to music data, and at least one apparatus connected to the information providing apparatus for storing and reproducing music data. A music storage system including a user terminal, wherein the user terminal is connected to the audio / video input means for receiving at least information including audio information, and the received information is A music detecting means for detecting a music section which is a section of information representing music from; a display means connected to the music detecting means for displaying display data corresponding to the detected music section; and Storage means connected to the display means for storing music data and display data corresponding to the detected music section; and attribute information associated with the detected music section Attribute input means for inputting, conversion means for converting the format of the music data stored in the storage means to a playback format, and playback connected to the conversion means for playing back the music data converted to the playback format Means for managing the music data and the attribute information in association with each other, wherein the information providing apparatus includes a video / sound input means for receiving at least information including video information, and Character detecting means for extracting edge information from the video information, detecting character information from the edge information based on temporal stability and spatial density of the extracted edge information, and detecting the detected character information. And attribute information storage means for storing the attribute information as attribute information that can be specified using the time at which the character information is detected and the identifier of the input source of the character information. The attribute input unit of the user terminal acquires corresponding attribute information from the information providing apparatus using a time at which the music section corresponding to the music data is detected and an identifier of an input source of the music data. It is characterized by doing.

According to the eleventh aspect, in the user terminal, audio information or video information including audio information is input, and a music section is detected from the input audio information or video information. Then, the detected music section is displayed as a list of still images or graphic images of the corresponding video information or texts, and music data and still images or graphic images corresponding to the music sections are stored. By reproducing the music data, the user can listen to the music data while viewing the images or texts corresponding to the music data. Further, by inputting attribute information of music data, selection of music data can be easily performed. Further, by converting music data into one or more formats, the same music data can be reproduced on different types of terminals.

On the other hand, in the information providing apparatus, video information including video information or sound information is input, a music section is detected from the video information including sound information, and character information is detected from the video information. Using the detected music section and / or character information, for example, attribute information such as a song title, an artist name, a lyricist name, a composer name, lyrics, a song length, a detection time, a broadcasting station, etc. can be extracted. By storing at least one of the attribute information, detailed information corresponding to the music data stored in the user terminal can be stored. Further, the user terminal transmits attribute information (that is, detailed information) related to the detected music data via a communication network or the like using an identifier indicating a time at which the music data is detected and an input source of the music data. Thus, it can be obtained from the information providing device.

In the user terminal and the information providing apparatus, music can be detected by analyzing the frequency of the sound information and using the temporal stability of the frequency spectrum. Furthermore, character information can be detected by using temporal stability and spatial density of density and edge information in video information.

[0022]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 6 is a block diagram showing a schematic configuration of the music storage system according to the first embodiment of the present invention. The music storage system according to the present embodiment includes at least one user terminal 8 connected via a communication line 112 and an information providing device 9. The user terminal 8 is a television or radio 1
13, a sound / video input unit 101 for inputting sound information or video information including sound information from a broadcast station, a music detection unit 102 for detecting a music section, and a detected music section for corresponding video information. A display unit 103 for displaying a list of still images or graphic images or text, a storage unit 104 for storing music data and still images corresponding to music sections, a reproduction unit 105 for reproducing music data, An attribute input unit 106 for inputting attribute information and a conversion unit 107 for converting the format of music data are provided. The information providing device 9 includes a video input unit 108 for inputting video information including video or sound information from a broadcasting station via a television or a radio 114, and a music detection unit 109 for detecting a music section.
Character detection unit 110 for detecting character information from video information
And an attribute information storage unit 111 for storing a song name, an artist name, a lyric / composer name, lyrics, a song length, a time, a broadcast station, and the like
And The attribute storage unit 111 is connected to the attribute input unit 106 via the communication line 112.

FIG. 7 is a flowchart showing the flow of processing of the user terminal 8 in the second embodiment of the present invention.
Even when each component of the user terminal 8 is realized by software, the processing of this software is performed according to the flowchart shown in FIG.

The user terminal 8 can take two forms, a form for inputting only sound information and a form for inputting both video information and sound information. In the music detection step 202, the sound information input from the television or radio in the sound input step 201 is subjected to frequency analysis using FFT (Fast Fourier Transform), and the peak position of the frequency spectrum is calculated. Next, music judgment step 203
In, it is determined whether or not the peak of the frequency spectrum has been temporally maintained while being stable in the frequency direction. If the peak exceeds a certain threshold, it is determined that the music is music.

The detection of such music sections is described in, for example, Minami et al., "Video Indexing by Sound Analysis", IEICE General Conference, D-12-64, 1
997 or the like.
For the frequency analysis, a wavelet transform or the like can be used in addition to the FFT.

If the input sound is music, the music starts to be stored in the recording medium in a music storing step 204. At this time, at the same time, video input determination step 2
At 05, it is determined whether video information other than sound information is input. If video information has been input, the process proceeds to a still image creation step 206, where a still image corresponding to the point at which music was started is created. As a point at which the still image is created, an arbitrary point other than the point at which the music is started may be designated, or a still image may be created at the point where a character appears using a character detection technique. On the other hand, when it is determined that the video information has not been input, a pseudo still image prepared in advance is read in the icon reading step 207.

Music storage step 204 for storing music
Is repeated in the music end determination step 208 until it is detected that the music has been stored for more than a certain continuous time and has fallen below the threshold in the music determination step 203, and it is determined that the music has ended. . Note that this threshold may be set arbitrarily. However, detection processing is performed on music data samples in advance by changing several types of thresholds. The threshold may be set when the number of detected data and the number of undetected data intersect. In addition, the user can arbitrarily set the constant continuous time. For example, when only a song song of a song program is to be stored, by setting the time to about 90 seconds, a short time flowing during a commercial can be set. The accumulation of songs can be avoided.

For the stored music, the time at which the music was detected is recorded, and the length of the music is calculated in the detection time / song length storage step 209, and the time and the music length are stored. Subsequently, the process proceeds to the display step 210, and the still image created in the still image creation step 206 or the icon reading step 207 corresponding to the music is displayed on an interface such as a display. The user
By specifying a still image displayed on the interface, it is possible to listen to the corresponding music or to convert the specified music to a sound file in a general-purpose format such as the WAV format.

FIG. 8 is a flowchart showing the flow of processing of the information providing device 9 in the music storage system according to the third embodiment of the present invention. Even when each component of the information providing device 9 is realized by software, the processing of this software is performed according to the flowchart shown in FIG.

The information providing device 9 can take two forms, a form for inputting only video information or a form for inputting both video information and sound information. Video input step 3
In step 01, video information is input, and the input video information is subjected to image processing in a character detection step 302. Next, in the character determination step 303, when there is a portion where the temporal change and the spatial change are stable at the edge portion in the image, it is determined that the character information exists in the image. . If character information is present, the process proceeds to a character recognition step 304, where local binarization of pixel density on each line in the image is performed, a character region is extracted, and the density of connected components in the binarized image is increased. Character recognition is performed using the feature of the degree. If there is no character information, the process returns to the video input step 301.

Next, if sound information is inputted in the sound input judgment step 305, it is judged in the music judgment step 306 whether or not music is playing. If it is determined that no music is playing, the process returns to the video input step 301. If it is determined that music is playing, the process proceeds to a detection time / recognition result storage step 307, where all recognized character information is stored and stored together with the character information detection time. Also, sound input determination step 30
In step 5, even when it is determined that no sound information has been input, the process proceeds to a detection time / recognition result storage step 307, in which all recognized character information is accumulated and stored together with the character information detection time. The character information stored here is
Typically, the recognition result is represented by a character code. However, for example, a character area of an image can be stored as image data.

Next, in the music storage system according to the first embodiment of the present invention shown in FIG. 6, the attribute information input unit 106 acquires attribute information from the attribute information storage unit 111 according to the fourth embodiment of the present invention. The procedure will be described with reference to the timing chart of FIG. Here, it is assumed that the input signal to the music storage system is a general television or radio broadcast signal. The information providing device 9 operates in parallel by the number of television channels to provide information, and the signals input to the user terminal 8 and the information providing device 9 and the internal time are synchronized. Shall be As a method of synchronizing the time, a method of setting the time of the user terminal 8 by referring to the time of the information providing device 9 from the user terminal 8 via a communication line, or a method of setting the time of the user terminal 8 and the information providing device 9 uses the standard time service of the Ministry of Posts and Telecommunications to set each time.

When the user obtains attribute information of a desired music, the user specifies a still image or a pseudo icon corresponding to the music displayed on the user terminal 8 (step 401). The user terminal 8 is connected to the information providing device 9 (step 402). The connection is established, and the start time or the start time and the end time of the desired music stored in the user terminal 8 are transmitted to the information providing device 9 (step 403). Information providing device 9
Searches the stored attribute information for attribute information in which the start time or the start time and the end time coincide with the start time or the start time and the end time transmitted from the user terminal 8 ( Step 404). At this time, between the user terminal 8 and the information providing device 9, for example, an identifier such as a channel number that can specify an input source is additionally stored, and by using this identifier together with time information, for example, Even when music is being played on a plurality of channels at the same time, search results can be narrowed down to specific attribute information. Further, even when the information of the identifier is not used, the search result list is transmitted from the information providing device 9 to the user terminal 8 (step 405), and the search result list is displayed on the user terminal 8 side ( Step 40
6) It is possible for the user to select a desired search result from the search results (step 407). In response to the selection of the search result, the user terminal 8 requests the information providing device 9 for the attribute information corresponding to the selected search result.

When receiving the request for the attribute information from the user terminal 8, the information providing device 9 transmits the selected attribute information to the user terminal 8 (step 408). When the user terminal 8 receives this attribute information (step 409), the communication connection between the user terminal 8 and the information providing device 9 is disconnected (step 410), and the attribute information acquisition procedure ends.

The time information transmitted from the user terminal 8 to the information providing device 9 is not limited to the music start time and the music end time. For example, the time information is an intermediate time between the music start time and the music end time. The providing device 9 may be configured to search for attribute information in which the received intermediate time falls between the start time and the end time in the stored attribute information. This eliminates the need to strictly set the time synchronization between the user terminal and the information providing device.

An information providing device 9 according to a fifth embodiment of the present invention.
Accumulates attribute information including items as shown in FIG. This attribute information can be automatically created using the result of the character recognition described above, but may be edited manually, for example. This attribute information can be stored, for example, in a relational database.

When attribute information matching the time information transmitted from the user terminal 8 or the identifier of the input source is found in the attribute information stored in the information providing device 9, or when the user terminal 8 When the search result is designated from the search result list by the user, the information providing apparatus 9 sets the song title (“title”) and the artist name (“arti”) as shown in FIG.
Attribute information such as “st”) and lyrics (“lyrics”) is returned to the user, so that the user terminal 8 can obtain detailed information of the stored music.

Information providing device 9 according to a sixth embodiment of the present invention
Accumulates attribute information using a description language as shown in FIG. For example, XML or the like can be used as the description language.

As described above, the music storage system according to various embodiments of the present invention detects and stores a portion including music from audio information distributed by broadcast or telecommunication or video information including audio information. It consists of a user terminal for viewing and a server on the network that collects attribute information such as the song title and artist name of the stored music,
This is a system in which a user can easily manage music by a user terminal acquiring attribute information from a server.

The music storage system according to the above-described embodiment of the present invention is not limited to the example described in the above-described embodiment, but includes input / output devices, communication devices, and hardware such as a CPU and a memory of a computer. The parts other than the hardware part are constructed with software (programs) that realize the same functions, recorded on a disk device, etc., and installed on a computer as needed, or downloaded to a computer via a network to download music. It is also possible to provide a storage service. In addition, the built program is stored on a floppy disk, memory card,
It is also possible to store it on a portable recording medium such as a CD-ROM or the like and use it versatilely when using such a service.

Although the representative embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications and applications are possible within the scope of the claims.

[0043]

As described above, the present invention has the following effects.

(1) In the user terminal, sound information or video information including sound information is input, a music section is detected from the input sound information or video information, and the detected music section corresponds to the corresponding video information. The still image or the stylized image or the text is displayed in a list, and the music data corresponding to the music section and the still image or the stylized image are stored, and the music data is reproduced. The user can listen to the music data while viewing the images or texts. Further, by inputting attribute information of music data, selection of music data can be easily performed. Further, by converting music data into one or more formats, the same music data can be reproduced on different types of terminals.

(2) In the information providing device, video information including video information or sound information is input, a music section is detected from the video information including sound information, and character information is detected from the video information. Using the detected music section and / or character information, for example, attribute information such as a song title, an artist name, a lyricist name, a composer name, lyrics, a song length, a detection time, a broadcasting station, etc. can be extracted. By storing at least one of the attribute information, detailed information corresponding to the music data stored in the user terminal can be stored.

(3) Further, the user terminal transmits the attribute information (that is, detailed information) related to the detected music data,
It is possible to obtain accurate detailed information of the music data by obtaining from the information providing device via the communication network or the like using the time at which the music data was detected and the identifier indicating the input source of the music data. become.

(4) In the user terminal and the information providing device, music can be detected by analyzing the frequency of the sound information and using the temporal stability of the frequency spectrum.

(5) Character information can be detected by using temporal stability and spatial density of density and edge information in video information.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a music storage device according to the present invention.

FIG. 2 is a configuration diagram of a music storage device according to the present invention including a character detection unit.

FIG. 3 is a flowchart of a music storage method according to the present invention.

FIG. 4 is a configuration diagram of a music providing apparatus according to the present invention.

FIG. 5 is a flowchart of a music providing method according to the present invention.

FIG. 6 is a schematic configuration diagram of a music storage system according to a first embodiment of the present invention.

FIG. 7 is a processing flowchart of a user terminal according to the second embodiment of the present invention.

FIG. 8 is a processing flowchart of an information providing apparatus according to a third embodiment of the present invention.

FIG. 9 is a timing chart of an attribute information acquisition procedure according to a fourth embodiment of the present invention.

FIG. 10 is an explanatory diagram of attribute information stored in an information providing device according to a fifth embodiment of the present invention.

FIG. 11 is an explanatory diagram of attribute information stored using a description language in an information providing apparatus according to a sixth embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 music storage device 3 music providing device 5 input source 7 reproducing device 8 user terminal 9 information providing device 10 music detecting means 20 storage means 30 attribute inputting means 40 music managing means 50 character detecting means 60 information inputting means 70 converting means 80 music Providing means 101 sound / video input unit 102, 109 music detection unit 103 display unit 104 storage unit 105 playback unit 106 conversion unit 107 attribute input unit 108 video / sound input unit 110 character detection unit 111 attribute information storage unit 112 communication line 113, 114 TV / Radio

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Hidego Kuwano 2-3-1 Otemachi, Chiyoda-ku, Tokyo Inside Nippon Telegraph and Telephone Corporation (72) Haruhiko Kojima 2--3, Otemachi, Chiyoda-ku, Tokyo No. 1 Nippon Telegraph and Telephone Corporation F-term (reference) 5D015 AA06 DD03

Claims (11)

[Claims] 1. A music detection means for detecting a music section which is a section of information representing music from information including at least sound information, and music data connected to the music detection means and corresponding to the detected music section. Storage means for storing; attribute input means for inputting attribute information related to the detected music section; music connected to the storage means and the attribute input means for managing the music data in association with the attribute information A music storage device comprising management means. 2. The music management means according to claim 1, wherein the attribute information associated with the music section is stored in the music data using a time at which the music section corresponding to the music data is detected and an identifier of an input source of the music data. The music storage device according to claim 1, wherein the music storage device is associated with the music storage device. 3. The music detecting means according to claim 1, wherein the music information is subjected to frequency analysis of the sound information, and a section in which the obtained frequency spectrum is temporally stable is detected as the music section. A music storage device as described. 4. Extracting edge information from video information in the information including at least sound information, and extracting character information from the edge information based on temporal stability and spatial density of the extracted edge information. 4. The apparatus according to claim 1, further comprising a character detecting unit for detecting, wherein the attribute input unit is connected to the character detecting unit, and inputs the detected character information as the attribute information. The music storage device according to claim 1. 5. A step of detecting a music section which is a section of information representing music from information including at least sound information; a step of storing music data corresponding to the detected music section; A music storage method, comprising: a step of inputting attribute information obtained by the above-mentioned method; and a step of managing the music data in association with the attribute information. 6. In the process of managing the music data in association with the attribute information, the attribute information related to the music section includes a time at which the music section corresponding to the music data is detected and an input of the music data. The music storage method according to claim 5, wherein the music data is associated with the music data using a source identifier. 7. The step of detecting a music section comprises frequency-analyzing the sound information and detecting a section in which the obtained frequency spectrum is temporally stable as the music section. 7. The music storage method according to 5 or 6. 8. Prior to the step of inputting the attribute information, edge information is extracted from video information in the information including at least the sound information, and temporal stability and spatial density of the extracted edge information are extracted. 6. The method according to claim 5, further comprising a step of detecting character information from the edge information based on the property, wherein the step of inputting the attribute information includes inputting the detected character information as the attribute information. 8. The music storage method according to claim 7. 9. An information input means for inputting information including at least sound information, and a music detecting means connected to the information input means for detecting a music section, which is a section of information representing music, from the input sound information. Storage means connected to the music detection means for storing music data corresponding to the detected music section; attribute input means for inputting attribute information related to the music section; the storage means and the attribute A music management unit connected to the input unit and managing the music data and the attribute information in association with each other; a conversion unit connected to the storage unit and converting the stored music data into a format suitable for a playback device; The storage means, the conversion means, and the music management means are connected to each other, receive music data from the storage means or the conversion means, and receive the music data from the music management means. Music providing means for receiving the attribute information associated with data and providing the music data and the attribute information associated with the music information to a playback device. 10. A step of inputting information including at least sound information; a step of detecting a music section which is a section of information representing music from the input sound information; and a music corresponding to the detected music section Storing the data, inputting attribute information related to the music section, associating the music data with the attribute information, converting the associated music data and attribute information into a format suitable for a playback device. Providing the music to the playback device. 11. A music storage device comprising: an information providing device for storing and providing attribute information related to music data; and at least one user terminal connected to the information providing device for storing and reproducing music data. In the system, the user terminal is a sound / video input unit that receives at least information including sound information, and is connected to the sound / video input unit, and is a section of information representing music from the received information. Music detection means for detecting a certain music section; display means connected to the music detection means for displaying display data corresponding to the detected music section; and connection to the music detection means and the display means, Storage means for storing music data and display data corresponding to the detected music section; attribute input means for inputting attribute information related to the detected music section; Conversion means for converting the format of the music data stored in the storage means to a format for playback; and playback means connected to the conversion means for playing back the music data converted to the format for playback, Managing the music data and the attribute information in association with each other, the information providing device includes: a video / sound input unit that receives at least information including video information; and edge information from video information in the information including at least video information. Character extracting means for extracting and detecting character information from the edge information based on temporal stability and spatial density of the extracted edge information; and detecting the detected character information, wherein the character information is detected. Attribute information accumulating means for accumulating as attribute information that can be designated by using the time of the input and the identifier of the input source of the character information, The attribute input means acquires corresponding attribute information from the information providing device using a time at which the music section corresponding to the music data is detected and an identifier of an input source of the music data. Music storage system.