WO2013019057A2 - Appareil pour la sélection automatique de musique selon la préférence d'un utilisateur - Google Patents

Appareil pour la sélection automatique de musique selon la préférence d'un utilisateur Download PDF

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Publication number
WO2013019057A2
WO2013019057A2 PCT/KR2012/006087 KR2012006087W WO2013019057A2 WO 2013019057 A2 WO2013019057 A2 WO 2013019057A2 KR 2012006087 W KR2012006087 W KR 2012006087W WO 2013019057 A2 WO2013019057 A2 WO 2013019057A2
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WO
WIPO (PCT)
Prior art keywords
user
music
music file
list
information
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Application number
PCT/KR2012/006087
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English (en)
Korean (ko)
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WO2013019057A3 (fr
Inventor
김희찬
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주식회사 제이디사운드
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Publication of WO2013019057A2 publication Critical patent/WO2013019057A2/fr
Publication of WO2013019057A3 publication Critical patent/WO2013019057A3/fr

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/038—Cross-faders therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/327—Table of contents
    • G11B27/329—Table of contents on a disc [VTOC]

Definitions

  • the present invention relates to an automatic selection apparatus for generating a list of songs having similar pattern information through user's taste information. More particularly, the present invention analyzes a music file based on taste or feeling through spectrum analyzer to generate pattern information. By creating a list by extracting songs similar to the music file selected by the user, the user maximizes convenience and satisfaction when listening to music, and creates a ring type by properly mixing similarity rankings when creating a list.
  • the present invention relates to an automatic selection apparatus according to a user's taste capable of minimizing a width of a pattern change such as a taste or a feeling between songs.
  • One method is to create a playlist by automatically selecting music that meets the user's preferences. Using the data on the music stored in the storage unit of the terminal, the user inputs a taste standard desired by the user to the input unit of the terminal to automatically select music that meets the criteria.
  • the terminal automatically selects music that meets the user's taste standard among the stored music.
  • the user's taste criteria input to the input unit may be a song name, a composer, and a record name of a song. If there is no such information in a corresponding song, speed, mood, or genre may be used.
  • the music is automatically selected as a list, and the created list is displayed for the user to view so that the user can listen to the music.
  • the user when the user clearly inputs a taste of music desired by the user to the input unit of the terminal, the user may automatically select music that matches the taste.
  • the user acquires user's taste information and automatically selects music according to the user's taste to create a playlist.
  • the terminal generates a plurality of music samples to analyze the user's taste.
  • the music sample may be used as a sample by arbitrarily selecting a plurality of stored music and may be used as a sample classified by genre or speed.
  • the user listens to the music sample and determines that the music being listened to is his or her desired taste, the user selects the desired music by using the input device of the terminal while the song is being output.
  • the terminal analyzes the user's taste information through the music selected by the user, and then automatically selects music that meets the analyzed taste criteria, creates a list of the selected songs, and displays them for viewing by the user.
  • the user can automatically select the music that suits his or her taste only by selecting a sample, without clearly inputting a taste of the music desired by the user to the input unit of the terminal.
  • the above two automatic music selection devices simply select music similar to the user's taste information and provide it to the user as a playlist, and output it, so that the pattern analysis accuracy is not guaranteed.
  • the pattern deviation between the most similar songs and the songs with the least similarity is severe, reducing the user's satisfaction when the list is repeatedly played.
  • the present invention has been made in order to solve the above problems, and through the taste information or music file information input from the user to extract a particular number of music files that are determined to be similar to the taste or feeling of all the songs stored in the memory unit and repeated playback
  • the user can maximize the user's convenience and satisfaction by automatically selecting a music file suitable for the user's taste by creating a ring-type playlist for the user, and repeating the arrangement of song arrangements appropriately when creating a ring-type playlist.
  • Minimizes the pattern variation of the entire song during playback, and cross-fading, beat-leaf, and sound effects are mixed and output through the crossfader, beatbox, and surround effect between songs that are played continuously.
  • the purpose is to provide an automatic selection device according to the taste.
  • the present invention has the following features to achieve the above object.
  • a memory unit for storing a plurality of music files, a spectrum analyzer for performing pattern classification based on a taste or a feeling based on a setting condition by analyzing the music files stored in the memory unit, and the spectrum.
  • a list sorter for generating one or more playlists according to tastes or feelings by the analyzer and storing the playlists; a user input unit for receiving music file information specified by the user or inputting taste information of the user to grasp the user's tastes or feelings;
  • pattern information is generated through a spectrum analyzer to select a list which is determined to be the most similar among the playlists of the list classifier, and outputs the selected list information to the user for playback.
  • a controller for extracting one or more music files determined to be similar through a spectrum analyzer among the music files stored in the memory unit according to the generated pattern information, generating a list, outputting them to a user, and inputting whether to play them.
  • the control unit converts the list output to the user into a play list of a ring type capable of repeat play, but the arrangement order of the ring type play list generates a similarity rank according to the user's pattern information
  • the ring type playlist order is 1, 3, ..., 2n-1, 2n, 2n-2 , ...., arranged in the order of 4, 2, when composed of 2n-1 songs 1, 3, ..., 2n-1, 2n-2, 2n-4, ...., 4
  • the ring list generator is arranged in the order of 2.
  • the automatic selection device further includes a crossfader for crossfading between neighboring music files when the playback is performed by the ring list generator of the controller, wherein the crossfader includes an input unit for continuously inputting music files to be played; A time stretcher which receives the music file from the input unit and expands the number of sampling data per second of the music file at a specific ratio, a fish buffer which receives the sample data from the time stretcher, and temporarily stores the sample data, and from the fish buffer A mixer receiving sampling data, an output unit for outputting sampling data received from the mixer, an end detector for detecting an end signal of a music file transmitted to the time stretcher unit through the input unit, the input unit and the time stretcher unit Installed between the shutdown detector When a signal is detected, any one of the music inputs continuously by controlling the input unit, the time stretcher, the PC buffer, the end detector, and the switching unit to bypass the music file to be input to the mixer for a specific time.
  • the crossfader includes an input unit for continuously inputting music files to be
  • the music file and the music file continuously inputted thereon are cross-faded through the mixer for a specific time.
  • the music file bypassed by the switching unit is timed. It includes a controller for delivering to the treasurer to output the music file.
  • the automatic selection apparatus includes information about two songs and pattern patterns between songs and songs among a plurality of pre-stored bit leaves during cross fading to increase connectivity between two consecutive music files when performing cross fading through the cross fader. Selects a bit leaf that is determined to be similar and mixes it in the cross fading section, and outputs the bitbox, and it is determined that the pattern information is most similar to the two songs between the song and the song among the pre-stored background effect sounds during the cross fading section.
  • the apparatus further includes a surround effector which selects a background effect sound and mixes the result in a cross fading period.
  • the spectrum analyzer analyzes the characteristics of the beat component, the code component, the musical instrument component, and the vocal component through the decomposed frequency information when generating the pattern information for pattern classification, and collects each characteristic information according to the weight to determine the similarity of the pattern information. This is done.
  • the taste information or music file information input from the user is pattern-analyzed by the spectrum analyzer to automatically select a certain number of similar music files, thereby providing convenience that the playlist user does not need to designate separately.
  • the spectrum analyzer By properly arranging the song arrangement order when generating the playlist, there is an effect of minimizing the width of the pattern change such as the taste or the feeling between the entire songs during repeated playback.
  • crossfader, beatbox, and surround effector increase the natural connectivity and continuity between two songs played in succession.
  • FIG. 1 is a block diagram showing the internal configuration of an automatic selection apparatus according to the present invention.
  • FIG. 2 is a block diagram showing a detailed configuration of a crossfader according to the present invention.
  • FIG. 3 is a diagram illustrating a ring type playlist generation process according to the present invention.
  • FIG. 1 is a block diagram showing the internal configuration of the automatic selection apparatus according to the present invention
  • Figure 2 is a block diagram showing a detailed configuration of the crossfader according to the present invention.
  • the automatic selection device is a memory unit 10, spectrum analyzer 20, list classifier 30, the user input unit 40, crossfader 50, bit box 60, surround It consists of an effector 70 and a control unit 80.
  • the memory unit 10 is provided for the user to store music files for playback, and the memory unit 10 transmits the music files to the beat box 60 and the surround effect 70 as well as the music file, which will be described later.
  • the beat leaf or sound effect data mixed in the cross fading section during playback may also be stored together.
  • the spectrum analyzer 20 is provided to perform a pattern classification based on a setting condition based on the taste or feeling by analyzing the music file stored in the memory unit 10, such a spectrum analyzer 20 performs the pattern classification
  • the similarity of the pattern information is determined by analyzing characteristics of the beat component, the chord component, the musical instrument component, and the vocal component through the decomposed frequency information.
  • the spectrum analyzer 20 includes a BPM calculator 21, a chord extractor 22, and an instrument information extractor to analyze characteristic information for each bit component, code component, musical instrument component, and vocal component. Extractor (23), and Voice Extractor (24).
  • the bit number calculator 21 extracts the number of bits per minute as a frequency amplitude change pattern, and may be used for genre analysis through the speed of the song or the bit pattern of the song.
  • the code extractor 22 is provided to generate information on which section has which code by extracting the scale and chord information of the music file through the frequency decomposition information.
  • the voice extractor 24 is configured to analyze the characteristics of the tone of the singer who calls the music file and classify it into a form of caustic, true, husky, aesthetic.
  • the characteristic information analyzed for each component may be configured to determine the similarity as a whole by assigning a weight to each component according to a setting condition according to a user's input. For example, the user sets the speed of a song to a weight of 70%. If the chord, musical instrument, and vocal component are set to 10%, the spectrum analyzer 20 can determine the overall similarity even if the chord component, the musical instrument component, and the vocal component are not similar to each other.
  • the weight may be set by being input through the user input unit 40 to be described later, and the setting condition may be stored in the controller 80 or the spectrum analyzer 20 to be used when determining the similarity.
  • the list classifier 30 is provided by the spectrum analyzer 20 to generate and store one or more playlists according to tastes or feelings.
  • the list classifier 30 may be classified into slow songs, normal songs, and fast songs. You can create individual playlists, and in addition to being fast, you can also combine chords, musical instruments, and vocal characteristics to create playlists based on specific feelings.
  • the playlists classified according to the present invention are further analyzed after the user analyzes specific music file information or taste information and searches for and selects the most similar playlist, and separately selects the entire music file stored in the memory unit 10 for the specific music file or taste of the user. Whenever there is an information input, it can be analyzed to prevent time consuming generation of a list.
  • the user input unit 40 is provided to receive the music file information specified by the user or to receive the user's taste information in order to determine the user's taste or feeling, in the case of the music file information, the user memory unit 10 It is inputted by selecting any one of all music files stored in the user.
  • the taste information the user inputs data in a text form such as "sad ballad” or "lightly danced music”. Is specified.
  • the music file information generates the taste pattern information of the user through the spectrum analyzer 20, and in the case of the taste information, among the plurality of taste information example items stored in advance by recognizing data input by the user.
  • the item determined to be the most similar may be selected to provide a playlist corresponding to the item to the user through the list classifier 30.
  • the user input unit 40 receives the user's input information through a touch screen method or a keypad method, and in addition to determining the similarity, based on a specific component among the fast, chord, musical instrument, and vocal components, or separately weights.
  • the criterion may be set according to a user's selection, such as to perform a similarity determination by specifying the result.
  • the user may be input whether or not to output a playlist provided to the user.
  • the controller 80 when specific music file information is input from the user input unit 40, the controller 80 generates pattern information through the spectrum analyzer 20 to determine a list that is most similar to the playlist of the list classifier 30. Select to output the selected list information to the user to receive playback or extract one or more music files determined to be similar through the spectrum analyzer 200 among the music files stored in the memory unit 10 according to the generated pattern information After the list is generated, it is outputted to the user and provided to receive input.
  • the list sorter 30 selects an item which is determined to be the most similar among a plurality of taste information example items stored in advance. Of course, provided to the user through.
  • control unit 80 is provided with a ring list generator 90 for generating a ring-type playlist before providing the playlist generated by the list classifier 30 to the user, the ring list generator 90 is a user
  • the entire music file is composed of 2n songs.
  • the ring type playlist is arranged in order of 1, 3, ..., 2n-1, 2n, 2n-2, ...., 4, 2, and consists of 2n-1 songs 1, 3, ..., 2n-1, 2n-2, 2n-4, ...., 4, 2 will be arranged in order.
  • the arrangement order of the playlists through the ring list generator 90 may be arranged in a manner other than two songs unless two songs having a large ranking difference in the similarity ranking are arranged adjacent to each other.
  • the crossfader 50 is provided to perform cross fading between neighboring music files when playing through a playlist.
  • the crossfader 50 includes an input unit 51 for continuously inputting music files to be reproduced.
  • a time stretcher unit 52 receives the music file from the input unit and expands the number of sampling data per second of the music file at a specific ratio, and receives a sampling data from the time stretcher 52 to temporarily store the sample data.
  • a mixer 54 receiving sampling data from the fish buffer 53, an output unit 55 for outputting sampling data received from the mixer 54, and an input unit.
  • End detector 56 for detecting the end signal of the music file delivered to the time stretcher 52, and between the input unit and the time stretcher 52 to the end detector 56
  • the control unit 57 continuously bypasses the music file to be input for a specific time, and controls the input unit, the time stretcher unit, the PC buffer, the end detector, and the switching unit.
  • the music file and the music file continuously inputted thereon are cross-faded through a mixer for a specific time, and when the corresponding sound source data ends after a specific time has elapsed, the switching unit bypasses the switching.
  • the controller 58 is configured to transmit the music file to the time stretcher so that the music file is output.
  • the controller 58 transmits the music file to the time stretcher 52 through the switching unit 57, and the time stretcher 52 samples the music files at a predetermined ratio.
  • the predetermined ratio is preferably about 2 to 3%. Accordingly, the playing time of the music file is increased by the extended sampling number, and the music file and the cross fading section sequentially input during the corresponding time are generated.
  • the end detector 56 detects the end signal of the input music file through the end bit detector 56a, the silent detector 56b, and the code pattern detector 56c, which is a digital sound source such as MP3.
  • the end bit detection unit 56a is configured to detect this, and in the case of the sound source data without the end bit, the silent portion generated at the end of the song is detected by the silence detection unit 56b. Will be done.
  • the code pattern detecting unit 56c may have a silent portion in the middle of a song, depending on the characteristics of the sound source data, so that the end point detection reliability of the sound source data may be degraded.
  • the silent section is detected and it is determined that the chord of the music file, that is, the code pattern, corresponds to a code pattern that is frequently used at the end point, the end point is recognized.
  • the music files sequentially input afterwards are immediately bypassed through the switching unit 57 to the mixer 54, and the previous music files and the subsequent music files are mixed and cross-crossed by the sampling extension section of the previous music files. Fading is configured to be performed.
  • first volume control unit 59a and the second volume control unit 59b are respectively installed on the bypass path of the rear end of the fish-buffer 53 and the switching unit 57, so that the previous song gradually increases when cross fading is performed.
  • the music file can be configured to move naturally.
  • the music file mixed through the mixer 54 is converted into an analog signal through the D / A converter 55a and transferred to the output unit 55, the music file is output.
  • the input unit 51 may be provided with an A / D converter 51a for converting an input music file into an analog form in a digital form.
  • the cross fader 50 according to the present invention can be simplified as cross fading is possible with only one input unit without a plurality of input units.
  • the beat box 60 may be placed between songs and songs among a plurality of pre-stored bit leaves during the cross fading period to increase connectivity between two successive music files when performing cross fading through the cross fader 50.
  • the bit leaf which is determined to be the most similar to the song and the pattern information is selected to be mixed and output in the cross fading execution section.
  • the surround effector 70 selects a background effect sound which is determined to have the most similar pattern information between the song and the song among the pre-stored background effect sounds during the cross fading period to be mixed and output in the cross fading period.
  • the crossfader 50, the beat box 60, and the surround effector 70 may induce natural sequential playback by maximizing continuity and connectivity between two music files that are continuously played.
  • the crosspater 50, beatbox 60, and surround effector 70 are mixed with the music files of the playlist by a mixer 91 provided before the audio output through the playlist, such as cross fading, beatleaf, effect sounds, and the like. It is of course configured to output.
  • FIG. 3 is a diagram illustrating a ring type playlist generation process according to the present invention.
  • the ring-type playlist generation process first analyzes all the songs stored in the memory unit 10 through the spectrum analyzer 20 through the user's taste pattern information according to the similarity of music files determined to be similar. Arranged in sequential order, the arranged list order is generated by the ring list generator 90 as a playlist of ring type in which similarities are appropriately mixed and arranged.
  • the user since the similarity gap is small between the first song G and the last song S during repeated playback, the user may not notice a large pattern change.
  • the mixed batch method may be formed in various forms in addition to the batch method of the ring list generator 90 described above.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

La présente invention concerne un appareil comportant: un analyseur de spectre pour l'analyse de spectre de fichiers musicaux stockés dans une unité de mémoire et la classification des fichiers musicaux dont le spectre a été analysé en fonction d'une préférence ou de sentiments selon des conditions établies ; un classificateur de listes pour la génération d'une ou de plusieurs liste(s) d'écoute pour la préférence ou les sentiments classifiées par l'analyseur de spectre et le stockage des listes d'écoute ; et une unité d'entrée utilisateur pour la réception d'information de fichiers musicaux que l'utilisateur a spécifiés ou une information de préférence d'utilisateur afin de déterminer la préférence ou les sentiments de l'utilisateur ; et un contrôleur pour la génération d'information de motifs concernant une information de fichiers musicaux spécifiques entrée depuis l'unité d'entrée utilisateur au moyen de l'analyseur de spectre, effectuant la sélection d'une liste déterminée comme étant la plus semblable à l'information de motifs générée parmi les listes d'écoute du classificateur de listes, et l'émission en sortie d'information concernant la liste sélectionnée à l'utilisateur pour recevoir une entrée pour confirmer la lecture de ladite liste, ou l'extraction d'un ou de plusieurs fichiers musicaux déterminé(s) comme étant semblable(s) par l'analyseur de spectre selon l'information de motifs générée parmi les fichiers musicaux stockés dans l'unité de mémoire pour la génération d'une liste, et l'émission en sortie de la liste générée à l'utilisateur et la réception d'une entrée pour confirmer la lecture de ladite liste.
PCT/KR2012/006087 2011-08-02 2012-07-31 Appareil pour la sélection automatique de musique selon la préférence d'un utilisateur WO2013019057A2 (fr)

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KR10-2011-0076818 2011-08-02
KR1020110076818A KR101142244B1 (ko) 2011-08-02 2011-08-02 사용자 취향에 따른 자동선곡장치

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WO2013019057A3 WO2013019057A3 (fr) 2013-05-30

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WO2020055173A1 (fr) * 2018-09-11 2020-03-19 Samsung Electronics Co., Ltd. Procédé et système pour recommandations basées sur un contenu audio
KR102534870B1 (ko) * 2022-09-22 2023-05-26 뉴튠(주) 복수 개의 오디오 스템을 이용한 오디오 믹싱 인터페이스 제공 방법 및 장치

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US20070169613A1 (en) * 2006-01-26 2007-07-26 Samsung Electronics Co., Ltd. Similar music search method and apparatus using music content summary
KR20070080299A (ko) * 2006-02-07 2007-08-10 삼성전자주식회사 사용자 의도 자동 해석 기반의 음악 추천 방법 및 그 장치
US20110029108A1 (en) * 2009-08-03 2011-02-03 Jeehyong Lee Music genre classification method and apparatus

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KR100743009B1 (ko) 2005-09-13 2007-07-27 가부시끼가이샤 도시바 정보 기억 매체, 정보 기록 방법, 정보 재생 방법, 정보기록 장치 및 정보 재생 장치

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KR20060102757A (ko) * 2005-03-24 2006-09-28 김재천 분류알고리즘을 이용한 음악장르 분류 방법
KR20060110988A (ko) * 2005-04-21 2006-10-26 인하대학교 산학협력단 베이즈법을 적용한 악기신호의 인식 및 장르분류 방법
US20070169613A1 (en) * 2006-01-26 2007-07-26 Samsung Electronics Co., Ltd. Similar music search method and apparatus using music content summary
KR20070080299A (ko) * 2006-02-07 2007-08-10 삼성전자주식회사 사용자 의도 자동 해석 기반의 음악 추천 방법 및 그 장치
US20110029108A1 (en) * 2009-08-03 2011-02-03 Jeehyong Lee Music genre classification method and apparatus

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KR101142244B1 (ko) 2012-05-21

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