WO2012104913A1 - Procédé de lecture de musique - Google Patents

Procédé de lecture de musique Download PDF

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Publication number
WO2012104913A1
WO2012104913A1 PCT/JP2011/000588 JP2011000588W WO2012104913A1 WO 2012104913 A1 WO2012104913 A1 WO 2012104913A1 JP 2011000588 W JP2011000588 W JP 2011000588W WO 2012104913 A1 WO2012104913 A1 WO 2012104913A1
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WO
WIPO (PCT)
Prior art keywords
music
section
beat
undetected
playback
Prior art date
Application number
PCT/JP2011/000588
Other languages
English (en)
Japanese (ja)
Inventor
政昭 齋藤
Original Assignee
パイオニア株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP2011514579A priority Critical patent/JP4843120B1/ja
Priority to PCT/JP2011/000588 priority patent/WO2012104913A1/fr
Publication of WO2012104913A1 publication Critical patent/WO2012104913A1/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
    • G11B27/10—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
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/36—Accompaniment arrangements
    • G10H1/40—Rhythm
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/051—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for extraction or detection of onsets of musical sounds or notes, i.e. note attack timings
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/101—Music Composition or musical creation; Tools or processes therefor
    • G10H2210/125—Medley, i.e. linking parts of different musical pieces in one single piece, e.g. sound collage, DJ mix

Definitions

  • the present invention relates to a music playback method, music playback apparatus, playback processing system, and program capable of skip playback.
  • Patent Document 1 has been proposed as a technique for performing skip reproduction.
  • the said patent document 1 is invention regarding the disc reproducing
  • Patent Document 1 for reproduction of dance music.
  • skip reproduction is performed depending on whether or not an acoustic signal is included.
  • Playback will continue regardless of whether or not there is a beat.
  • the technique of Patent Document 1 is adopted, not all sections without beats are eliminated, and there is a problem that it cannot always be said that dancers can easily dance.
  • an object of the present invention is to provide a music playback method, a music playback apparatus, a playback processing system, and a program that can perform music playback suitable for dance.
  • the music playback method of the present invention includes a determination step of determining whether or not a beat undetected section, which is a section in which beats are not detected for a certain period or more, exists in the music, and determines that a beat undetected section exists in the music If so, a playback step of playing the music while skipping the beat non-detection section is performed.
  • the music reproducing device of the present invention determines whether there is a beat undetected section that is a section in which beats are not detected for a certain period or more in the music, and determines that a beat undetected section exists in the music And a playback means for playing back the music while skipping the beat-undetected section.
  • the beat undetected section when there is a beat undetected section in the music, the beat undetected section is skip-reproduced, so that it is possible to reliably perform the reproduction without the beat-free section. Thereby, even when music is played as BGM at the time of dancing, the dancer's tone is not disturbed or the atmosphere of the place is not destroyed.
  • the “certain period” means a section defined by at least one of the number of beats and the absolute time.
  • the “beat not detected section” is a section in which the number of beats is L or more, a section in which the absolute time is M seconds or more, a section in which the number of beats is L or more and the absolute time is more than M seconds, and the number of beats is L or more Alternatively, it is possible to define a section in which the absolute time is M seconds or more.
  • the music acquisition step of acquiring music information including the music data of the music and the analysis result obtained by analyzing the beat position in the music is further executed, and the determination step is performed based on the music information. It is characterized by determining whether or not there is a beat non-detection section.
  • the music analysis step of analyzing the music and detecting the beat position in the music is further executed, and the determining step is performed based on the beat position detected in the music analysis step. It is characterized by determining whether an undetected section exists.
  • the present invention can be realized by a single device. Thereby, music reproduction can be performed without considering adaptability to an apparatus or application for performing music analysis.
  • the beat undetected section including at least one of the start position and the end position of the music is a first undetected section
  • the beat undetected section that does not include both the start position and the end position of the music is
  • different period lengths are set for the fixed period compared with the first undetected section and the fixed period compared with the second undetected section.
  • the fixed period compared with the second undetected section is set to have a longer length than the fixed period compared with the first undetected section.
  • the discrimination criterion of the beat non-detection section between the start part or the end part of the music and the middle part of the music. For example, by setting the discrimination criterion for the middle part of the music longer than the discrimination criterion for the start or end of the music (set a certain period compared to the second undetected section to be longer than the first undetected section). , It is possible to prevent skip playback from being repeated many times during the music. As a result, it is possible to solve the problem that the dancer is difficult to dance due to frequent interruption of music.
  • the Nth (where N is an integer satisfying N ⁇ 1) music end position and the (N + 1) th music start position.
  • the determination step is a total length of a section in which a beat including the end position of the Nth song is not detected and a section in which a beat including the start position of the (N + 1) th song is not detected.
  • it is characterized in that it is determined whether or not there is a beat non-detection section depending on whether or not it is longer than a certain period.
  • the playback step when it is determined that there is a beat undetected section in the music, the playback step adds at least one of the sections immediately before or immediately after the beat undetected section as a skip section.
  • the music is reproduced by skipping the skip section.
  • the length and position of any section added to the skip section and its position are set according to various music information (including time signature, bar position, bar position, etc.) It is preferred that
  • the fixed period is determined by the number of beats
  • the skip period is an arbitrary number of beats before and / or after the beat non-detection period so that the number of beats is an integral multiple of a certain constant. It is a section in which numbers are added.
  • the “certain constant” is a constant corresponding to the time signature of the music (“4” for a 4-beat music, “3” for a 3-beat music such as waltz). Is preferred.
  • the “integer multiple” is preferably “4”. This is because music is generally composed of four measures including waltz and tango.
  • the beat undetected section including at least one of the start position and the end position of the music is a first undetected section
  • the beat undetected section that does not include both the start position and the end position of the music is
  • the reproduction step skips the first undetected section for the first undetected section and skips the skip section for the second undetected section.
  • this configuration it is possible to perform appropriate skip playback according to the playback location of the music. For example, if an arbitrary section is added to a beat-undetected section and skipped at the beginning or end of a song, the image of the song may be corrupted, or music playback may start or end in a halfway state. Therefore, it is preferable that only the beat non-detection section is skipped. On the other hand, in the middle part of the music, if a section that does not match the time signature, such as 17 beats and 19 beats, is skipped, there is a possibility that the flow of the music will be greatly disturbed. It is preferable.
  • the skip section is a section in which the start position and end position are set so as to coincide with the bar start position or bar start position of the music.
  • the playback processing system of the present invention is a playback processing system comprising the above-described music playback device and a dedicated application that is installed and used in a computer connected to the music playback device and provides music to the music playback device.
  • the dedicated application includes music providing means for providing music information including the music data of the music and the analysis result obtained by analyzing the beat position in the music to the music playback device, and the determining means is the music acquired from the dedicated application. Based on the information, it is determined whether or not a beat undetected section exists in the music.
  • the program of the present invention causes a computer to execute each step in the above-described music reproduction method.
  • FIG. 1 is a system configuration diagram of a music playback system according to an embodiment of the present invention. It is a control block diagram of a music reproducing device. It is explanatory drawing of the skip reproduction
  • FIG. 6 is an explanatory diagram of skip reproduction based on the correspondence table of FIG. 5. It is explanatory drawing of the skip reproduction
  • FIG. 1 is a system configuration diagram of a playback system SY to which a music playback device 20 of the present invention is applied.
  • the playback system SY includes a personal computer (hereinafter referred to as “PC”) 10 that provides music and a music playback device 20 that plays back music.
  • PC personal computer
  • the PC 10 includes music analysis means 11 and music provision means 12 as main functional configurations. Note that these functions are realized by the dedicated application 15 installed in the PC 10.
  • the music analysis means 11 analyzes the music file and generates analysis data (music feature value). As analysis data, beat position information, BPM (Beats Per Minute) information, key information indicating the ratio of major (major) and minor (minor) parts, genre information, and the like are generated.
  • the beat position information is, for example, information indicating the time from the beginning of the music to each beat position in the music, and if the beat position is known, the way of holding the information is not selected.
  • the BPM information is the average value of the BPM detected for the music, the most detected BPM for the music, and the BPM corresponding to each playback section of the music (when the BPM is changed in the middle of the music). Information indicating any of the above. Note that the user may be able to set which of these is adopted as the BPM information. Further, only one of the beat position information and the BPM may be generated.
  • the music providing means 12 reproduces the music data together with the analysis data that is the analysis result of the music analysis means 11 and accompanying information (meta information such as the title, artist name, album name, etc.) attached to the music. Provide (send) to the device 20.
  • analysis data and accompanying information are collectively referred to as music information.
  • the data provided by the music providing means 12 may be stored in an external storage medium such as a USB memory and read by the music reproducing device 20.
  • the music playback device 20 includes a music acquisition means 21, a discrimination means 22, and a playback means 23 as main functional configurations.
  • the music acquisition means 21 acquires music data and music information provided by the music provision means 12.
  • the music acquisition unit 21 may be configured to acquire music data or the like from the PC 10 via a cable, a wireless LAN, or the like, or may be configured to acquire music data or the like by reading an external storage medium such as a USB memory.
  • the discriminating means 22 discriminates whether or not a beat undetected section, which is a section in which no beat is detected for a certain period or longer, exists in the music to be played. The determination is performed based on beat position information and BPM information included in the music information. The presence / absence of a beat non-detection section is determined regardless of the sound level (strength). That is, even if a playback section with a low sound level continues for a certain period or longer, if a beat position is present (a beat is detected), it is not treated as a beat undetected section.
  • the “certain period” serving as a criterion for determining whether or not there is a beat undetected section is determined by the number of beats.
  • the section when no beat is continuously detected for 16 beats or more, the section is determined as a beat undetected section. In the middle part of the music, when no beat is continuously detected for 32 beats or more, the section is determined as a beat undetected section.
  • the playback means 23 skips the beat non-detection section and plays the music piece. The skip reproduction will be described in detail after FIG.
  • the music playback device 20 includes an input interface (hereinafter referred to as “input I / F”) 31, a main processing unit 32, a music data processing unit 33, a memory 34, a decoding unit 35, and a playback control unit as main control configurations. 36, an output interface (hereinafter referred to as “output I / F”) 37, and an audio output device 38.
  • the input I / F 31 acquires music data and music information provided from the PC 10.
  • the main processing unit 32 includes a CPU (Central Processing Unit) and a microcomputer, and controls each unit in the music playback device 20.
  • the music data processing unit 33 performs processing related to synchronized playback of beats (synchronization between music, synchronization between music and audio effects, etc.).
  • the memory 34 stores music data and music information provided from the PC 10.
  • the decoding unit 35 decodes the music data read from the memory 34.
  • the reproduction control unit 36 performs reproduction control based on the music data decoded by the decoding unit 35.
  • the skip reproduction by the reproduction means 23 is realized mainly by the reproduction control unit 36.
  • the output I / F 37 outputs the reproduction signal reproduced by the reproduction control unit 36 to the audio output device 38.
  • the audio output device 38 speakers, headphones, or the like can be used. Further, the audio output device 38 is not provided in the music reproducing device 20, but may be configured as a separate body.
  • FIG. 3A is a diagram showing skip reproduction when a beat undetected section (first undetected section) is present at the start of the music.
  • the start position of the music when a section in which no beat is detected continues for 16 beats or more, this is determined to be a beat undetected section. In this case, the music is skipped from the start position and the reproduction is started from the first detected beat position.
  • FIG. 3B is a diagram showing skip reproduction when a beat undetected section (first undetected section) exists at the end of the music.
  • a beat undetected section first undetected section
  • this is determined to be a beat undetected section. In this case, it skips from the beat position next to the last detected beat position (blank beat position calculated based on BPM) to the end position.
  • FIG. 3C is a diagram showing skip reproduction in the case where a beat undetected section (second undetected section) exists in the middle portion of the music (section not including both the start position and end position of the music). .
  • a beat undetected section second undetected section
  • it is determined as a beat non-detected section. If there is a beat non-detection section in the middle of the music, skipping from the beat position next to the last detected beat position (blank beat position) and starting playback from the next detected beat position.
  • the “certain period” that is a reference when discriminating the beat-undetected section is the same section length at the start part and the end part of the music, but different section lengths are used. It is also good. However, it is preferable to set the discrimination criterion for the beat non-detection section in the middle of the music longer than the discrimination criteria for the start or end of the music. Thereby, it is possible to solve the problem that it becomes difficult for the dancer to dance by skipping and replaying many times in the middle of the music.
  • FIG. 4A is a diagram showing a basic form of continuous playback, that is, continuous playback when the basic form of skip playback shown in FIG. 3 is applied.
  • N is an integer satisfying N ⁇ 1
  • N + 1 the start of the (N + 1) th song.
  • FIG. 4B is a diagram showing a modified example of continuous reproduction.
  • the total of the section where the beat at the end of the Nth music is not detected (8 beats in the figure) and the section where the beat at the start of the N + 1th music is not detected (12 beats in the figure) is constant. If it is longer than the period (for example, 16 beats or more), the section is determined to be a beat undetected section and skipped.
  • skipping is started from the beat position (blank beat position) next to the beat position detected at the end of the Nth music piece, and playback is started from the first detected beat position of the (N + 1) th music piece. It will be.
  • the “certain period” serving as a discrimination criterion for the beat non-detection section extending over the two music pieces is set as the beat non-detection section at the start part or the end part of the music piece.
  • the section length is the same as the discrimination criterion, a different section length may be used.
  • a beat synchronization process for adjusting the BPM may be performed.
  • the synchronization process is performed by the music data processing unit 33.
  • the user may be able to set whether or not to perform beat synchronization processing.
  • FIG. 5 is a diagram illustrating an example of the correspondence table 50 in which the beat non-detection section and the skip section are associated with each other.
  • the correspondence table 50 defines skip sections corresponding to detected beat non-detection sections so that the number of beats is an integral multiple of 16. For example, when the beat non-detection section (N) is 32 beats or more and less than 33 beats, the skip section is 32 beats. When the beat non-detection section (N) is 33 beats or more and less than 49 beats, the skip section is 48 beats, and when the beat undetected section (N) is 49 beats or more and less than 65 beats, the skip section is 64 beats. .
  • the skip interval is set so that the number of beats is an integral multiple of 16. This is because 4-beat time dance music is assumed, and in general, music is composed of 4 bars including waltz and tango. This is due to the fact that it is often configured as a unit.
  • FIG. 6 is an explanatory diagram of skip reproduction (Modification 1) based on the correspondence table 50 shown in FIG.
  • a note mark indicates a detected beat
  • a cross indicates an undetected beat.
  • one bar is indicated by four consecutive note marks
  • one bar is indicated by repeating the note mark for one bar four times.
  • skip reproduction from the fifth beat of the first bar to the sixth beat of the third bar is performed.
  • the skip section is 48 beats based on the correspondence table 50.
  • skip reproduction from the ninth beat of the first major bar to the tenth beat of the fourth major bar is performed.
  • the skip section is determined so that the number of beats is an integral multiple of 16.
  • an integer of 3 ⁇ 4 12
  • a configuration in which a skip interval is defined by adding an arbitrary number of beats to a beat non-detection interval is applied only to an intermediate portion of the music. That is, it is preferable to skip the beat non-detection section itself for the start part and the end part of the music, and skip the skip period adjusted to be an integral multiple of 16 beats for the middle part of the music. According to this configuration, it is possible to perform appropriate skip playback according to the playback location of the music.
  • the section which added arbitrary sections after the beat non-detection section was made into the skip section
  • arbitrary sections were added before the beat non-detection section.
  • the skip section may be set so that the start position and end position of the skip section coincide with the measure position (measure start position) or measure position (measure start position) of the music.
  • FIG. 7A is an explanatory diagram of skip reproduction (modification 2) for skipping in accordance with the measure position of the music.
  • the first beat of the first measure including the beat undetected section starts with the last beat including the beat undetected section.
  • the 4th beat is set up to the 4th beat as a skip section.
  • skip reproduction from the fourth beat of the first bar to the ninth beat of the third bar is performed.
  • FIG. 7B is an explanatory diagram of skip reproduction (modification example 3) for skipping in accordance with the major position of the music.
  • the beat undetected section from the first beat of the first measure including the beat undetected section is displayed.
  • Up to the 16th beat of the last major bar (second and third bars) is set as the skip section.
  • skip reproduction from the 16th beat of the first bar to the first beat of the fourth bar is performed.
  • the start position and the end position of the skip section are set to coincide with the bar position or the bar position of the music, thereby disturbing the flow of the music. Can be prevented.
  • skipping in units of measures makes the skip interval an integer multiple of 16, so that the rhythm can be prevented from being disturbed due to skip reproduction.
  • the configuration in which the skip section is set in units of measures or measures may be applied only to the middle part of the music. preferable.
  • the user may be able to set whether or not to adjust the skip period (if no adjustment is made, the beat non-detection period is equal to the skip period).
  • the beat-undetected section when a beat-undetected section exists in the music, the beat-undetected section is skip-played, so that it is possible to reliably perform the playback without the beat-free section. .
  • the music playback device 20 since the music playback device 20 according to the present embodiment is configured to acquire music data including the music data of the music and the analysis result obtained by analyzing the beat position in the music from the PC 10 serving as the host device, the music data There is no need to analyze. Thereby, cost reduction of the music reproduction apparatus 20 can be achieved.
  • the “certain period” serving as a criterion for determining whether or not there is a beat-undetected section is determined based on the number of beats, but may be determined based on absolute time. For example, in the case of BPM120, 16 beats corresponds to 8 seconds and 32 beats corresponds to 16 seconds. Therefore, if no beats are detected for 8 seconds or more for the start part and the end part of the music, the section is determined as a beat-undetected section. For example, when a beat is not detected for 16 seconds or longer in the middle part of the music, it may be determined that the section is a beat-undetected section.
  • a certain period may be defined as a section determined by both the number of beats and the absolute time.
  • the beat number and absolute time by AND condition or OR condition such as the section where the beat number is L beats and the absolute time is M seconds or more, the beat number is L beats or more or the absolute time is M seconds or more It is.
  • the “certain period” is assumed to be the same section length for all the songs, but the “certain period” may be varied according to the songs. For example, it is conceivable to change the “certain period” in accordance with music information (genre information, key information, accompanying information), the length of music, and the like.
  • the “genre information” can be determined by the dedicated application 15 based on beat patterns (appearance rate of beats), tempo, tonality, and the like.
  • the “genre” referred to here is a concept that includes not only a classification such as “dance genre”, “popular”, and “singing song” but also a detailed classification in “dance genre”.
  • music classified as “dance genre” is classified into detailed genres such as “hip hop”, “house”, “break”, “rock”, “pop”, and “jazz”.
  • the playback mode for determining whether or not to perform skip playback may be automatically switched according to the music (music information).
  • the section length of the “certain period” may be arbitrarily changed by the user.
  • the section length can be set for each of the start part, the end part, the middle part of the music, and the music connection part (discrimination criterion for the beat non-detection section straddling two music when the music is continuously played back). Is preferred.
  • the setting is changed by using a setting function provided in the dedicated application 15 or an operation means (such as an operation panel or a remote control) provided in the music reproducing apparatus 20 main body.
  • the playback mode for determining whether or not to perform skip playback may be arbitrarily set by the user.
  • the speech portion may be configured not to be skipped. Further, it may be possible for the user to arbitrarily set whether or not to perform skip reproduction for the speech portion.
  • a section where the beat position is not determined may be skipped.
  • a section where the BPM is moving up and down in short time units may be regarded as a section where no beat is detected.
  • the music reproduction apparatus 20 of said embodiment acquired the music data and music information of a music from PC10, even if a music is analyzed and the beat position in a music is detected by the music reproduction apparatus 20 side. good. According to this configuration, since the present invention can be realized only by the music playback device 20, music playback can be performed without considering the adaptability between the music playback device 20 and the PC 10 or the dedicated application 15 that performs music analysis. it can.
  • the analysis result of the music may not be stored in advance, but the analyzed part may be sequentially reproduced while analyzing the music. According to this configuration, since it is not necessary to analyze in advance, the present invention can also be applied to music reproduced from a CD or the like.
  • the presence / absence of an undetected beat section is determined regardless of the sound level (strength).
  • the sound level may be determined in consideration. That is, when the sound level is below a certain level, it may be skipped as a section where no beat is detected regardless of the presence or absence of a beat.
  • a section obtained by adding an arbitrary section to a beat undetected section is defined as a skip section.
  • a skip section may be defined as a section including at least a part of a beat undetected section. That is, it is not always necessary to include all the beat undetected sections in the skip section.
  • FIG. 7 (a) the case where skip playback is performed in accordance with the measure position of the music has been described, but as shown in FIG. 8 (a), from the first beat of the first measure including the beat non-detection section, You may set up to the 4th beat of the last measure before the last measure including the beat non-detection interval as a skip interval. Also, as shown in FIG.
  • a skip period is set from the first beat of the next bar after the first bar including the beat-undetected section to the fourth beat of the last bar including the beat-undetected section. You may do it. In these cases, even if skip playback is performed, a section without beats may occur (see the lower part of FIGS. 8 (a) and 8 (b)). It is thought not to give. In addition, the user may arbitrarily set the skip section setting method.
  • each component of the PC 10 and the music playback device 20 shown in the above embodiment can be provided by being stored in various storage media (CD-ROM, flash memory, etc.). That is, a program for causing each of the PC 10 and the music reproducing device 20 to function as well as a storage medium storing the program are also included in the scope of the right of the present invention.
  • a dance-only audio device is exemplified as the music playback device 20, but the present invention can also be applied to audio devices other than devices intended for dance practice.
  • the music playback device 20 is not limited to a dedicated device, and may be realized as a function of another device such as a mobile terminal or a car navigation system.
  • the music provided from the PC 10 is reproduced.
  • the music providing source is not limited to the PC 10, and may be a server on the Web, a server on the LAN network, or the like.
  • the playback system SY shown in the above embodiment may be realized by a single device (such as an electronic musical instrument or a computer) such as mounting the function of the music playback device 20 on the PC 10 side. Other modifications can be made as appropriate without departing from the scope of the present invention.

Abstract

L'invention porte sur la réalisation d'une lecture de musique appropriée pour la danse. Ce dispositif de lecture de musique (20) comprend un moyen d'acquisition de musique (21) pour acquérir des données de musique pour une composition musicale et des informations de musique comprenant les résultats d'analyse pour une analyse des positions de temps dans la composition musicale ; un moyen de détermination (22) pour déterminer si un intervalle sans temps détecté, qui est un intervalle dans lequel des temps n'ont pas été détectés pendant une période fixe ou supérieure, est ou non présent dans la composition musicale ; et un moyen de lecture (23) pour sauter l'intervalle sans temps détecté et lire la composition musicale lorsqu'il a été déterminé qu'un intervalle sans temps détecté est présent dans la composition musicale.
PCT/JP2011/000588 2011-02-02 2011-02-02 Procédé de lecture de musique WO2012104913A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011514579A JP4843120B1 (ja) 2011-02-02 2011-02-02 楽曲再生方法、楽曲再生装置、再生処理システムおよびプログラム
PCT/JP2011/000588 WO2012104913A1 (fr) 2011-02-02 2011-02-02 Procédé de lecture de musique

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PCT/JP2011/000588 WO2012104913A1 (fr) 2011-02-02 2011-02-02 Procédé de lecture de musique

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WO2012104913A1 true WO2012104913A1 (fr) 2012-08-09

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