MUSIC COMPOSITION DATA RECONSTRUCTION DEVICE, MUSIC COMPOSITION DATA RECONSTRUCTION METHOD, MUSIC CONTENT REPRODUCTION DEVICE, AND MUSIC CONTENT REPRODUCTION METHOD

• US 20090249945A1
• Filed: 12/09/2005
• Published: 10/08/2009
• Est. Priority Date: 12/14/2004
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Takai, Motoyuki, Sako, Yoichiro, Terauchi, Toshiro, Miyajima, Yasushi, Sakai, Yuichi, Sasaki, Toru, Yamashita, Kosei
• Granted Patent: US 8,022,287 B2
• Time in Patent Office: Days
• US Class Current: 84/612
• CPC Class Codes: G10H 1/368 displaying animated or moving pictures synchronized with the music or audio part
• CPC Class Codes: G10H 1/38 Chord
• CPC Class Codes: G10H 1/40 Rhythm
• CPC Class Codes: G10H 2210/076 for extraction of timing, tempo; Beat detection
• CPC Class Codes: G10H 2210/125 Medley, i.e. linking parts of different musical pieces in one single piece, e.g. sound collage, DJ mix
• CPC Class Codes: G10H 2210/565 Manual designation or selection of a tonality
• CPC Class Codes: G10H 2210/576 Chord progression
• CPC Class Codes: G10H 2220/351 Environmental parameters, e.g. temperature, ambient light, atmospheric pressure, humidity, used as input for musical purposes
• CPC Class Codes: G10H 2220/355 Geolocation input, i.e. control of musical parameters based on location or geographic position, e.g. provided by GPS, WiFi network location databases or mobile phone base station position databases
• CPC Class Codes: G10H 2220/371 Vital parameter control, i.e. musical instrument control based on body signals, e.g. brainwaves, pulsation, temperature or perspiration; Biometric information
• CPC Class Codes: G10H 2240/085 Mood, i.e. generation, detection or selection of a particular emotional content or atmosphere in a musical piece
• CPC Class Codes: G10H 2240/131 Library retrieval, i.e. searching a database or selecting a specific musical piece, segment, pattern, rule or parameter set
• CPC Class Codes: G10H 2240/305 Internet or TCP/IP protocol use for any electrophonic musical instrument data or musical parameter transmission purposes
• CPC Class Codes: G10H 2240/325 Synchronizing two or more audio tracks or files according to musical features or musical timings
• CPC Class Codes: G11B 27/007 reproducing continuously a part of the information, i.e. repeating
• CPC Class Codes: G11B 27/038 Cross-faders therefor
• CPC Class Codes: G11B 27/105 of operating discs

Abstract

An apparatus that allows a musical piece to be recomposed by reflecting, for example, the mood, preference, and ambient environment of a listening user in the musical piece in real time. The apparatus includes a rhythm master unit and a rhythm slave unit. The rhythm master unit generates synchronization signals containing a signal having a period corresponding to a measure of a musical piece and a signal having a period corresponding to a beat of the musical piece and also generates musical-piece recomposition information in synchronization with the synchronization signals. The rhythm slave unit recomposes musical-piece data of input music content in accordance with the synchronization signals and the musical-piece recomposition information, generates output musical-piece data, and outputs the musical-piece data to the rhythm slave unit.

Claims

1. :

A musical-piece data recomposing apparatus, comprising;

a rhythm master unit for generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and a signal having a period corresponding to a beat of the musical piece and generating musical-piece recomposition information in synchronization with the synchronization signals; and

a rhythm slave unit for generating output musical-piece data by recomposing input musical-piece data of music content in accordance with the synchronization signals and the musical-piece recomposition information from the rhythm master unit and for outputting the output musical-piece data.

3. :

The musical-piece data recomposing apparatus according to claim 1,

wherein the musical-piece recomposition information contains information indicating a tempo.

4. :

The musical-piece data recomposing apparatus according to claim 1,

wherein the musical-piece recomposition information contains information indicating a tempo and information indicating a key.

5. :

The musical-piece data recomposing apparatus according to claim 1,

wherein the musical-piece recomposition information contains information indicating a tempo and information indicating a chord or a chord progression.

6. :

The musical-piece data recomposing apparatus according to claim 1,

wherein the musical-piece recomposition information contains information indicating a tempo, information indicating a key, and information indicating a chord or a chord progression.

7. :

The musical-piece data recomposing apparatus according to claim 1,

wherein the synchronization signals are obtained by analyzing an audio signal collected by sound collecting means.

8. :

The musical-piece data recomposing apparatus according to claim 1,

wherein the synchronization signals are obtained by analyzing an audio signal input through an external input terminal.

9. :

The musical-piece data recomposing apparatus according to claim 1, further comprising;

user-operation-input receiving means for receiving a user operation input;

wherein, based on the user operation input received by the user-operation-input receiving means, the rhythm master unit generates the synchronization signals and the musical-piece recomposition information.

10. :

The musical-piece data recomposing apparatus according to claim 1, further comprising;

means for performing sound playback of the output musical-piece data output from the rhythm slave unit; and

means for obtaining body information of a listener who listens to the sound playback output;

wherein, based on the obtained listener body information, the rhythm master unit generates the synchronization signals and the musical-piece recomposition info nation.

11. The musical-piece data recomposing apparatus according to claim 1, further comprising:

ambient environment information obtaining means for obtaining ambient environment information;

wherein, based on the ambient environment information obtained by the ambient-environment-information obtaining means, the rhythm master unit generates the synchronization signals and the musical-piece recomposition information.

12. :

The musical-piece data recomposing apparatus according to claim 1, further comprising;

attribute-information obtaining means for obtaining attribute information containing musical-piece composition information of each musical-piece material of at least the music content, the attribute information being associated with the music content containing the musical-piece data input to the rhythm slave unit;

wherein the rhythm master unit generates the synchronization signals based on information indicating a rhythm, the information being contained in the attribute-information obtained by the attribute-information obtaining means.

16. :

The musical-piece data recomposing apparatus according to claim 1,

wherein the rhythm master unit comprises;

a first synchronization-signal generating unit for obtaining the synchronization signals based on an oscillation circuit that oscillates at a set oscillation frequency;

a second synchronization-signal generating unit for obtaining the synchronization signals by analyzing an audio signal collected by sound collecting means or, audio signal input through an external input terminal;

a third synchronization-signal generating unit for obtaining body information of a listener who listens to a sound playback output and obtaining the synchronization signals based on the obtained listener body information; and

selecting means for selecting the synchronization signals from one of the first synchronization-signal generating unit, the second synchronization-signal generating unit, and the third synchronization-signal generating unit and outputting the selected synchronization signals.

17. :

The musical-piece data recomposing apparatus according to claim 16, wherein the selecting means selects the synchronization signals based on a user selection operation input.

18. :

The musical-piece data recomposing apparatus according to claim 16, further comprising;

means for performing sound playback of the output musical-piece data output from the rhythm slave unit; and

means for obtaining the body information of the listener who listens to the sound playback output;

wherein a selection signal for the selecting means is generated based on the obtained listener body information.

2. :

A musical-piece data recomposing apparatus, comprising;

a rhythm master unit for generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and a signal having a period corresponding to a beat of the musical piece and generating musical-piece recomposition information in synchronization with the synchronization signals- and

a rhythm slave unit for generating output musical-piece data by adding musical-piece data of multiple pieces of music content in accordance with the synchronization signals and the musical-piece recomposition information from the rhythm master unit and for outputting the output musical-piece data.

13. :

The musical-piece data recomposing apparatus according to claim 2, further comprising;

first obtaining means for obtaining, from a music-content-data storage unit in which data of multiple pieces of music content are stored, the data of music content to be played back; and

second obtaining means for obtaining, from an attribute-information storage unit in which attribute information containing musical-piece composition information of each musical-piece material of at least the music content is stored in association with the music content, the attribute information;

wherein the rhythm slave unit analyzes the attribute information of specific music contents the attribute information being obtained by the second obtaining means;

obtains musical-piece data of multiple pieces of music content through the first obtaining means the multiple pieces of music content having musical-piece recomposition information similar to the musical-piece recomposition information from the rhythm master units generates output musical-piece data by adding the obtained musical piece data based on the synchronization si gals and outputs the output musical-piece data.

14. :

The musical-piece data recomposing apparatus according to claim 13, wherein the specific music content is music content selected by a user.

15. :

The musical-piece data recomposing apparatus according to claim 13, wherein the specific music content is music content selected by the apparatus as a playback musical-piece candidate.

19. :

A musical-piece data recomposing method, comprising;

a first step of generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and a signal having a period corresponding to a beat of the musical piece and generating musical-piece recomposition information in synchronization with the synchronization signals; and

a second step of generating output musical-piece data by correcting input musical-piece data of music content in accordance with the synchronization signals and the musical-piece recomposition information generated in the first step and of outputting the output musical-piece data.

20. :

A musical-piece data recomposing method, comprising;

a first step of generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and a signal having a period corresponding to a beat of the musical piece and generating musical-piece recomposition information in synchronization with the synchronization signals; and

a second step of generating output musical-piece data by adding musical-piece data of multiple pieces of music content in accordance with the synchronization signals and the musical-piece recomposition information generated in the first step and of outputting the output musical-piece data.

21. A music-content playback apparatus, comprising:

a music-content-data storage unit in which data of multiple pieces of music content are stored;

first obtaining means for obtaining, from the music-content-data storage unit, the data of music content to be played back;

rhythm master means for generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and a signal having a period corresponding to a beat of the musical piece and generating musical-piece recomposition information in synchronization with the synchronization signals; and

rhythm slave means for generating output musical-piece data by recomposing the music content data to be played back, the music content data being obtained by the first obtaining means in accordance with the synchronization signals and the musical-piece recomposition information from the rhythm master unit, and for performing sound playback and output.

22. :

A music-content playback apparatus according to claim 21, further comprising;

sound collecting means for collecting ambient audio; and

analyzing means for analyzing an audio signal resulting from the collection performed by the sound collecting means;

wherein the rhythm master means generates the synchronization signals and the musical-piece recomposition information according to a tune of the audio collected by the sound collecting means, based on a result of the analysis performed by the analyzing means.

23. :

The music-content playback apparatus according to claim 21, further comprising;

an external input terminal through which musical-piece data of music content is input from another apparatus; and

tune analyzing means for analyzing a tune of the music content based on the musical piece data input through the external input terminal;

wherein the synchronization signals and the musical-piece recomposition information according to the tune of the music content input through the external input terminal are generated based on a result of the analysis performed by the tune analyzing means.

24. :

The music-content playback apparatus according to claim 21, further comprising;

means for obtaining body information of a listener who listens to the sound playback output;

wherein the rhythm master means generates the synchronization signals and the musical-piece recomposition information based on the obtained listener body information.

25. :

The music-content playback apparatus according to claim 21, further comprising;

ambient-environment-information obtaining means for obtaining ambient environment information;

wherein the rhythm master means generates the synchronization signals and the musical-piece recomposition information based on the ambient environment information obtained by the ambient-environment-information obtaining means.

26. :

The music-content playback apparatus according to claim 21, further comprising;

user-operation-input receiving means for receiving a user operation input;

wherein the rhythm master means generates the synchronization signals and the musical-piece recomposition information based on the user operation input received by the user-operation-input receiving means.

32. :

The music-content playback apparatus according to claim 21,

wherein the musical-piece recomposition information contains information indicating a tempo.

33. :

The music-content playback apparatus according to claim 21,

wherein the musical-piece recomposition information contains information indicating a tempo and information indicating a key.

34. :

The music-content playback apparatus according to claim 21,

wherein the musical-piece recomposition information contains information indicating a tempo and information indicating a chord or a chord progression.

35. :

The music-content playback apparatus according to claim 21,

wherein the musical-piece recomposition information contains information indicating a tempo, information indicating a key, and information indicating a chord or a chord progression.

27. :

A music-content playback apparatus, comprising;

first obtaining means for obtaining data of music content to be played back, from a music-content-data storage unit in which the data of multiple pieces of music content are stored;

second obtaining means for obtaining, from an attribute-information storage unit in which attribute information containing musical-piece composition information of each musical-piece material of at least the music content is stored in association with the music content, the attribute information,

rhythm master means for generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and a signal having a period corresponding to a beat of the musical piece and generating musical-piece recomposition information in synchronization with the synchronization signals, based on the attribute information of the music content to be played back, the attribute information being obtained by the second obtaining means; and

rhythm slave means for generating output musical-piece data by recomposing the music content data to be played back, the music content data being obtained by the first obtaining means, in accordance with the synchronization signals and the musical-piece recomposition information from the rhythm master unit, and for performing sound playback and output.

28. :

A music-content playback apparatus according to claim 27, further comprising;

means for obtaining body information of a listener who listens to the sound playback output;

wherein the rhythm master unit generates the synchronization signals and the musical-piece recomposition information based on the obtained listener body information in addition to the attribute information.

29. :

The music-content playback apparatus according to claim 27, further comprising;

ambient-environment-information obtaining means for obtaining ambient environment information;

wherein the rhythm master means generates the synchronization signals and the musical-piece recomposition information based on the ambient environment information obtained by the ambient-environment-information obtaining means in addition to the attribute information.

30. :

The music-content playback apparatus according to claim 27, further comprising;

user-operation-input receiving means for receiving a user operation input;

wherein the rhythm master means generates the synchronization signals and the musical-piece recomposition information based on the user operation input received by the user-operation-input receiving means in addition to the attribute information.

31. The music-content playback apparatus according to claim 27, further comprising:

a playback-history-information holding unit in which previous playback history of music content is held; and

detecting means for detecting music content having a high frequency of playback by referring to the playback history in the playback-history-information holding unit;

wherein the attribute information of the music content having a high frequency of playback, the music content being detected by the detecting means, is obtained from the attribute-information storage unit through the second obtaining means, and

the rhythm master unit generates the synchronization signals and the musical-piece recomposition information based on the obtained attribute information.

36. :

A music-content playback method, comprising;

an obtaining step of obtaining data of music content to be played back, from a music-content-data storage unit in which data of multiple pieces of music content are stored;

a rhythm master step of generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and a signal having a period corresponding to a beat of the musical piece and generating musical-piece recomposition information in synchronization with the synchronization signals; and

a rhythm slave step of generating output musical-piece data by recomposing the music content data to be played back, the music content data being obtained in the first obtaining step, in accordance with the synchronization signals and the musical-piece recomposition information generated in the rhythm master step and of performing sound playback and output.

37. :

A music-content playback method, comprising;

a first obtaining step of obtaining data of music content to be played back from a music-content-data storage unit in which data of multiple pieces of music content are stored;

a second obtaining step of obtaining, from an attribute-information storage unit in which attribute information containing musical-piece composition information of each musical-piece material of at least the music content is stored in association with the music content, the attribute information;

a rhythm master step of generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and a signal having a period corresponding to a beat of the musical piece and generating musical-piece recomposition information in synchronization with the synchronization signals, based on the attribute information of the music content to be played back, the attribute information being obtained in the second obtaining step; and

a rhythm slave step of generating output musical-piece data by recomposing the music content data to be played back, the music content data being obtained in the first obtaining step, in accordance with the synchronization signals and the musical-piece recomposition information obtained from the rhythm master step, and of performing sound playback and output.