Music composition data reconstruction device, music composition data reconstruction method, music content reproduction device, and music content reproduction method

A musical-piece data recomposing apparatus, comprising:

• a musical-piece reading unit configured to input musical-piece data of multiple pieces of music content;
• a rhythm master unit configured to generate synchronization signals containing a signal having a period corresponding to a measure of the inputted musical-piece data and another signal having a period corresponding to a beat of the inputted musical-piece data and to generate musical-piece recomposition information in synchronization with the synchronization signals;
• and
• a rhythm slave unit configured to generate output musical-piece data by adding the inputted 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 to output the output musical-piece data.

A musical-piece data recomposing method, comprising:

• inputting musical-piece data of music content;
• generating synchronization signals containing a signal having a period corresponding to a measure of the inputted musical-piece data and another signal having a period corresponding to a beat of the inputted musical-piece data and generating musical-piece recomposition information in synchronization with the synchronization signals;
• and
• generating output musical-piece data by recomposing the inputted musical-piece data of music content in accordance with the synchronization signals and the generated musical-piece recomposition information and of outputting the output musical-piece data.

A musical-piece data recomposing method, comprising:

• inputting musical-piece data of multiple pieces of music content;
• generating synchronization signals containing a signal having a period corresponding to a measure of the inputted musical-piece data and another signal having a period corresponding to a beat of the inputted musical-piece data and generating musical-piece recomposition information in synchronization with the synchronization signals;
• and
• generating output musical-piece data by adding the inputted musical-piece data of multiple pieces of music content in accordance with the synchronization signals and the generated musical-piece recomposition information and of outputting the output musical-piece data.

A music-content playback apparatus, comprising:

• a music-content-data storage means for storing data of multiple pieces of music content;
• first obtaining means for obtaining, from the music-content-data storage means, 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 the music-content-data obtained by the first obtaining means and another signal having a period corresponding to a beat of the music-content-data obtained by the first obtaining means 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 obtained by the first obtaining means, in accordance with the synchronization signals and the musical-piece recomposition information from the rhythm master means, and for performing sound playback and output.

A music-content playback apparatus, comprising:

• a first obtaining means for obtaining data of music content to be played back from a music-content-data storage means for storing data of multiple pieces of music content;
• second obtaining means for obtaining the attribute information from an attribute-information storage means for storing attribute information containing musical-piece composition information of each musical-piece material of at least the music content in association with the music content;
• rhythm master means for generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and another 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 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 obtained by the first obtaining means, in accordance with the synchronization signals and the musical-piece recomposition information from the rhythm master means, and for performing sound playback and output.

A music-content playback method, comprising:

• 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;
• generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and another 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
• generating output musical-piece data by recomposing the music content data to be played back, the obtained music content data, in accordance with the synchronization signals and the generated musical-piece recomposition information, and of performing sound playback and output.

A music-content playback method, comprising:

• 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;
• 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;
• generating synchronization signals containing a signal having a period corresponding to a measure of a musical piece and another 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 obtained attribute information of the music content to be played back;
• and
• generating output musical-piece data by recomposing the music content data to be played back, the obtained music content data, in accordance with the synchronization signals and the obtained musical-piece recomposition information obtained, and of performing sound playback and output.