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Class Information
Number: 84/637
Name: Music > Instruments > Electrical musical tone generation > Data storage > Digital memory circuit (e.g., ram, rom, etc.) > Accompaniment > Chords
Description: Subject matter wherein the data represents a plurality of musical tones to be played simultaneously.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8642875 MIDI re-mapping process for utilizing proper music theory when playing a keyboard Feb. 4, 2014
8614388 System and method for generating customized chords Dec. 24, 2013
8492636 Chord detection apparatus, chord detection method, and program therefor Jul. 23, 2013
8426716 Intelligent keyboard interface for virtual musical instrument Apr. 23, 2013
8420921 Information processing apparatus, sound analysis method, and program Apr. 16, 2013
8378202 Portable communication device capable of virtually playing musical instruments Feb. 19, 2013
8373054 Electronic musical instrument Feb. 12, 2013
8269094 System and method to generate and manipulate string-instrument chord grids in a digital audio workstation Sep. 18, 2012
RE43379 Music selecting apparatus and method May. 15, 2012
8168877 Musical harmony generation from polyphonic audio signals May. 1, 2012
8106281 Music difficulty level calculating apparatus and music difficulty level calculating method Jan. 31, 2012
8101844 Automatic analysis and performance of music Jan. 24, 2012
8008568 Information processing device and method, and recording medium Aug. 30, 2011
7985917 Automatic accompaniment for vocal melodies Jul. 26, 2011
7834261 Music composition reproducing device and music composition reproducing method Nov. 16, 2010
7834262 Electronic keyboard instrument Nov. 16, 2010
7825320 Electronic keyboard musical instrument for assisting in improvisation Nov. 2, 2010
7745715 Method for generating audio data and user terminal and record medium using the same Jun. 29, 2010
7705231 Automatic accompaniment for vocal melodies Apr. 27, 2010
7653534 Apparatus and method for determining a type of chord underlying a test signal Jan. 26, 2010
7605322 Apparatus for automatically starting add-on progression to run with inputted music, and computer program therefor Oct. 20, 2009
7601907 Signal processing apparatus and method, program, and recording medium Oct. 13, 2009
7528317 Harmonic analysis May. 5, 2009
7504575 Intonation training device Mar. 17, 2009
7485797 Chord-name detection apparatus and chord-name detection program Feb. 3, 2009
7411125 Chord estimation apparatus and method Aug. 12, 2008
7385130 Music selecting apparatus and method Jun. 10, 2008
7365263 Intonation training device Apr. 29, 2008
7335834 Musical composition data creation device and method Feb. 26, 2008
7288711 Chord presenting apparatus and storage device storing a chord presenting computer program Oct. 30, 2007
7288710 Music searching apparatus and method Oct. 30, 2007
7250567 Automatic musical composition classification device and method Jul. 31, 2007
7205470 Play data editing device and method of editing play data Apr. 17, 2007
7200813 Performance information edit and playback apparatus Apr. 3, 2007
7179981 Music structure detection apparatus and method Feb. 20, 2007
7164076 System and method for synchronizing a live musical performance with a reference performance Jan. 16, 2007
7109407 Chord presenting apparatus and storage device storing a chord presenting computer program Sep. 19, 2006
7053292 Device comprising a sound signal generator and method for forming a call signal May. 30, 2006
6852918 Automatic accompaniment apparatus and a storage device storing a program for operating the same Feb. 8, 2005
6791021 Automatic chord progression correction apparatus and automatic composition apparatus Sep. 14, 2004
6777607 Moving tempered music scale method and apparatus Aug. 17, 2004
6410839 Apparatus and method for automatic musical accompaniment while guiding chord patterns for play Jun. 25, 2002
6380475 Chord detection technique for electronic musical instrument Apr. 30, 2002
6346666 Apparatus and method for practice and evaluation of musical performance of chords Feb. 12, 2002
6313389 Automatic accompaniment apparatus adjusting sound levels for each part of a plurality of patterns when one pattern is switched to another pattern Nov. 6, 2001
6307140 Music apparatus with pitch shift of input voice dependently on timbre change Oct. 23, 2001
6201178 On-the-fly note generation and a musical instrument Mar. 13, 2001
6153821 Supporting arbitrary beat patterns in chord-based note sequence generation Nov. 28, 2000
6150599 Dynamically halting music event streams and flushing associated command queues Nov. 21, 2000
6100462 Apparatus and method for generating melody Aug. 8, 2000

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