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Class Information
Number: 84/659
Name: Music > Instruments > Electrical musical tone generation > Digital combinational circuit > Tone synthesis or timbre control
Description: Subject matter wherein harmonic content of a note is controlled or modified.










Sub-classes under this class:

Class Number Class Name Patents
84/661 Filtering 164
84/660 Mixing 155


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
5892171 Method of extending capability of music apparatus by networking Apr. 6, 1999
5889223 Karaoke apparatus converting gender of singing voice to match octave of song Mar. 30, 1999
5880392 Control structure for sound synthesis Mar. 9, 1999
5864082 Tone synthesizing apparatus and method based on ensemble of arithmetic processor and dedicated tone generator device Jan. 26, 1999
5847304 PC audio system with frequency compensated wavetable data Dec. 8, 1998
5809342 Computer system and method for generating delay-based audio effects in a wavetable music synthesizer which stores wavetable data in system memory Sep. 15, 1998
5804750 Universal microcomputer chip for electronic musical machine Sep. 8, 1998
5768127 Received data processing system for receiving performance data having removable storage Jun. 16, 1998
5763800 Method and apparatus for formatting digital audio data Jun. 9, 1998
5750914 Electronic musical instrument having an effect data converting function May. 12, 1998
5744741 Digital signal processing device for sound signal processing Apr. 28, 1998
5745743 Digital signal processor integrally incorporating a coefficient interpolator structured on a hardware basis Apr. 28, 1998
5719345 Frequency modulation system and method for audio synthesis Feb. 17, 1998
5703307 Tone generating apparatus with FM sound source and PCM sound source Dec. 30, 1997
5703313 Passive nonlinear filter for digital musical sound synthesizer and method Dec. 30, 1997
5691496 Musical tone control apparatus for filter processing a musical tone waveform ONLY in a transient band between a pass-band and a stop-band Nov. 25, 1997
5677503 Tone generator Oct. 14, 1997
5652402 Electronic musical instrument capable of splitting its keyboard correspondingly to different tone colors Jul. 29, 1997
5648629 Electronic musical instrument with resonance sounds Jul. 15, 1997
5641931 Digital sound synthesizing device using a closed wave guide network with interpolation Jun. 24, 1997
5627334 Apparatus for and method of generating musical tones May. 6, 1997
5614686 Multidimensional digital waveguide signal synthesis system and method Mar. 25, 1997
5610354 Musical tone signal synthesizer Mar. 11, 1997
5587548 Musical tone synthesis system having shortened excitation table Dec. 24, 1996
5578780 Sound synthesis system having pitch adjusting function by correcting loop delay Nov. 26, 1996
5563359 Electronic musical instrument system with a plurality of musical instruments interconnected via a bidirectional communication network Oct. 8, 1996
5559301 Touchscreen interface having pop-up variable adjustment displays for controllers and audio processing systems Sep. 24, 1996
5554814 Electronic musical instrument creating timbre by optimum synthesis mode Sep. 10, 1996
5554813 Tone signal synthesizer employing a closed wave guide network Sep. 10, 1996
5543578 Residual excited wave guide Aug. 6, 1996
5521328 Electronic musical instrument for simulating wind instrument musical tones May. 28, 1996
5519167 Musical tone synthesizing apparatus May. 21, 1996
5512703 Electronic musical instrument utilizing a tone generator of a delayed feedback type controllable by body action Apr. 30, 1996
5508473 Music synthesizer and method for simulating period synchronous noise associated with air flows in wind instruments Apr. 16, 1996
5504270 Method and apparatus for dissonance modification of audio signals Apr. 2, 1996
5500486 Physical model musical tone synthesis system employing filtered delay loop Mar. 19, 1996
5498836 Controller for tone signal synthesizer of electronic musical instrument Mar. 12, 1996
5495072 Automatic performance apparatus Feb. 27, 1996
5481067 Electronic musical instrument under control of multiple task requirement Jan. 2, 1996
5471007 Multidimensional digital waveguide signal synthesis system and method Nov. 28, 1995
5466884 Music synthesizer system and method for simulating response of resonant digital waveguide struck by felt covered hammer Nov. 14, 1995
5466884 Music synthesizer system and method for simulating response of resonant digital waveguide struck by felt covered hammer Nov. 14, 1995
5448009 Electronic musical instrument including tone generator controller capable of conducting efficient control on different types of tone generators Sep. 5, 1995
5438156 Wind type tone synthesizer adapted for simulating a conical resonance tube Aug. 1, 1995
5426262 Electronic musical instrument capable of simulating small pitch variation at initiation of musical tone generation Jun. 20, 1995
5391829 Electronic musical instrument with an automated performance function Feb. 21, 1995
5373098 Device for generating tone signals using modulation Dec. 13, 1994
5371317 Musical tone synthesizing apparatus with sound hole simulation Dec. 6, 1994
5354947 Musical tone forming apparatus employing separable nonliner conversion apparatus Oct. 11, 1994
5352849 Musical tone synthesizing apparatus simulating interaction between plural strings Oct. 4, 1994

1 2 3 4 5 6










 
 
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