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Class Information
Number: 84/DIG.9
Name: Music > Filtering

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
6881892 Method of configurating acoustic correction filter for stringed instrument Apr. 19, 2005
6548749 Electronic musical instrument and tone volume control method Apr. 15, 2003
RE38003 Filtering apparatus for an electronic musical instrument Feb. 25, 2003
6448488 Measurement and processing of stringed acoustic instrument signals Sep. 10, 2002
6426456 Method and apparatus for generating percussive sounds in embedded devices Jul. 30, 2002
6410838 Musical sound signal synthesizer and method for synthesizing musical sound signals using nonlinear transformer Jun. 25, 2002
6350943 Electric instrument amplifier Feb. 26, 2002
RE37422 Electronic musical instrument Oct. 30, 2001
6300553 Pitch shifter Oct. 9, 2001
6284965 Physical model musical tone synthesis system employing truncated recursive filters Sep. 4, 2001
6259014 Additive musical signal analysis and synthesis based on global waveform fitting Jul. 10, 2001
6222110 Simulated tone stack for electric guitar Apr. 24, 2001
6218604 Tone generator with diversification of waveform using variable addressing Apr. 17, 2001
6096960 Period forcing filter for preprocessing sound samples for usage in a wavetable synthesizer Aug. 1, 2000
6051770 Method and apparatus for composing original musical works Apr. 18, 2000
6040516 Tone generation system using computer software and storage medium storing the computer software Mar. 21, 2000
6034315 Signal processing apparatus and method and information recording apparatus Mar. 7, 2000
6011213 Synthesis of sounds played on plucked string instruments, using computers and synthesizers Jan. 4, 2000
5998726 Musical sound generating system with controlled tone Dec. 7, 1999
5942708 Tone generator with diversification of waveform using variable addressing Aug. 24, 1999
5942709 Audio processor detecting pitch and envelope of acoustic signal adaptively to frequency Aug. 24, 1999
5939656 Music sound correcting apparatus and music sound correcting method capable of achieving similar audibilities even by speaker/headphone Aug. 17, 1999
5911170 Synthesis of acoustic waveforms based on parametric modeling Jun. 8, 1999
5900570 Method and apparatus for synthesizing musical sounds by frequency modulation using a filter May. 4, 1999
5886276 System and method for multiresolution scalable audio signal encoding Mar. 23, 1999
5886278 Apparatus for reducing change in timbre at each point where tone ranges are switched Mar. 23, 1999
5877447 Compensation circuit for piezoelectric pickup Mar. 2, 1999
5847304 PC audio system with frequency compensated wavetable data Dec. 8, 1998
5831194 Electronic keyboard musical instrument capable of imparting effect similar to that of soft pedal Nov. 3, 1998
5827987 Electronic musical instrument with a variable coefficients digital filter responsive to key touch Oct. 27, 1998
5814752 Musical instrument crossover circuits and method of using same Sep. 29, 1998
5814750 Method for varying the pitch of a musical tone produced through playback of a stored waveform Sep. 29, 1998
5777255 Efficient synthesis of musical tones having nonlinear excitations Jul. 7, 1998
RE35813 Tone signal generation device with resonance tone effect Jun. 2, 1998
5753842 Electronic keyboard instrument May. 19, 1998
5744742 Parametric signal modeling musical synthesizer Apr. 28, 1998
5736666 Music composition Apr. 7, 1998
5731533 Musical tone signal forming apparatus for use in simulating a tone of string instrument Mar. 24, 1998
5731536 Audio signal processing circuit for electric guitars for simulating the sound produced by the combination of an amplifier and microphone Mar. 24, 1998
5712439 Musical tone signal producing apparatus for simulating the effect of a vibrating element of a wind instrument Jan. 27, 1998
5703313 Passive nonlinear filter for digital musical sound synthesizer and method Dec. 30, 1997
5698807 Digital sampling instrument Dec. 16, 1997
5693901 Electronic musical instrument Dec. 2, 1997
5687105 Processing device performing plural operations for plural tones in response to readout of one program instruction Nov. 11, 1997
5648629 Electronic musical instrument with resonance sounds Jul. 15, 1997
5641929 Apparatus for and method of generating musical tones Jun. 24, 1997
5631434 Filtering apparatus for an electronic musical instrument May. 20, 1997
5597970 Waveform processing apparatus and an electronic musical instrument using the output waveform thereof Jan. 28, 1997
5532424 Tone generating apparatus incorporating tone control utliizing compression and expansion Jul. 2, 1996
5521329 Musical tone synthesizing apparatus including loop gain control May. 28, 1996

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