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Class Information
Number: 84/630
Name: Music > Instruments > Electrical musical tone generation > Data storage > Digital memory circuit (e.g., ram, rom, etc.) > Expression or special effects (e.g., force or velocity responsive, etc.) > Reverberation
Description: Subject matter for providing time delays that simulate a plurality of acoustic reflections of a given tone; e.g., echo, etc.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8670570 Environmental effects generator for digital audio signals Mar. 11, 2014
8615090 Method and apparatus of generating sound field effect in frequency domain Dec. 24, 2013
8389847 Piano with electronic tone generator Mar. 5, 2013
8208648 Sound field reproducing device and sound field reproducing method Jun. 26, 2012
8116469 Headphone surround using artificial reverberation Feb. 14, 2012
8041045 Unnatural reverberation Oct. 18, 2011
7947891 Resonance tone generating apparatus and electronic musical instrument May. 24, 2011
7860256 Artificial-reverberation generating device Dec. 28, 2010
7612281 Reverberation effect adding device Nov. 3, 2009
7599501 Single bit per-voice dry/wet reverb control Oct. 6, 2009
7572970 Digital piano apparatus, method for synthesis of sound fields for digital piano, and computer-readable storage medium Aug. 11, 2009
7561699 Environmental reverberation processor Jul. 14, 2009
7522735 Electronic circuit with spring reverberation effect and improved output controllability Apr. 21, 2009
7463740 Sound data processing apparatus for simulating acoustic space Dec. 9, 2008
7403625 Signal processing unit Jul. 22, 2008
7400734 Method and apparatus for emulating audio effect Jul. 15, 2008
7369663 Method of creating reverberation by estimation of impulse response May. 6, 2008
7259316 Effect system Aug. 21, 2007
7233673 In-line early reflection enhancement system for enhancing acoustics Jun. 19, 2007
7217879 Reverberation sound generating apparatus May. 15, 2007
7149314 Reverberation processor based on absorbent all-pass filters Dec. 12, 2006
RE39189 Reverberators for use in wide band assisted reverberation systems Jul. 18, 2006
7062337 Artificial ambiance processing system Jun. 13, 2006
6978027 Reverberation processor for interactive audio applications Dec. 20, 2005
6909041 Sound field control method and sound field control system Jun. 21, 2005
6754352 Sound field production apparatus Jun. 22, 2004
6751322 Acoustic modeling system and method using pre-computed data structures for beam tracing and path generation Jun. 15, 2004
6723910 Reverberation generation processor Apr. 20, 2004
6665409 Methods for surround sound simulation and circuits and systems using the same Dec. 16, 2003
6611592 Incoming-call tone generation device Aug. 26, 2003
6580796 Sound effect imparting apparatus Jun. 17, 2003
6483922 Method and system for generating a simulated reverberation audio signal Nov. 19, 2002
6180866 Reverberating/resonating apparatus and method Jan. 30, 2001
6166315 Device for processing a microphone signal of a karaoke apparatus Dec. 26, 2000
6157724 Apparatus having loudspeakers concurrently producing music sound and reflection sound Dec. 5, 2000
6101583 Digital signal processor for delayed signal processing using memory shared with another device Aug. 8, 2000
6091824 Reduced-memory early reflection and reverberation simulator and method Jul. 18, 2000
6047073 Digital wavetable audio synthesizer with delay-based effects processing Apr. 4, 2000
5999630 Sound image and sound field controlling device Dec. 7, 1999
5977470 Electronic musical instrument with independent control of expression and effect Nov. 2, 1999
5939656 Music sound correcting apparatus and music sound correcting method capable of achieving similar audibilities even by speaker/headphone Aug. 17, 1999
5917917 Reduced-memory reverberation simulator in a sound synthesizer Jun. 29, 1999
5905222 Silent stringed instrument for producing electric sound from virtual sound source same as that of acoustic stringed instrument May. 18, 1999
5902950 Harmony effect imparting apparatus and a karaoke amplifier May. 11, 1999
5880390 Reverberation effect imparting apparatus Mar. 9, 1999
5864080 Software sound synthesis system Jan. 26, 1999
5835093 Audio equipment and method of displaying operation thereof Nov. 10, 1998
5818944 Reverberation generating system for generating later part of reverberation from initial part of reverberation and method of generating the reverberation Oct. 6, 1998
5804751 Electronic musical instrument for electronically generating tone together with resonant sound variable in response to pedal action Sep. 8, 1998
5789689 Tube modeling programmable digital guitar amplification system Aug. 4, 1998

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