Inventor · Santa Cruz, CA, US

Jean Laroche

43Patents
20h-index
27Co-inventors
85Inventor score

Filing activity: Oct 4, 1996 → Nov 3, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6453252B1 Process for identifying audio content Physics 275 Expired
US6526325B1 Pitch-Preserved digital audio playback synchronized to asynchronous clock Physics 262 Expired
US6687664B1 Audio-visual scrubbing system Physics 176 Expired
US9640194B1 Noise suppression for speech processing based on machine-learning mask estimation Physics 108 Active
US9558755B1 Noise suppression assisted automatic speech recognition Physics 96 Active
US5717768A Process for reducing the pre-echoes or post-echoes affecting audio recordings Physics 70 Expired
US6549884B1 Phase-vocoder pitch-shifting Physics 62 Expired
US6868377B1 Multiband phase-vocoder for the modification of audio or speech signals Physics 51 Expired
US6316712A Method and apparatus for tempo and downbeat detection and alteration of rhythm in a musical segment Emerging Cross-Sectional Technologies 50 Expired
US6766300B1 Method and apparatus for transient detection and non-distortion time scaling Physics 40 Expired
US8447045B1 Multi-microphone active noise cancellation system Physics 40 Active
US8526628B1 Low latency active noise cancellation system Physics 37 Active
US6405163B1 Process for removing voice from stereo recordings Electricity 36 Expired
US8447596B2 Monaural noise suppression based on computational auditory scene analysis Physics 31 Active
US6049766A Time-domain time/pitch scaling of speech or audio signals with transient handling Physics 30 Expired
US8750538B2 Method for enhancing audio signals Electricity 30 Active
US8611552B1 Direction-aware active noise cancellation system Electricity 23 Active
US8880396B1 Spectrum reconstruction for automatic speech recognition Physics 21 Active
US9496850B2 Alias-free subband processing Electricity 21 Active
US9754597B2 Alias-free subband processing Electricity 20 Active
US8848935B1 Low latency active noise cancellation system Electricity 18 Active
US6307141A Method and apparatus for real-time beat modification of audio and music signals Emerging Cross-Sectional Technologies 17 Expired
US8345899B2 Phase-amplitude matrixed surround decoder Electricity 16 Active
US6442581B1 Lattice structure for IIR and FIR filters with automatic normalization Electricity 16 Expired
US8682006B1 Noise suppression based on null coherence Physics 14 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.