Inventor · Goleta, CA, US

Allen Gersho

20Patents
14h-index
26Co-inventors
81Inventor score

Filing activity: Sep 30, 1974 → Sep 23, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US4969192A Vector adaptive predictive coder for speech and audio Physics 170 Expired
US4868867A Vector excitation speech or audio coder for transmission or storage Physics 132 Expired
US6233550A Method and apparatus for hybrid coding of speech at 4kbps Physics 128 Expired
US6475245B2 Method and apparatus for hybrid coding of speech at 4KBPS having phase alignment between mode-switched frames Physics 98 Expired
US5778335A Method and apparatus for efficient multiband celp wideband speech and music coding and decoding Physics 84 Expired
US6658383B2 Method for coding speech and music signals Physics 80 Expired
US6311154A Adaptive windows for analysis-by-synthesis CELP-type speech coding Physics 80 Expired
US7315815B1 LPC-harmonic vocoder with superframe structure Physics 39 Expired
US6625226B1 Variable bit rate coder, and associated method, for a communication station operable in a communication system Physics 32 Expired
US5890110A Variable dimension vector quantization Physics 31 Expired
US4412341A Interference cancellation method and apparatus Electricity 28 Expired
US5889891A Universal codebook vector quantization with constrained storage Electricity 25 Expired
US4457004A Multidimensional channel coding Electricity 22 Expired
US6941263B2 Frequency domain postfiltering for quality enhancement of coded speech Physics 21 Expired
US7286982B2 LPC-harmonic vocoder with superframe structure Physics 13 Expired
US3931596A Adaptive quantizer apparatus using training mode Electricity 11 Expired
US4012628A Filter with a reduced number of shift register taps Electricity 9 Expired
US7010482B2 REW parametric vector quantization and dual-predictive SEW vector quantization for waveform interpolative coding Physics 4 Expired
US7124077B2 Frequency domain postfiltering for quality enhancement of coded speech Physics 1 Expired
US7584095B2 REW parametric vector quantization and dual-predictive SEW vector quantization for waveform interpolative coding Physics 0 Expired

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