1
Yang Gao, Huan Yu Su: Adaptive gain reduction to produce fixed codebook target signal. Conexant Systems, Akin Gump Strauss Hauer & Feld, August 15, 2000: US06104992 (85 worldwide citation)

A multi-rate speech codec supports a plurality of encoding bit rate modes by adaptively selecting encoding bit rate modes to match communication channel restrictions. In higher bit rate encoding modes, an accurate representation of speech through CELP (code excited linear prediction) and other assoc ...


2
Huan Yu Su, Adil Benyassine, Jes Thyssen: Speech encoder using voice activity detection in coding noise. Conexant Systems, November 23, 2004: US06823303 (77 worldwide citation)

A multi-rate speech codec supports a plurality of encoding bit rate modes by adaptively selecting encoding bit rate modes to match communication channel restrictions. In higher bit rate encoding modes, an accurate representation of speech through CELP (code excited linear prediction) and other assoc ...


3
Huan Yu Su, Eyal Shlomot, Jes Thyssen, Adil Benyassine, Yang Gao: Conference bridge processing of speech in a packet network environment. Conexant Systems, October 8, 2002: US06463414 (75 worldwide citation)

There is provided a conference bridge or transcoder configured to intelligently handle multiple speech channels in the contest of a packet network, wherein various speech channels may adhere to variety of speech encoding standards. For example, the conference bridge establishes framing and alignment ...


4
Yang Gao, Adil Benyassine, Huan yu Su, Eyal Shlomot, Jes Thyssen: Codebook tables for encoding and decoding. Conexant Systems, Farjami & Farjami, June 3, 2003: US06574593 (73 worldwide citation)

A speech compression system capable of encoding a speech signal into a bitstream for subsequent decoding to generate synthesized speech is disclosed. The speech compression system optimizes the bandwidth consumed by the bitstream by balancing the desired average bit rate with the perceptual quality ...


5
Jes Thyssen, Huan yu Su, Yang Gao, Adil Benyassine: Speech codec employing noise classification for noise compensation. Conexant Systems, May 29, 2001: US06240386 (70 worldwide citation)

A multi-rate speech codec supports a plurality of encoding bit rate modes by adaptively selecting encoding bit rate modes to match communication channel restrictions. In higher bit rate encoding modes, an accurate representation of speech through CELP (code excited linear prediction) and other assoc ...


6
Yang Gao, Huan Yu Su: Adaptive tilt compensation for synthesized speech residual. Conexant Systems, Farjami & Farjami, May 7, 2002: US06385573 (67 worldwide citation)

A multi-rate speech codec supports a plurality of encoding bit rate modes by adaptively selecting encoding bit rate modes to match communication channel restrictions. In higher bit rate encoding modes, an accurate representation of speech through CELP (code excited linear prediction) and other assoc ...


7
Yang Gao, Adil Benyassine, Jes Thyssen, Eyal Shlomot, Huan yu Su: Encoding and decoding speech signals variably based on signal classification. Mindspeed Technologies, Farjami & Farjami, May 11, 2004: US06735567 (67 worldwide citation)

A speech compression system capable of encoding a speech signal into a bitstream for subsequent decoding to generate synthesized speech is disclosed. The speech compression system optimizes the bandwidth consumed by the bitstream by balancing the desired average bit rate with the perceptual quality ...


8
Huan Yu Su, Yang Gao: Speech classification and parameter weighting used in codebook search. Conexant Systems, Brinks Hofer Gilson & Lione, December 10, 2002: US06493665 (57 worldwide citation)

A multi-rate speech coded supports a plurality of encoding bit rate modes by adaptively selecting encoding bit rate modes to match communication channel restrictions. In higher bit rate encoding modes, an accurate representation of speech through CELP (code excited linear prediction) and other assoc ...


9
Adil Benyassine, Eyal Shlomot, Huan Yu Su: Speech communication system and method for handling lost frames. Mindspeed Technologies, Farjami & Farjami, October 21, 2003: US06636829 (52 worldwide citation)

An exemplary decoder comprises a receiver that receives parameters of a speech signal on a frame-by-frame basis, a control logic for decoding parameters and for resynthesizing the speech signal, the control logic including a minimum spacing indicative of a minimum difference required between LSFs of ...


10
Yang Gao, Adil Benyassine, Jes Thyssen, Eyal Shlomot, Huan yu Su: System of encoding and decoding speech signals. Conexant Systems, Farjami & Farjami, August 5, 2003: US06604070 (48 worldwide citation)

A speech compression system capable of encoding a speech signal into a bitstream for subsequent decoding to generate synthesized speech is disclosed. The speech compression system optimizes the bandwidth consumed by the bitstream by balancing the desired average bit rate with the perceptual quality ...