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| Brevets & Inventions |
| 2011 |
| January | Audio encoder and decoder for encoding and decoding frames of a sampled audio signal R. Geiger, B. Grill, B. Bessette, P. Gournay, G. Fuchs, M. Multrus, M. Neuendorf & G. Schuller |
| January | Audio encoder and decoder for encoding and decoding audio samples J. Lecomte, P. Gournay, S. Bayer, M. Multrus, B. Bessette & B. Grill |
| 2010 |
| October | Simultaneous time-domain and frequency-domain noise shaping for TDAC transforms B. Bessette |
| June | Forward time-domain aliasing cancellation with application in weighted or original signal domain B. Bessette |
| 2009 |
| November | Method and device for adaptive bandwidth pitch search in coding wideband signals B. Bessette, R. Salami & R. Lefebvre |
| July | Variable bit rate LPC filter quantizing and inverse quantizing device and method B. Bessette, P. Gournay & R. Salami |
| July | Device and method for quanitizing and inverse quanitizing LPC filters in a super-frame P. Gournay, B. Bessette & R. Salami |
| July | Multi-reference LPC filter quantization and inverse quantization device and method P. Gournay, B. Bessette & R. Salami |
| March | System and method for enhancing a decoded tonal sound signal T. Vaillancourt, M. Jelinek, V. Malenovsky & R. Salami |
| 2008 |
| October | Signal modification method for efficient coding of speech signals M. Tammi, M. Jelinek, C. Laflamme & V. Ruoppila |
| September | Method and device for fast algebraic codebook search in speech and audio coding R. Salami, V. Eksler & M. Jelinek |
| September | Method and device for efficient quantization of transform information in an embedded speech and audio codec T. Vaillancourt & R. Salami |
| June | Method and device for sound activity detection and sound signal classification V. Malenovsky, M. Jelinek, T. Vaillancourt & R. Salami |
| 2007 |
| December | Device and method for frame erasure concealment in a PCM codec interoperable with the ITU-T recommendation G.711 V. Malenovsky & R. Salami |
| October | Device and method for noise shaping in a multilayer embedded codec interoperable with the ITU-T G.711 standard B. Bessette, J. Lapierre, V. Malenovsky, R. Lefebvre, R. Salami |
| October | Method and device for coding transition frames in speech signals V. Eksler, M. Jelinek & R. Salami |
| April | Method for the time scaling of an audio signal P. Gournay, C. Laflamme & R. Salami |
| February | Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCX B. Bessette |
| 2006 |
| December | Method and device for efficient frame erasure concealment in speech codecs T. Vaillancourt, M. Jelinek, P. Gournay & R. Salami |
| November | Method and device for robust predictive vector quantization of linear prediction parameters in sound signal coding M. Jelinek |
| October | Method and apparatus for resynchronizing packetized audio streams K.D. Anderson & P. Gournay |
| August | Method and device for adaptive bandwidth pitch search in coding wideband signals B. Bessette, R. Salami & R. Lefebvre |
| June | System and method for adaptative transmission of comfort noise parameters during discontinuous speech transmission P. Gournay, M. Jelinek & S. C. Greer |
| 2005 |
| November | Method and device for low bit rate speech coding B. Bessette |
| February | Methods and devices for switching between sound signal coding modes at a coder and for producing target signals at a decoder B. Bessette |
| January | Method for interoperation between adaptive multi-rate wideband (AMR-WB) and multi-mode variable bit-rate wideband (VMR-WB) codecs M. Jelinek & R. Salami |
| January | Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding M. Jelinek |
| January | Method and device for gain quantization in variable bit rate wideband speech coding M. Jelinek & R. Salami |
| January | Methods and devices for source controlled variable bit-rate wideband speech coding M. Jelinek |
| 2004 |
| December | Method and device for speech enhancement in the presence of background noise M. Jelinek |
| 2003 |
| June | Method and device for efficient in-band dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for CDMA wireless systems M. Jelinek & R. Salami |
| May | Method and device for efficient frame erasure concealment in linear predictive based speech codecs M. Jelinek & P. Gournay |
| May | Method and system for multi-rate lattice vector quantization of a signal B. Bessette, S. Ragot & J-P Adoul |
| May | Method and device for frequency-selective pitch enhancement of synthesized speech B. Bessette, C. Laflamme, M. Jelinek & R. Lefebvre |
| 2002 |
| December | Signal modification method for efficient coding of speech signals M. Tammi, M. Jelinek, C. Laflamme & V. Ruoppila |
| 2001 |
| November | Indexing pulse positions and signs in algebraic codebooks for coding of wideband signals B. Bessette |
| November | Periodicity enhancement in decoding wideband signals B. Bessette, R. Salami & R. Lefebvre |
| June | Perceptual weighting device and method for efficient coding of wideband signals B. Bessette, R. Salami & R. Lefebvre |
| 2000 |
| November | Gain-smoothing in wideband speech and audio signal decoder B. Bessette, R. Salami & R. Lefebvre |
| 1999 |
| October | Method and device for adaptive bandwidth pitch search in coding wideband signals B. Bessette, R. Salami & R. Lefebvre |
| October | High frequency content recovering method and device for over-sampled synthesized wideband signal B. Bessette, R. Salami & R. Lefebvre |
| January | Instability eradication for analysis-by-synthesis speech codecs T. Honkanen, C. Laflamme & J-P. Adoul |
| 1997 |
| June | Baud-rate-independent ASVD transmission built around G.729 speech-coding standard R. Salami, C. Laflamme, J-P. Adoul, A. S. Adri, S. Ardalan & H. Ye |
| April | Method and device for eradicating instability due to periodic signals in analysis-by-synthesis speech codecs T. Honkanen, C. Laflamme & J-P. Adoul |
| 1995 |
| July | Depth-first algebraic-codebook search for fast coding of speech J-P. Adoul & C. Laflamme |
| July | Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech J-P. Adoul & C. Laflamme |
| May | Fast sparse-algebraic-codebook search for efficient speech coding J-P. Adoul & C. Laflamme |
| April | Predictive split-matrix quantization of spectral parameters for efficient coding of speech C. Laflamme, R. Salami & J-P. Adoul |
| 1992 |
| September | Dynamic codebook for efficient speech coding based on algebraic codes J-P. Adoul & C. Laflamme |
| 1982 |
| February | Apparatus and method of reducing the bit rate of PCM speech J-P. Adoul |
| 1976 |
| May | Method and apparatus for speech detection of PCM multiplexed voice channels J-P. Adoul & F. Daaboul |
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