| 7359857 |
Method and system of correcting spectral deformations in the voice, introduced by a communication network |
Gaël Mahé |
2008-04-15 |
| 6968352 |
Device for digital processing with frequency filtering and reduced computation complexity |
Wolfgang Tager, Valérie Turbin |
2005-11-22 |
| 6556682 |
Method for cancelling multi-channel acoustic echo and multi-channel acoustic echo canceller |
Valérie Turbin |
2003-04-29 |
| 6122609 |
Method and device for the optimized processing of a disturbing signal during a sound capture |
Pascal Scalart |
2000-09-19 |
| 4956838 |
Echo cancelling device with frequency sub-band filtering |
Martin Vetterli |
1990-09-11 |
| 4389726 |
Adaptive predicting circuit using a lattice filter and a corresponding differential PCM coding or decoding apparatus |
Alain Le Guyader |
1983-06-21 |
| 4385393 |
Adaptive prediction differential PCM-type transmission apparatus and process with shaping of the quantization noise |
Christian Chaure, Albert Benveniste |
1983-05-24 |
| 4319082 |
Adaptive prediction differential-PCM transmission method and circuit using filtering by sub-bands and spectral analysis |
Jean-Frederic Zurcher |
1982-03-09 |