| 10249322 |
Audio processing devices and audio processing methods |
Christoph Nelke, Navin Chatlani, Christophe Beaugeant |
2019-04-02 |
| 8903722 |
Noise reduction for dual-microphone communication devices |
Marco Jeub, Christoph Nelke, Christian Herglotz, Christophe Beaugeant |
2014-12-02 |
| 8612216 |
Method and arrangements for audio signal encoding |
Martin Gärtner, Bernd Geiser, Peter Jax, Stefan Schandl, Herve Taddei |
2013-12-17 |
| 8612218 |
Method for error concealment in the transmission of speech data with errors |
Frank Mertz |
2013-12-17 |
| 8412519 |
Steganography in digital signal encoders |
Bernd Geiser |
2013-04-02 |
| 8364476 |
Method and apparatus of communication |
Hauke Kruger, Bernd Geiser |
2013-01-29 |
| 8265940 |
Method and device for the artificial extension of the bandwidth of speech signals |
Bernd Geiser, Peter Jax, Stefan Schandl, Herve Taddei, Aulis Telle |
2012-09-11 |
| 7933770 |
Method and device for coding audio data based on vector quantisation |
Hauke Kruger |
2011-04-26 |
| 6546515 |
Method of encoding a signal |
Stefan Heinen, Stefan Bleck |
2003-04-08 |
| 6377553 |
Method and device for error masking in digital transmission systems |
Tim Fingscheidt |
2002-04-23 |
| 5940774 |
Cell control system for cellular, digital mobile communication system |
Werner Schmidt, Wolfgang Papen, Stefan Zurbes |
1999-08-17 |
| 4998241 |
Echo canceller |
Wolfgang Brox |
1991-03-05 |
| 4868810 |
Multi-stage transmitter aerial coupling device |
Ulrich Wellens |
1989-09-19 |
| 4766562 |
Digital analyzing and synthesizing filter bank with maximum sampling rate reduction |
— |
1988-08-23 |
| 4700394 |
Method of recognizing speech pauses |
Bernd Selbach |
1987-10-13 |
| 4682361 |
Method of recognizing speech pauses |
Bernd Selbach |
1987-07-21 |
| 4623980 |
Method of processing electrical signals by means of Fourier transformations |
— |
1986-11-18 |
| 4607362 |
Method of and circuit arrangement for establishing conference connections in a switching system |
Rudolf Hofmann, Karl Hellwig |
1986-08-19 |
