Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |