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| Paper: | SP-P5.11 |
| Session: | Topics in Speech Coding |
| Time: | Wednesday, May 19, 09:30 - 11:30 |
| Presentation: |
Poster |
| Topic: |
Speech Processing: Speech Enhancement |
| Title: |
NOISE REDUCTION ON SPEECH CODEC PARAMETERS |
| Authors: |
Herve Taddei; Siemens AG | | |
| | Christophe Beaugeant; Siemens AG | | |
| | Mickael de Meuleneire; Siemens AG | | |
| Abstract: |
The transmission of speech in mobile or packet networks requires the use of a speech codec. In order to improve the quality of speech in a noisy environment, a noise reduction algorithm is used. This noise reduction can either be done as pre-processing before speech encoding or in the network by decoding the bitstream, performing the speech enhancement in the time and/or frequency domain and re-encoding the speech. Both methods are computationally expensive. In this paper a new approach to reduce environmental background noise by modifying the codec parameters is discussed. |
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