| Paper: | SLP-L1.1 | ||
| Session: | Speech Coding for Network Applications | ||
| Time: | Tuesday, May 16, 10:30 - 10:50 | ||
| Presentation: | Lecture | ||
| Topic: | Speech and Spoken Language Processing: Wide-band Speech Coding | ||
| Title: | A 8-32 kbit/s Scalable Wideband Speech and Audio Coding Candidate for ITU-T G729EV Standardization | ||
| Authors: | Stephane Ragot, Balazs Kovesi, David Virette, Romain Trilling, Dominique Massaloux, France Télécom R&D Division, France | ||
| Abstract: | This paper describes a 8--32 kbit/s scalable speech and audio coder submitted as a candidate for the ITU-T G729-based Embedded Variable bitrate (G729EV) standardization. The coder is built upon a 3-stage coding structure consisting of: narrowband cascade CELP coding at 8 and 12 kbit/s, bandwidth extension based on wideband linear-predictive coding (WB-LPC) at 14 kbit/s, and MDCT coding in a WB-LPC weighted signal domain from 14 to 32 kbit/s. ITU-T test results showed that this coder passed all the requirements of the G729EV qualification phase. | ||
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