A bitrate and bandwidth scalable CELP coder

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

Volumn 1, Issue , 1998, Pages 341-344

  Nomura, T ^a   Iwadare, M ^a   Serizawa, M ^a   Ozawa, K ^a  

^a NEC CORPORATION   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

BANDWIDTH EXTENSION; BANDWIDTH SCALABILITY; CODING QUALITY; COMPARISON TEST; EXCITATION SIGNALS; MEAN OPINION SCORES; MULTIMEDIA APPLICATIONS; SUBBAND STRUCTURES;

BANDWIDTH; MOTION PICTURE EXPERTS GROUP STANDARDS; SCALABILITY; SIGNAL PROCESSING;

SPEECH CODING;

EID: 0031628584     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.1998.674437     Document Type: Conference Paper

References (13)

1. ISO/IEC JTC1/SC29/WG11/N1745, "Working Draft of ISO/IEC 14496-3 MPEG-4 Audio Ver. 3.0," 1997.
2. R. Drogo de Iacovo, et al., "Embedded CELP Coding for Variable Bit-Rate between 6.4 and 9.6 kbit/s," Proc. ICASSP'91, pp.681-684,1991.
3. CCTTT Rec. G.722, "7 kHz Audio Coding within 64 kbit/s," CCTIT Red Book, 1984.
4. R. Drogo de Jacovo, et al., "Some Experiments of 7 kHz Audio Coding at 16 kbit/s," Proc. ICASSP'89, pp.192-195, 1989.
5. A. Kataoka, et al., "A 16-kbit/s Wideband Speech Codec Scalable with G.729," Proc. Eurospeech'97, pp.1491-1494, 1997.
6. S. Taumi, et al., "Low-delay CELP with multi-pulse VQ and fast search for GSM EFR," Proc. ICASSP'9'6, pp.562-565, 1996.
7. K. Ozawa, et al., "MP-CELP Speech Coding Based on Multi-Pulse Vector Quantization and Fast Search," IEICE, Vol.J79-A, No.10, pp.1655-1663, 1996 (In Japanese).
8. K. Ozawa, et al., "M-LCELP Speech Coding at 4 kbit/s with Multi-mode and Multi-codebook," IEICE Trans. Commun.,Vol.E77-B,No.9,pp.lll4-l 121,1994.
9. C. Laflamme, et al., "16 kbps Wideband Speech Coding Technique Based on Algebraic CELP," Proc. ICASSP'91, pp. 13-16,1991.
10. ITU-T Rec. G.729, "Coding of speech at 8-kbit/s using conjugate structure algebraic code-excited linear prediction (CS-ACELP)," COM 15-152-E, 1995.
11. T. Nomura, et al., "Proposal of compression algorithm with rate control for MPEG-4/Audio core experiments," ISO/IEC JTC1/SC29/WG11/M1509, 1996.
12. H. Ohmuro, et al., "Coding of LSP Parameters Using Inter-frame Moving Average Prediction and Multi-Stage Vector Quantization," Proc. IEEE Speech Coding Workshop, pp.63-64, 1993.
13. M. Serizawa, et al., "A 16 kbit/s Wideband CELP Coder with a High-Order Backward Predictor and Its Fast Coefficient Calculation," Proc. IEEE Speech Coding Workshop, pp. 107-108, 1997.