IMPLEMENTATION OF AN ENHANCED FIXED POINT VARIABLE BIT-RATE MELP VOCODER ON TMS320C549

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

Volumn 4, Issue , 1999, Pages 2295-2298

  Ertan, A E ^a   Aksu, E B ^a   Ilk, H G ^a   Karci, H ^a   Kaipat, O ^a   Kolcak T ^a   Sendur L ^a   Demirekler, M ^a   Cetin A E ^a  

^a MIDDLE EAST TECHNICAL UNIVERSITY   (Turkey)

Author keywords

[No Author keywords available]

Indexed keywords

VOCODERS;

BACKGROUND NOISE; BIT RATES; FEDERAL STANDARDS; FIXED POINTS; LINEAR PREDICTIVE CODING; POINT VARIABLES; SPEECH ACTIVITY; SUBBANDS; VARIABLE BIT RATE; VOICE-ACTIVITY DETECTOR;

SIGNAL ENCODING;

EID: 0004580195     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.1999.758396     Document Type: Conference Paper

References (12)

1. A. Gersho. Advances in speech coding and audio compression. Proceedings of IEEE, vol. 82, 1994.
2. A.S. Spanias. Speech coding: A tutorail review. Proceedings of IEEE, vol. 82, 1994.
3. W.B. Kleijn. Continuous representations in linear predictive coding. Proc. IEEE Int. Conf. Acoust. Speech Signal Process., pages 201-204, 1991.
4. Y. Shoham. High-quality speech coding at 2.4 to 4.0 kbps based on time-frequency interpolation. Proc. IEEE Int. Conf. Acoust. Speech Signal Process., pages II167-II170, 1993.
5. R.J. McAulay and T.F. Quatieri. Advances in Speech Processing, chapter Low Rate Speech Coding Based on Sinu-soidal Model. Marcel Dekker, 1991.
6. D.W. Griffin and J.S. Lim. Multiband excitation vocoder. IEEE Trans. Acoust., Speech, and Signal Process., vol. 36, pages 1223-1235, 1988.
7. L.M. Supplee, R.P. Conn, J.S. Collura, and A.V. McCree. Melp: The new federal standard at 2400 bps. Proc. IEEE Int. Conf. Acoust. Speech Signal Process., pages 1591-1594, 1997.
8. E.B. Aksu, A.E. Ertan, H.G. ilk, H. Karci, 6. Karpat, T. Kolfak, L. §endur, M. Demirekler and A.E. Cetin. Implementation of a variable bit-rate melp vocoder on TMS320C548. 2nd European DSP Education Conference, 1998. To be published.
9. A. Erdem Ertan. Spectrum non-stationarity detection algo-rithm based on line spectrum frequencies and related applications. Master's thesis, Bilkent University, 1998.
10. Y. Yatsuzuka. Highly sensitive speech detector and high-speed voiceband data discriminator in DSI-ADPCM sys-tems. IEEE Trans, on Communications, vol. 30, pages 739-750, 1982.
11. D.K. Freeman, G. Cosier, C.B. Southcott, and I. Boyd. The voice activity detector for the pan-european digital cellular mobile telephone service. Proc. IEEE Int. Conf. Acoust. Speech Signal Process., pages 369-372, 1989.
12. Engin Erzin. New Methods for Robust Speech Recognition. PhD thesis, Bilkent University, 1995.