Voice activity detection based on generalized gamma distribution

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

Volumn I, Issue , 2005, Pages

  Shin, Jong Won ^a   Chang, Joon Hyuk ^b   Yun, Hwan Sik ^a   Kim, Nam Soo ^a  

^a Seoul National University   (South Korea)

^b University of California   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; MATHEMATICAL MODELS; MAXIMUM LIKELIHOOD ESTIMATION; SPECTRUM ANALYSIS; SPEECH ANALYSIS; STATISTICAL METHODS;

GLOBAL SPEECH ABSENCE PROBABILITY (GSAP); LIKELIHOOD RATIO TEST (LRT); NOISE SPECTRA; VOICE ACTIVITY DETECTION (VAD);

SPEECH RECOGNITION;

EID: 33646810144     PISSN: 15206149     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICASSP.2005.1415230     Document Type: Conference Paper

References (9)

1. J. Sohn, N. S. Kim and W. Sung, "A statistical model-based voice activity detection," IEEE Signal Processing Letters, vol. 6, no. 1, pp. 1-3, Jan. 1999.
2. J. -H. Chang, J. W. Shin and N. S. Kim, "Likelihood ratio test with complex Laplacian model for voice activity detection," Proc. Eurospeech, pp. 1065-1068, Geneva, Switzerland, Aug. 2003.
3. S. Gazor and W. Zhang, "Speech probability distribution," IEEE Signal Processing Letters, vol. 10, no. 7, pp. 204-207, Jul. 2003.
4. R. Martin, "Speech enhancement using short time spectral estimation with Gamma distributed priors," Proc. IEEE Int. Conf. Acoustics, Speech, Signal Processing, vol. 1, pp. 1-253 -1-256, Orlando, FL, USA, May 2002.
5. J. W. Shin, J. -H. Chang and N. S. Kim, "Statistical modeling of speech signals based on generalized gamma distribution," to appear in IEEE Signal Processing Letters.
6. J. -H. Chang and N. S. Kim, "Speech enhancement: new approaches to soft decision," IEICE Trans on Syst. and Info., vol. E84-D, pp. 1231-1240, Sep. 2001.
7. Y. D. Cho, K. Al-Naimi and A. Kondoz, "Improved voice activity detection based on a smoothed statistical likelihood ratio," Proc. IEEE Int. Conf. Acoustics, Speech, and Signal Processing, vol. 2, pp. 7-11, Salt Lake City, Utah, USA, May 2001.
8. ITU-T, "A silence compression scheme for G.729 optimised for terminals conforming to ITU-T V.70," ITU-T Rec. G.729 Annex B, Nov. 1996.
9. ETSI, "Voice activity detector (VAD) for adaptive multi-rate (AMR) speech teaffic channels," ETSI EN 301 708 v7.1.1, Dec. 1999.