Improved MO-LRT VAD based on bispectra Gaussian model

Electronics Letters

Volumn 41, Issue 15, 2005, Pages 877-879

  Gorriz J M ^a   Ramirez J ^a   Segura, J C ^a   Puntonet, C G ^b  

^a Periodista Daniel Saucedo Aranda   (Spain)

^b Campus Universitario Fuentenueva   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; APPROXIMATION THEORY; FOURIER TRANSFORMS; HEARING AIDS; MATHEMATICAL MODELS; MAXIMUM LIKELIHOOD ESTIMATION; VECTORS;

BISPECTRA GAUSSIAN MODEL; DIGITAL HEARING AIDS; LIKELIHOOD RATIO TEST (LRT); VOICE ACTIVITY DETECTION (VAD);

SPEECH RECOGNITION;

EID: 23344432506     PISSN: 00135194     EISSN: None     Source Type: Journal    
DOI: 10.1049/el:20051761     Document Type: Article

References (9)

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3. Ramírez, J., et al.: 'Statistical voice activity detection using a multiple observation likelihood ratio test', to appear in IEEE Signal Process. Lett., 2005
4. Subba-Rao, T., and Gabr, M.: 'An introduction to bispectral analysis and bilinear time series models' (Springer-Verlag, 1984)
5. ITU-T Recommendation G.729-Annex B, A silence compression scheme for G.729 optimized for terminals conforming to recommendation V.70, 1996
6. ETSI EN 301 708 Recommendation, Voice Activity Detector (VAD) for Adaptive Multi-Rate (AMR) Speech Traffic Channels, 1999
7. Woo, K., et al.: 'Robust voice activity detection algorithm for estimating noise spectrum', Electron. Lett., 2000, 36, (2), pp. 180-181
8. Li, Q., et al.: 'Robust endpoint detection and energy normalization for real-time speech and speaker recognition', IEEE Trans. Speech Audio Process., 2002, 10, (3), pp. 146-157
9. Marzinzik, M., and Kollmeier, B.: 'Speech pause detection for noise spectrum estimation by tracking power envelope dynamics', IEEE Trans. Speech Audio Process., 2002, 10, (2), pp. 109-118