A NEW ALGORITHM FOR VOICE ACTIVITY DETECTION BASED ON WAVELET PACKETS (RESEARCH NOTE)

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KARAMI MOLAEI M.R.; ESHAGHI M.

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Paper Information

Journal: International Journal of Engineering Year:2009 | Volume:22 | Issue:(3 TRANSACTIONS A: BASIC) Page(s): 225-232

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Title

A NEW ALGORITHM FOR VOICE ACTIVITY DETECTION BASED ON WAVELET PACKETS (RESEARCH NOTE)

Author(s)

KARAMI MOLAEI M.R. | ESHAGHI M. | Issue Writer Certificate

Keywords

SPEECH PROCESSING

VOICE ACTIVITY DETECTOR

WAVELET PACKET TRANSFORM (WPT)

Abstract

Speech constitutes much of the communicated information; most other perceived audio signals do not carry nearly as much information. Indeed, much of the non-speech signals maybe classified as ‘noise’ in human communication. The process of separating conversational speech and noise is termed voice activity detection (VAD). This paper describes a new approach to VAD which is based on the Wavelet Packet Transform (WPT). Our algorithm utilizes the differences between spectral distribution of human speech (voice) and general noise. First, the algorithm performs wavelet transform on the signal resulting in its decomposition into subbands using coefficients of WPT, and then it detects the voice within the signal by comparing the subband energy of components between detail and approximation coefficients. Computer simulation results are given to illustrate the effectiveness of our new VAD algorithms.

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APA: Copy

KARAMI MOLAEI, M.R., & ESHAGHI, M.. (2009). A NEW ALGORITHM FOR VOICE ACTIVITY DETECTION BASED ON WAVELET PACKETS (RESEARCH NOTE). INTERNATIONAL JOURNAL OF ENGINEERING, 22((3 TRANSACTIONS A: BASIC)), 225-232. SID. https://sid.ir/paper/562309/en

Vancouver: Copy

KARAMI MOLAEI M.R., ESHAGHI M.. A NEW ALGORITHM FOR VOICE ACTIVITY DETECTION BASED ON WAVELET PACKETS (RESEARCH NOTE). INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2009;22((3 TRANSACTIONS A: BASIC)):225-232. Available from: https://sid.ir/paper/562309/en

IEEE: Copy

M.R. KARAMI MOLAEI, and M. ESHAGHI, “A NEW ALGORITHM FOR VOICE ACTIVITY DETECTION BASED ON WAVELET PACKETS (RESEARCH NOTE),” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 22, no. (3 TRANSACTIONS A: BASIC), pp. 225–232, 2009, [Online]. Available: https://sid.ir/paper/562309/en

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