Speech enhancement algorithm based on minimum ener
2016-08-23
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Application background
Speech is an important carrier of human information communication, but in many voice communication systems will inevitably be subject to noise, including noise and communication transmission equipment internal power noise. Severe noise interference can greatly reduce the intelligibility and intelligibility of speech, resulting in the decline of the quality of communication. Speech enhancement is an important technology in speech processing, its main purpose is from the noisy speech extract pure speech, provided high signal-to-noise ratio, and is a kind of speech signal to noise and interference of effective means to reduce the. Speech enhancement algorithm based on short time spectrum estimation is a common method in speech enhancement. The key point is the estimation of the background noise power spectrum. The existing methods are not good. The subject of this thesis is to find a more effective method of speech denoising based on the analysisc
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