Speech enhancement
2016-08-23
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Speech enhancement as a major goal is to extract the pure original speech from noisy speech signal. However, due to interference are usually random, completely pure extract voice from noisy speech is almost impossible. In this case, speech enhancement has two main purposes: First, to improve voice quality, eliminating background noise, so that the listener willing to accept, do not feel tired, which is a subjective measure; the second is that this is an objective metrics. This serves two purposes often can not have both. There are some methods for low SNR noisy speech speech enhancement can significantly reduce background noise and improve voice quality, but it does not improve the intelligibility of speech, and even declined slightly.
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语音
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