Audio signal transient noise suppression method and system as well as storage medium

An audio signal and noise suppression technology, which is applied in the field of audio signal processing, can solve problems affecting the call quality of the voice system, and achieve the effect of improving call quality and suppressing transient noise
CN110503973AActive Publication Date: 2019-11-26ZHEJIANG DAHUA TECH CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG DAHUA TECH CO LTD
Publication Date
2019-11-26

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Abstract

The invention provides an audio signal transient noise suppression method and system as well as a storage medium. The method comprises the following steps: preprocessing an audio signal, then calculating energy difference data of the audio signal on a time domain with the preprocessed audio signal, and calculating frequency spectrum difference data of the audio signal on a frequency domain; and judging whether transient noise exists in the audio signal or not according to the energy difference data and the frequency spectrum difference data, and suppressing the transient noise. Through adoption of the audio signal transient noise suppression method and system, the transient noise in the audio signal can be suppressed effectively, and the call quality of a voice system is improved.
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Description

technical field

[0001] The present invention relates to the technical field of audio signal processing, in particular to an audio signal transient noise suppression method, system and storage medium. Background technique

[0002] Speech is the main way of information exchange for human beings. However, there are various noises in our living environment. When we use communication equipment for voice communication, these noises will seriously affect the voice quality. In voice processing systems such as in-vehicle systems, conference calls, and multimedia conferences, the signal picked up by the microphone is usually a noisy voice signal due to factors such as reverberation, background noise, and interference. In this way, not only the intelligibility of speech is affected, but also the overall performance of the speech processing system is affected. Therefore, effective noise suppression is required to enhance the quality of the speech signal.

[0003] In order to ensure th...

Claims

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