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Voice denoising method and device, storage medium, and mobile terminal

A voice noise reduction and voice technology, applied in voice analysis, instruments, etc., can solve problems such as poor call quality, poor noise reduction ability, and large voice signal noise, so as to eliminate distortion, solve large noise, and fast and high-precision noise reduction Effect

Inactive Publication Date: 2019-01-01
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the earphone generally picks up the sound through a single microphone, and the noise reduction ability is poor. When the user makes a call in a noisy public place such as a subway or a bus, the voice signal collected through the earphone microphone is noisy, and the collected voice signal cannot be analyzed. High-quality noise cancellation, poor call quality

Method used

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  • Voice denoising method and device, storage medium, and mobile terminal
  • Voice denoising method and device, storage medium, and mobile terminal
  • Voice denoising method and device, storage medium, and mobile terminal

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Embodiment Construction

[0024] The technical solution of the present application will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only some structures related to the present application are shown in the drawings but not all structures.

[0025] Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe the steps as sequential processing, many of the steps may be performed in parallel, concurrently, or simultaneously. Additionally, the order of steps may be rearranged. The process may be terminated when its operations are complete, but may also hav...

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Abstract

The embodiment of the invention discloses a voice noise reduction method and device, a storage medium, and a mobile terminal. The method includes the steps: receiving a voice signal collected by a single microphone of an earphone, extracting an initial amplitude spectrum and a phase spectrum of the voice signal, and transmitting the initial amplitude spectrum to a pre-trained noise reduction modelto obtain a first noise reduction amplitude spectrum, masking the first noise reduction amplitude spectrum, generating a second noise reduction amplitude spectrum, and recombining the second noise reduction amplitude spectrum and the phase spectrum to generate a first noise reduction speech. Through the above scheme, the method maintains the phase spectrum of the voice signal, and performs the noise reduction of the amplitude spectrum of the voice signal based on the noise reduction model, performs the masking of the processed first noise reduction amplitude spectrum, eliminates the distortion in the noise reduction process, solves a problem that the noise of the voice signal collected in a noisy environment is big, and achieves the quick and precise noise reduction of the voice signal collected by the earphone.

Description

technical field [0001] The embodiments of the present application relate to the technical field of voice processing, and in particular, to a voice noise reduction method, device, storage medium, and mobile terminal. Background technique [0002] With the rapid development of mobile terminals such as mobile phones, earphones have become an important part of mobile terminals such as mobile phones. Functions such as audio playback, voice instant messaging, and making and answering calls can be realized through earphones, and are accepted and used by more and more users. [0003] In the process of making a call, the voice signal is collected through the earphone microphone, the voice signal is sent to the mobile terminal, and the voice signal is sent to the other party's phone through the uplink channel. However, the earphone generally picks up the sound through a single microphone, and the noise reduction ability is poor. When the user makes a call in a noisy public place such ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L21/0324G10L21/0216G10L25/30
CPCG10L21/0216G10L21/0324G10L25/30
Inventor 陈岩
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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