Audio signal processing method, electronic equipment and storage medium

An audio signal processing and audio signal technology, which is applied in speech analysis, instruments, etc., can solve problems such as self-cancellation of speech, and achieve the effect of preventing audio self-cancellation and enhancing audio effects

Pending Publication Date: 2022-03-11
AISPEECH CO LTD
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Problems solved by technology

[0003] MVDR and other algorithms that use SVD (Singular Value Decomposition, Singular Value Decomposition) method to find the steering vector exist. Because the SVD method itself does not distinguish the direction of the vector in the mathematical category, the obtained audio phase will be opposite to the actual phase, resulting in voice Self-contained situation

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  • Audio signal processing method, electronic equipment and storage medium
  • Audio signal processing method, electronic equipment and storage medium
  • Audio signal processing method, electronic equipment and storage medium

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Embodiment Construction

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0021] Please refer to figure 1 , which shows a flowchart of an embodiment of the audio signal processing method of the present application.

[0022] like figure 1 As shown, in step 101, the SVD result of the data matrix corresponding to the audio signal is calculated using the SVD method;

[0023] In step 102, the sign of the SVD result is det...

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Abstract

The invention discloses an audio signal processing method, electronic equipment and a storage medium, and the audio signal processing method comprises the steps: calculating an SVD result of a data matrix corresponding to an audio signal through employing an SVD method; determining a symbol of the SVD result in combination with vector direction characteristics of the data matrix; and outputting the SVD result after symbol determination to carry out audio signal processing. The symbol of the SVD result is determined by combining the vector direction characteristics of the data matrix, and then the SVD result after the symbol is determined is output for audio signal processing, so that a correct result can be obtained in the singular vector direction, the audio effect can be correctly enhanced, and audio self-cancellation is prevented.

Description

technical field [0001] The invention belongs to the technical field of audio signal processing, and in particular relates to an audio signal processing method, electronic equipment and a storage medium. Background technique [0002] MVDR (minimum variance distortionless response, minimum variance distortionless response) is an adaptive beamforming algorithm based on the maximum signal-to-interference-noise ratio (SINR) criterion. The MVDR algorithm can adaptively make the output power of the array in the desired direction the smallest while the signal-to-interference-noise ratio is the largest. [0003] MVDR and other algorithms that use the SVD (Singular Value Decomposition) method to find the steering vector exist. Because the SVD method itself does not distinguish the direction of the vector in the mathematical category, the obtained audio phase will be opposite to the actual phase, resulting in voice The situation of self-elimination. Contents of the invention [000...

Claims

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Application Information

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IPC IPC(8): G10L21/0216G10L21/0232
CPCG10L21/0216G10L21/0232G10L2021/02166
Inventor 李晓
Owner AISPEECH CO LTD
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