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Title:
AUDIO PROCESSING METHOD AND APPARATUS, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/161475
Kind Code:
A1
Abstract:
Disclosed in the present application are an audio processing method and apparatus, and an electronic device. The method comprises: performing resolution increase processing on a first audio signal to obtain a second audio signal; performing low-pass filtering processing on the second audio signal to obtain a processed second audio signal; performing signal processing on the processed second audio signal to obtain Y first sub-band signals having the same bandwidth; according to the low-frequency sub-band signals among the Y first sub-band signals, generating M high-frequency sub-band signals; on the basis of the high-frequency characteristic information of the first audio signal, performing spectrum adjustment on the M high-frequency sub-band signals to obtain M target high-frequency sub-band signals; and synthesizing the M target high-frequency sub-band signals to obtain a target audio signal; wherein Y and M are positive integers.

Inventors:
ZHANG, Yong (CN)
Application Number:
PCT/CN2022/074795
Publication Date:
August 04, 2022
Filing Date:
January 28, 2022
Export Citation:
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Assignee:
VIVO MOBILE COMMUNICATION CO., LTD. (CN)
International Classes:
G10L19/00; G10L25/18; G10L25/30
Attorney, Agent or Firm:
BOHUI INTELLECTUAL PROPERTY (CN)
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