Title:
DUTY-CYCLE SIGNAL PROCESSING CIRCUIT AND METHOD, AND AUDIO SIGNAL PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/082559
Kind Code:
A1
Abstract:
Disclosed in the present application are a duty-cycle signal processing circuit and method, and an audio signal processing device. The duty-cycle signal processing circuit comprises: an amplitude measurement device and an operation unit, wherein the amplitude measurement device is used for measuring a first amplitude of an audio signal, generating a second amplitude, and sending the second amplitude to the operation unit; and the operation unit is used for acquiring a power source voltage, and performing operation processing on the second amplitude and the power source voltage to obtain a duty-cycle control signal, which matches at least one parameter, i.e. at least one of the second amplitude and the power source voltage. The present application can improve the conversion efficiency of a corresponding power amplifier unit.
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Inventors:
CHENG LI (CN)
YING HAO (CN)
WANG TAOTAO (CN)
ZHANG QIFAN (CN)
ZHANG HAIJUN (CN)
YING HAO (CN)
WANG TAOTAO (CN)
ZHANG QIFAN (CN)
ZHANG HAIJUN (CN)
Application Number:
PCT/CN2023/085444
Publication Date:
April 25, 2024
Filing Date:
March 31, 2023
Export Citation:
Assignee:
SHANGHAI AWINIC TECH CO LTD (CN)
International Classes:
H03F1/02; H03F1/32; H03F3/187; H03F3/217
Attorney, Agent or Firm:
BEIJING HEADSTAY INTELLECTUAL PROPERTY AGENCY (CN)
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