Earphone wind noise identification method and device and earphone

The invention discloses an earphone wind noise identification method and device and an earphone. The earphone comprises a feed-forward microphone located outside the ear and a feedback microphone located inside the ear. The method comprises the following steps: acquiring a feed-forward microphone si...

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Bibliographic Details
Main Authors LIU SONG, WANG JIUDONG
Format Patent
LanguageChinese
English
Published 01.07.2022
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary:The invention discloses an earphone wind noise identification method and device and an earphone. The earphone comprises a feed-forward microphone located outside the ear and a feedback microphone located inside the ear. The method comprises the following steps: acquiring a feed-forward microphone signal collected by the feed-forward microphone and a feedback microphone signal collected by the feedback microphone; fourier transform is carried out on the feedforward microphone signal and the feedback microphone signal to obtain a feedforward microphone frequency domain signal and a feedback microphone frequency domain signal; performing inverse feedback filtering processing on the feedback microphone frequency domain signal to obtain an inverse feedback filtering processing result; performing inverse feedforward filtering processing on the feedforward microphone frequency domain signal and the inverse feedback filtering processing result to obtain an inverse hybrid filtering processing result; and obtaining an
Bibliography:Application Number: CN202011559834