Earphone wind noise identification method and device

• Main Authors: LIU SONG, WANG JIUDONG
• Format: Patent
• Language: Chinese; English
• Published: 01.07.2022
• Subjects: ACOUSTICS; DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; MUSICAL INSTRUMENTS; PHYSICS; PUBLIC ADDRESS SYSTEMS; SPEECH ANALYSIS OR SYNTHESIS; SPEECH OR AUDIO CODING OR DECODING; SPEECH OR VOICE PROCESSING; SPEECH RECOGNITION

The invention discloses an earphone wind noise identification method and device. The earphone comprises a first microphone located outside the ear and a second microphone located inside the ear. The method comprises the following steps: acquiring a first microphone signal collected by the first microphone and a second microphone signal collected by the second microphone; acquiring a first frequency domain filtering signal based on the first microphone signal and the second microphone signal; and obtaining an earphone wind noise identification result based on the signal coherence degree of the first microphone signal and the first frequency domain filtering signal. According to the earphone wind noise identification method provided by the embodiment of the invention, wind noise identification is carried out by using the first microphone located outside the ear and the second microphone located inside the ear of the earphone, other microphones do not need to be additionally arranged, the hardware cost is reduce