{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11302298","patent":{"patent_number":"US-11302298","title":"Signal processing method and device for earphone, and earphone","assignee":null,"inventors":[],"filing_date":"2021-02-19T00:00:00.000Z","publication_date":"2022-04-12T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R"],"num_claims":17,"abstract":"A signal processing method for an earphone includes: a motion state of a wearer of the earphone is detected by using an acceleration sensor arranged inside the earphone; a first microphone and a second microphone both arranged outside the earphone detect wind noise conditions corresponding to different frequency bands; and according to the motion state of the wearer of the earphone and the wind noise conditions corresponding to different frequency bands, operating modes of a feedforward filter and a feedback filter inside the earphone are adjusted, herein the feedforward filter and the feedback filter are configured for active noise cancellation of the earphone."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Signal processing method and device for earphone, and earphone","description":"A signal processing method for an earphone includes: a motion state of a wearer of the earphone is detected by using an acceleration sensor arranged inside the earphone; a first microphone and a secon","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11302298","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11302298","citation_suggestion":"Patentable. \"Signal processing method and device for earphone, and earphone\" (US-11302298). https://patentable.app/patents/US-11302298","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11302298","json":"https://patentable.app/api/llm-context/US-11302298","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:29:39.304Z"}