{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11967304","patent":{"patent_number":"US-11967304","title":"Sound pick-up device, sound pick-up method and non-transitory computer-readable recording medium recording sound pick-up program","assignee":null,"inventors":[],"filing_date":"2022-06-22T00:00:00.000Z","publication_date":"2024-04-23T00:00:00.000Z","cpc_codes":["G10L","H04M","H04M","H04R","G10L","H04R"],"num_claims":9,"abstract":"A sound pick-up device includes an adaptive filter configured to generate, from a reference signal, an estimated noise signal indicating a component of a noise signal contained in an input signal, a noise elimination signal generator configured to generate a noise elimination signal by subtracting the estimated noise signal from the input signal, a filter coefficient update unit configured to update a filter coefficient of the adaptive filter using the noise elimination signal, and a sample position identification unit configured to identify at least one signal sample position among a plurality of signal sample positions from a signal sample position where the noise elimination signal has a maximum absolute value to a signal sample position where the noise elimination signal has an absolute value that is largest at a predetermined order, in which the filter coefficient update unit updates the filter coefficient at the at least one signal sample position."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Sound pick-up device, sound pick-up method and non-transitory computer-readable recording medium recording sound pick-up program","description":"A sound pick-up device includes an adaptive filter configured to generate, from a reference signal, an estimated noise signal indicating a component of a noise signal contained in an input signal, a n","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11967304","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-11967304","citation_suggestion":"Patentable. \"Sound pick-up device, sound pick-up method and non-transitory computer-readable recording medium recording sound pick-up program\" (US-11967304). https://patentable.app/patents/US-11967304","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11967304","json":"https://patentable.app/api/llm-context/US-11967304","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T15:07:27.837Z"}