{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9820043","patent":{"patent_number":"US-9820043","title":"Sound source detection apparatus, method for detecting sound source, and program","assignee":null,"inventors":[],"filing_date":"2017-02-13T00:00:00.000Z","publication_date":"2017-11-14T00:00:00.000Z","cpc_codes":["H04R","G10L","G10L","G10L","G10L","H04R"],"num_claims":10,"abstract":"A first correlation matrix, which corresponds to observed signals, is calculated, a non-scan range is specified, a second correlation matrix, which corresponds to an acoustic signal from a sound source within the non-scan range, is estimated, a third correlation matrix, which corresponds to a target sound source within a scan range, is calculated by removing the second correlation matrix from the first correlation matrix, and a first spatial spectrum, which is a localization result, is calculated from the third correlation matrix. In the estimation, the second correlation matrix is estimated from direction vectors calculated from a direction range of the non-scan range and a second spatial spectrum, which is a localization result calculated immediately before the first spatial spectrum is calculated."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Sound source detection apparatus, method for detecting sound source, and program","description":"A first correlation matrix, which corresponds to observed signals, is calculated, a non-scan range is specified, a second correlation matrix, which corresponds to an acoustic signal from a sound sourc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9820043","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-9820043","citation_suggestion":"Patentable. \"Sound source detection apparatus, method for detecting sound source, and program\" (US-9820043). https://patentable.app/patents/US-9820043","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9820043","json":"https://patentable.app/api/llm-context/US-9820043","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:20:40.309Z"}