{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10524051","patent":{"patent_number":"US-10524051","title":"Sound source direction estimation device, sound source direction estimation method, and recording medium therefor","assignee":null,"inventors":[],"filing_date":"2019-03-28T00:00:00.000Z","publication_date":"2019-12-31T00:00:00.000Z","cpc_codes":["H04R","G01S","G10L","G10L","H04R","G06N","G06N"],"num_claims":7,"abstract":"A sound source direction estimation device includes: a phase difference calculator which calculates, from an acoustic signal obtained by a microphone array, a first phase difference of a pair of microphone units; a similarity calculator which calculates similarities between the calculated first phase difference and second phase differences precalculated for directions and stored in a phase difference database; a peak searcher which searches for a direction for which a highest similarity is calculated by the similarity calculator, and estimates the direction searched out to be a sound source direction; a feature quantity calculator which uses the calculated similarities, the estimated sound source direction, and an acoustic feature quantity obtained from the obtained acoustic signal, to calculate a feature quantity obtained by correcting the acoustic feature quantity; and a speech/non-speech determiner which determines whether the obtained acoustic signal indicates speech, using the feature quantity calculated by the feature quantity calculator."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Sound source direction estimation device, sound source direction estimation method, and recording medium therefor","description":"A sound source direction estimation device includes: a phase difference calculator which calculates, from an acoustic signal obtained by a microphone array, a first phase difference of a pair of micro","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10524051","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-10524051","citation_suggestion":"Patentable. \"Sound source direction estimation device, sound source direction estimation method, and recording medium therefor\" (US-10524051). https://patentable.app/patents/US-10524051","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10524051","json":"https://patentable.app/api/llm-context/US-10524051","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T07:06:04.381Z"}