{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9704505","patent":{"patent_number":"US-9704505","title":"Audio signal processing apparatus and method","assignee":null,"inventors":[],"filing_date":"2014-10-29T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L","G10L","G10L","H04S"],"num_claims":14,"abstract":"An audio separating apparatus obtains a matrix by performing time-frequency conversion on an input audio signal. The audio separating apparatus divides the obtained matrix into at least a basis matrix and an activity matrix, and classifies base spectra that configure the respective columns of the basis matrix into first base spectra corresponding to a target sound and second base spectra corresponding to a non-target sound."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Audio signal processing apparatus and method","description":"An audio separating apparatus obtains a matrix by performing time-frequency conversion on an input audio signal. The audio separating apparatus divides the obtained matrix into at least a basis matrix","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9704505","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-9704505","citation_suggestion":"Patentable. \"Audio signal processing apparatus and method\" (US-9704505). https://patentable.app/patents/US-9704505","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9704505","json":"https://patentable.app/api/llm-context/US-9704505","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T03:51:31.893Z"}