{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9659575","patent":{"patent_number":"US-9659575","title":"Signal processor and method therefor","assignee":null,"inventors":[],"filing_date":"2013-11-20T00:00:00.000Z","publication_date":"2017-05-23T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L","G10L","G10L"],"num_claims":7,"abstract":"The signal processor suppresses noise components contained in input sound signals by iterative spectral subtraction. The processor derives coherence from first and second directional signals having directivity characteristics on the basis of a pair of input sound signals, and controls the times of iteration of spectral subtraction on the basis of the coherence, thereby suppressing the noise components contained in the input sound signals."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Signal processor and method therefor","description":"The signal processor suppresses noise components contained in input sound signals by iterative spectral subtraction. The processor derives coherence from first and second directional signals having di","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9659575","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-9659575","citation_suggestion":"Patentable. \"Signal processor and method therefor\" (US-9659575). https://patentable.app/patents/US-9659575","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9659575","json":"https://patentable.app/api/llm-context/US-9659575","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:09:26.481Z"}