{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8509451","patent":{"patent_number":"US-8509451","title":"Noise suppressing device, noise suppressing controller, noise suppressing method and recording medium","assignee":null,"inventors":[],"filing_date":"2010-06-18T00:00:00.000Z","publication_date":"2013-08-13T00:00:00.000Z","cpc_codes":["G10L"],"num_claims":22,"abstract":"A noise suppressing device includes: a suppressing unit for suppressing noise by subtracting a noise component derived on the basis of a plurality of sound signals output by a sound receiving unit from the sound signals; a variation deriving unit for deriving a degree of variation by numerically quantizing the variation on the basis of a spectrum obtained by converting the plurality of sound signals to components on a frequency axis; a determining unit for determining that wind noise is occurring due to wind blowing against the sound receiving units when the degree of variation is equal to or greater than a value; and an adjusting unit for adjusting an amount of suppression according to the decision of the determining unit; wherein the suppressing unit suppresses noise by subtracting the noise component from the sound signals based on the amount of suppression adjusted by the adjusting unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Noise suppressing device, noise suppressing controller, noise suppressing method and recording medium","description":"A noise suppressing device includes: a suppressing unit for suppressing noise by subtracting a noise component derived on the basis of a plurality of sound signals output by a sound receiving unit fro","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8509451","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-8509451","citation_suggestion":"Patentable. \"Noise suppressing device, noise suppressing controller, noise suppressing method and recording medium\" (US-8509451). https://patentable.app/patents/US-8509451","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8509451","json":"https://patentable.app/api/llm-context/US-8509451","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:55:42.311Z"}