{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8463607","patent":{"patent_number":"US-8463607","title":"Noise detection apparatus, noise removal apparatus, and noise detection method","assignee":null,"inventors":[],"filing_date":"2009-11-25T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["G10L","G10L"],"num_claims":9,"abstract":"A noise detection apparatus includes a time-frequency transform unit configured to transform an input signal from a time domain to a frequency domain to produce a spectrum, a power spectrum calculating unit configured to obtain powers of frequencies from the spectrum, a peak stationarity detecting unit configured to use peaks of the powers of frequencies in each frame to detect frequencies at which a stationary peak of the powers exists, a power stationarity detecting unit configured to use magnitudes of the powers of frequencies in each frame to detect frequencies at which the magnitudes of the powers are stationary, and a check unit configured to use the frequencies detected by the peak stationarity detecting unit and the frequencies detected by the power stationarity detecting unit to check whether there is a noise that has at least one of peak stationarity and power stationarity in the frequency domain."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Noise detection apparatus, noise removal apparatus, and noise detection method","description":"A noise detection apparatus includes a time-frequency transform unit configured to transform an input signal from a time domain to a frequency domain to produce a spectrum, a power spectrum calculatin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8463607","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-8463607","citation_suggestion":"Patentable. \"Noise detection apparatus, noise removal apparatus, and noise detection method\" (US-8463607). https://patentable.app/patents/US-8463607","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8463607","json":"https://patentable.app/api/llm-context/US-8463607","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:06:18.681Z"}