{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9711164","patent":{"patent_number":"US-9711164","title":"Noise cancellation method","assignee":null,"inventors":[],"filing_date":"2016-01-21T00:00:00.000Z","publication_date":"2017-07-18T00:00:00.000Z","cpc_codes":["G10L","H04R","G10L","H04R"],"num_claims":5,"abstract":"An embodiment of the invention provides a noise cancellation method for an electronic device. The method comprises: receiving an audio signal; applying a Fast Fourier Transform operation on the audio signal to generate a sound spectrum; acquiring a first spectrum corresponding to a noise and a second spectrum corresponding to a human voice signal from the sound spectrum; estimating a center frequency according to the first spectrum and the second spectrum; and applying a high pass filtering operation to the sound spectrum according to the center frequency."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Noise cancellation method","description":"An embodiment of the invention provides a noise cancellation method for an electronic device. The method comprises: receiving an audio signal; applying a Fast Fourier Transform operation on the audio ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9711164","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-9711164","citation_suggestion":"Patentable. \"Noise cancellation method\" (US-9711164). https://patentable.app/patents/US-9711164","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9711164","json":"https://patentable.app/api/llm-context/US-9711164","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:40:29.615Z"}