{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11276414","patent":{"patent_number":"US-11276414","title":"Method and device for processing audio signal using audio filter having non-linear characteristics to prevent receipt of echo signal","assignee":null,"inventors":[],"filing_date":"2018-08-30T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["G10L","H04M","G10L","G10L","G10L","G10L"],"num_claims":20,"abstract":"An electronic device includes an audio input module, an audio output module, and a processor. The processor is configured to provide a first signal and a second signal into which a first audio signal is processed, output the first audio signal through the audio output module, acquire an external audio signal comprising the first audio signal of the electronic device, acquire a first output value through a first input channel of an audio filter, acquire a second output value through a second input channel of the audio filter, and provide a second audio signal, based at least on a first difference value between the magnitude value corresponding to the first frequency of the external audio signal and the first output value and a second difference value between the magnitude value corresponding to the second frequency of the external audio signal and the second output value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and device for processing audio signal using audio filter having non-linear characteristics to prevent receipt of echo signal","description":"An electronic device includes an audio input module, an audio output module, and a processor. The processor is configured to provide a first signal and a second signal into which a first audio signal ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11276414","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-11276414","citation_suggestion":"Patentable. \"Method and device for processing audio signal using audio filter having non-linear characteristics to prevent receipt of echo signal\" (US-11276414). https://patentable.app/patents/US-11276414","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11276414","json":"https://patentable.app/api/llm-context/US-11276414","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T12:21:00.230Z"}