{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9653091","patent":{"patent_number":"US-9653091","title":"Echo suppression device and echo suppression method","assignee":null,"inventors":[],"filing_date":"2015-06-17T00:00:00.000Z","publication_date":"2017-05-16T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L"],"num_claims":15,"abstract":"An echo suppression device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute: generating a corrected sound signal by suppressing an echo signal representing an echo generated by collecting, by a sound input unit, a sound arising from a reproduction sound signal reproduced by a sound output unit; obtaining a gain to attenuate the corrected sound signal according to a degree of distortion of the echo signal with which intensity of the echo signal non-linearly changes with respect to an intensity change of the reproduction sound signal; and suppressing the corrected sound signal according to the gain."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Echo suppression device and echo suppression method","description":"An echo suppression device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute: generating a corrected sou","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9653091","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-9653091","citation_suggestion":"Patentable. \"Echo suppression device and echo suppression method\" (US-9653091). https://patentable.app/patents/US-9653091","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9653091","json":"https://patentable.app/api/llm-context/US-9653091","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:36:50.171Z"}