{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11508351","patent":{"patent_number":"US-11508351","title":"Multi-task deep network for echo path delay estimation and echo cancellation","assignee":null,"inventors":[],"filing_date":"2021-03-01T00:00:00.000Z","publication_date":"2022-11-22T00:00:00.000Z","cpc_codes":["G06N","G06N","G06N","G10L","G10L"],"num_claims":20,"abstract":"A method of echo path delay destination and echo cancellation is described in this disclosure. The method includes: obtaining a reference signal, a microphone signal, and a trained multi-task deep neural network, wherein the multi-task deep neural network comprises a first neural network and a second neural network; generating, using the first neural network of the multi-task deep neural network, an estimated echo path delay based on the reference signal and the microphone signal; updating the reference signal based on the estimated echo path delay; and generating, using the second neural network of the multi-task deep neural network, an enhanced microphone signal based on the microphone signal and the updated reference signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Multi-task deep network for echo path delay estimation and echo cancellation","description":"A method of echo path delay destination and echo cancellation is described in this disclosure. The method includes: obtaining a reference signal, a microphone signal, and a trained multi-task deep neu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11508351","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-11508351","citation_suggestion":"Patentable. \"Multi-task deep network for echo path delay estimation and echo cancellation\" (US-11508351). https://patentable.app/patents/US-11508351","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11508351","json":"https://patentable.app/api/llm-context/US-11508351","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:28:43.201Z"}