{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11477569","patent":{"patent_number":"US-11477569","title":"Apparatus and method for obtaining directional audio signals","assignee":null,"inventors":[],"filing_date":"2021-03-18T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["H04R","G06F","H04R","H04R","H04R","H04R"],"num_claims":20,"abstract":"A method of obtaining a directional microphone signal, the method comprising: receiving first and second microphone signals from first and second microphones separated by a distance; obtaining a combined microphone signal based on one or more of the first and second microphone signals; obtaining a difference microphone signal by subtracting the second microphone signal from the first microphone signal; obtaining a transformed combined microphone signal by applying a Hilbert transform to the combined microphone signal; combining the transformed combined microphone signal with the difference microphone signal to obtain the directional microphone signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus and method for obtaining directional audio signals","description":"A method of obtaining a directional microphone signal, the method comprising: receiving first and second microphone signals from first and second microphones separated by a distance; obtaining a combi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11477569","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-11477569","citation_suggestion":"Patentable. \"Apparatus and method for obtaining directional audio signals\" (US-11477569). https://patentable.app/patents/US-11477569","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11477569","json":"https://patentable.app/api/llm-context/US-11477569","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T14:09:23.915Z"}