{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9703524","patent":{"patent_number":"US-9703524","title":"Privacy protection in collective feedforward","assignee":null,"inventors":[],"filing_date":"2016-01-15T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["G06F","H04R","H04W","H04W","G10L","H04L","H04L","H04R","H04R","H04W"],"num_claims":22,"abstract":"Personal audio systems and methods are disclosed. A personal audio system includes a processor to generate a personal audio stream by processing an ambient audio stream in accordance with an active processing parameter set, a circular buffer memory to store a most recent snippet of the ambient audio stream, and an event detector to detect a trigger event. In response to detection of the trigger event, a controller may extract audio feature data from the most recent snippet of the ambient audio stream and transmit the audio feature data and associated metadata to a knowledgebase remote from the personal audio system."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Privacy protection in collective feedforward","description":"Personal audio systems and methods are disclosed. A personal audio system includes a processor to generate a personal audio stream by processing an ambient audio stream in accordance with an active pr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9703524","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-9703524","citation_suggestion":"Patentable. \"Privacy protection in collective feedforward\" (US-9703524). https://patentable.app/patents/US-9703524","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9703524","json":"https://patentable.app/api/llm-context/US-9703524","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:30:58.132Z"}