{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9613626","patent":{"patent_number":"US-9613626","title":"Audio device for recognizing key phrases and method thereof","assignee":null,"inventors":[],"filing_date":"2015-11-30T00:00:00.000Z","publication_date":"2017-04-04T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L","G10L","G10L"],"num_claims":18,"abstract":"An audio device and a method thereof are provided. The method is adopted by an audio device to detect a voice, wherein the audio device is coupled to a host device. The method includes an acoustic conversion circuit converting an acoustic wave into an analog audio signal; an analog-to-digital converter (ADC) converting the analog audio signal into digital audio data; a first-level voice detection circuit detecting voice activity in the analog audio signal; a second-level voice detection circuit detecting a beginning syllable of a key phrase in the digital audio data when the voice activity is detected in the digital audio data; and a third-level voice detection circuit detecting the key phrase from the digital audio data only when the beginning syllable of the key phrase is detected in the digital audio data."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Audio device for recognizing key phrases and method thereof","description":"An audio device and a method thereof are provided. The method is adopted by an audio device to detect a voice, wherein the audio device is coupled to a host device. The method includes an acoustic con","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9613626","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-9613626","citation_suggestion":"Patentable. \"Audio device for recognizing key phrases and method thereof\" (US-9613626). https://patentable.app/patents/US-9613626","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9613626","json":"https://patentable.app/api/llm-context/US-9613626","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:55:52.676Z"}