{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9728200","patent":{"patent_number":"US-9728200","title":"Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding","assignee":null,"inventors":[],"filing_date":"2013-09-13T00:00:00.000Z","publication_date":"2017-08-08T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L","G10L","G10L","G10L","G10L"],"num_claims":99,"abstract":"A method of processing an audio signal includes determining an average signal-to-noise ratio for the audio signal over time. The method includes, based on the determined average signal-to-noise ratio, a formant-sharpening factor is determined. The method also includes applying a filter that is based on the determined formant-sharpening factor to a codebook vector that is based on information from the audio signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding","description":"A method of processing an audio signal includes determining an average signal-to-noise ratio for the audio signal over time. The method includes, based on the determined average signal-to-noise ratio,","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9728200","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-9728200","citation_suggestion":"Patentable. \"Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding\" (US-9728200). https://patentable.app/patents/US-9728200","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9728200","json":"https://patentable.app/api/llm-context/US-9728200","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:17:42.497Z"}