{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9805731","patent":{"patent_number":"US-9805731","title":"Audio bandwidth extension by insertion of temporal pre-shaped noise in frequency domain","assignee":null,"inventors":[],"filing_date":"2016-04-22T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L","G10L","G10L","G10L"],"num_claims":24,"abstract":"An audio decoder device for decoding a bitstream includes a bitstream receiver configured to receive the bitstream and to derive an encoded audio signal from the bitstream; a core decoder module configured for deriving a decoded audio signal in a time domain from the encoded audio signal; a temporal envelope generator configured to determine a temporal envelope of the decoded audio signal; a bandwidth extension module configured to produce a frequency domain bandwidth extension signal; a time-to-frequency converter configured to transform the decoded audio signal into a frequency domain decoded audio signal; a combiner configured to combine the frequency domain decoded audio signal and the frequency domain bandwidth extension signal in order to produce a bandwidth extended frequency domain audio signal; and a frequency-to-time converter configured to transform the bandwidth extended frequency domain audio signal into a bandwidth-extended time domain audio signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Audio bandwidth extension by insertion of temporal pre-shaped noise in frequency domain","description":"An audio decoder device for decoding a bitstream includes a bitstream receiver configured to receive the bitstream and to derive an encoded audio signal from the bitstream; a core decoder module confi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9805731","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-9805731","citation_suggestion":"Patentable. \"Audio bandwidth extension by insertion of temporal pre-shaped noise in frequency domain\" (US-9805731). https://patentable.app/patents/US-9805731","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9805731","json":"https://patentable.app/api/llm-context/US-9805731","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:41:25.684Z"}