{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9679576","patent":{"patent_number":"US-9679576","title":"Speech audio encoding device, speech audio decoding device, speech audio encoding method, and speech audio decoding method","assignee":null,"inventors":[],"filing_date":"2013-11-01T00:00:00.000Z","publication_date":"2017-06-13T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L","G10L","G10L","G10L","G10L"],"num_claims":12,"abstract":"A speech/audio coding apparatus and method is provided. The number of encoding bits allocated to encoding of extended-band spectrum is reduced while degradation of sound quality in the extended band is suppressed. A band compression unit creates combinations of sub-band spectra in pairs of two samples each in order from a low-range side in a band compression target sub-band, selects a spectrum having a large absolute-value amplitude among the combinations, and arranges the selected spectrum close to the low-range side on a frequency axis. A number-of-units recalculation unit redistributes bits saved in the sub-band for which band compression was performed to a low range outside the extended band, and redistributes the number of units on the basis of the redistributed bits."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Speech audio encoding device, speech audio decoding device, speech audio encoding method, and speech audio decoding method","description":"A speech/audio coding apparatus and method is provided. The number of encoding bits allocated to encoding of extended-band spectrum is reduced while degradation of sound quality in the extended band i","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9679576","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-9679576","citation_suggestion":"Patentable. \"Speech audio encoding device, speech audio decoding device, speech audio encoding method, and speech audio decoding method\" (US-9679576). https://patentable.app/patents/US-9679576","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9679576","json":"https://patentable.app/api/llm-context/US-9679576","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:36:12.123Z"}