{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8493244","patent":{"patent_number":"US-8493244","title":"Vector quantization device, vector inverse-quantization device, and methods of same","assignee":null,"inventors":[],"filing_date":"2010-02-12T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L","G10L","G10L"],"num_claims":7,"abstract":"An LSP vector quantization device able to improve the precision of quantization in vector quantization where a codebook for first stage vector quantization is switched according to the type of a feature that has a correlation with the quantization target vector. In this device, a classifier (101) selects, from a plurality of code vectors for classifying, the code vector for classifying that indicates the type of the feature that has a correlation with the quantization target vector; a switch (102) selects, from among a plurality of first codebooks, the first codebook corresponding to the abovementioned type; an error minimizing unit (105) selects, from the plurality of first code vectors constituting the selected first codebook, the first code vector closest to the quantization target vector; a matrix determining unit (106) selects, from a plurality of matrices, the matrix corresponding to the abovementioned type; and the error minimizing unit (105) uses the selected matrix to select, from a plurality of second code vectors, the one that is closest to the residual vector between the selected first code vector and the quantization target vector."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Vector quantization device, vector inverse-quantization device, and methods of same","description":"An LSP vector quantization device able to improve the precision of quantization in vector quantization where a codebook for first stage vector quantization is switched according to the type of a featu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8493244","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-8493244","citation_suggestion":"Patentable. \"Vector quantization device, vector inverse-quantization device, and methods of same\" (US-8493244). https://patentable.app/patents/US-8493244","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8493244","json":"https://patentable.app/api/llm-context/US-8493244","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:17:55.172Z"}