{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9686557","patent":{"patent_number":"US-9686557","title":"Quantizer parameter determination for video encoder rate control","assignee":null,"inventors":[],"filing_date":"2005-06-15T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":18,"abstract":"An apparatus and corresponding method are provided for encoding video signal data by applying an adaptive quantizer parameter responsive to bit-rate; where a video encoder for encoding video signal data for an image block relative to at least one reference picture includes an adaptive quantizer for applying an adaptive quantizer parameter responsive to a current bit-rate; and where a corresponding method includes initializing an adaptive quantizer, calculating the bits used by the video signal data with the adaptive quantizer, assigning bits to each of a plurality of picture types, calculating a difference in adaptive quantizer responsive to the assigned bits from the previous number of bits used by the group of pictures and obtaining an updated adaptive quantizer for the video signal data, calculating an adaptive quantizer for a portion of the video signal data, encoding the portion of the video signal data, and obtaining the actual number of bits used for the encoded portion of the video signal data."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Quantizer parameter determination for video encoder rate control","description":"An apparatus and corresponding method are provided for encoding video signal data by applying an adaptive quantizer parameter responsive to bit-rate; where a video encoder for encoding video signal da","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9686557","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-9686557","citation_suggestion":"Patentable. \"Quantizer parameter determination for video encoder rate control\" (US-9686557). https://patentable.app/patents/US-9686557","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9686557","json":"https://patentable.app/api/llm-context/US-9686557","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T18:29:13.460Z"}