{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8520143","patent":{"patent_number":"US-8520143","title":"Method and apparatus for measuring delay within a compressed digital stream","assignee":null,"inventors":[],"filing_date":"2010-10-27T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":13,"abstract":"There is provided a method of measuring delay variation between first and second elementary streams in a digital audiovisual data stream, comprising detecting and storing digital audiovisual data stream timestamp values, detecting and storing elementary stream timestamp values for the first and second elementary streams, interpolating the digital audiovisual data stream timestamp values and elementary stream timestamp values to form data sets having mutual sampling points, and subtracting the interpolated data set for the first elementary data stream from the interpolated data set for the second elementary data stream to form elementary stream difference values indicative of changes in delay over time between first and second elementary streams."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for measuring delay within a compressed digital stream","description":"There is provided a method of measuring delay variation between first and second elementary streams in a digital audiovisual data stream, comprising detecting and storing digital audiovisual data stre","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8520143","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-8520143","citation_suggestion":"Patentable. \"Method and apparatus for measuring delay within a compressed digital stream\" (US-8520143). https://patentable.app/patents/US-8520143","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8520143","json":"https://patentable.app/api/llm-context/US-8520143","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T11:37:43.294Z"}