{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8502921","patent":{"patent_number":"US-8502921","title":"Digital broadcast receiver and digital broadcast reception method","assignee":null,"inventors":[],"filing_date":"2009-01-15T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":14,"abstract":"The digital broadcast receiver according to the present invention includes: a signal separating section that separates a main audio signal and a video signal from a decoded digital broadcast signal, and when the decoded digital broadcast signal includes the sub-audio signal, further separates the sub-audio signal; an audio generating section that decodes the main audio signal to generate a decoded main audio signal, and decodes the sub-audio signal, when it has been further separated, to generate a decoded sub-audio signal; a video generating section that decodes the video signal to generate a decoded video signal; a detecting section that detects an input to the audio generating section of the separated sub-audio signal; and a control section that, when the detecting section has detected an input of the sub-audio, controls the video generating section to further generate a sub-audio image signal to display a sub-audio image indicating the presence of sub-audio."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital broadcast receiver and digital broadcast reception method","description":"The digital broadcast receiver according to the present invention includes: a signal separating section that separates a main audio signal and a video signal from a decoded digital broadcast signal, a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8502921","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-8502921","citation_suggestion":"Patentable. \"Digital broadcast receiver and digital broadcast reception method\" (US-8502921). https://patentable.app/patents/US-8502921","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8502921","json":"https://patentable.app/api/llm-context/US-8502921","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T10:38:49.757Z"}