{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8494190","patent":{"patent_number":"US-8494190","title":"Audio signal processing apparatus and audio signal processing method","assignee":null,"inventors":[],"filing_date":"2011-05-19T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["H04S"],"num_claims":5,"abstract":"An audio signal processing apparatus includes: a test signal supply unit to supply a test signal to each speaker of a multi-channel speaker including a center speaker and others; a speaker angle calculation unit to calculate an installation angle of each speaker with an orientation of a microphone as a reference, based on test audio output from each speaker and collected by the microphone; a speaker angle determination unit to determine an installation angle of each speaker with a direction of the center speaker from the microphone as a reference, based on the installation angle of the center speaker and the installation angles of the other speakers with the orientation of the microphone as a reference; and a signal processing unit to perform correction processing on an audio signal based on the installation angles of the speakers with the direction of the center speaker from the microphone as a reference."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Audio signal processing apparatus and audio signal processing method","description":"An audio signal processing apparatus includes: a test signal supply unit to supply a test signal to each speaker of a multi-channel speaker including a center speaker and others; a speaker angle calcu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8494190","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-8494190","citation_suggestion":"Patentable. \"Audio signal processing apparatus and audio signal processing method\" (US-8494190). https://patentable.app/patents/US-8494190","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8494190","json":"https://patentable.app/api/llm-context/US-8494190","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:44:38.947Z"}