{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9813830","patent":{"patent_number":"US-9813830","title":"Automated equalization of microphones","assignee":null,"inventors":[],"filing_date":"2014-06-03T00:00:00.000Z","publication_date":"2017-11-07T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R"],"num_claims":27,"abstract":"An automated microphone calibration starts with reference microphone calibration. Measurements are scaled to sound pressure levels (SPLs). The reference microphone is positioned close to the internal microphones and their frequency responses are measured. Then delta calculation is done in selected sub-bands including reference microphone correction and then a correction filter is defined."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Automated equalization of microphones","description":"An automated microphone calibration starts with reference microphone calibration. Measurements are scaled to sound pressure levels (SPLs). The reference microphone is positioned close to the internal ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9813830","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-9813830","citation_suggestion":"Patentable. \"Automated equalization of microphones\" (US-9813830). https://patentable.app/patents/US-9813830","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9813830","json":"https://patentable.app/api/llm-context/US-9813830","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:18:08.683Z"}