{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10511905","patent":{"patent_number":"US-10511905","title":"Method and system for dynamically enhancing low frequency based on equal-loudness contour","assignee":null,"inventors":[],"filing_date":"2017-07-11T00:00:00.000Z","publication_date":"2019-12-17T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R"],"num_claims":12,"abstract":"A method comprises: collecting an input audio signal; performing frequency-division processing on the input audio signal, extracting a high-frequency signal and a low-frequency signal to transmit respectively, and reserving one path of original audio signal; performing dynamic gain processing on the low-frequency signal adopting an Automatic Gain Control (AGC) algorithm, and performing low-pass filtering enhancement processing on the original audio signal adopting a static low-frequency enhancement algorithm; and subjecting the high-frequency signal, the processed low-frequency signal and the processed original audio signal to weighted summation to obtain a final output audio signal, the weight coefficients of the high frequency signal, the processed low-frequency signal and the processed original audio signal being a, b and c respectively, where the values of a, b and c range from 0 to 1, and a+b+c=1."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and system for dynamically enhancing low frequency based on equal-loudness contour","description":"A method comprises: collecting an input audio signal; performing frequency-division processing on the input audio signal, extracting a high-frequency signal and a low-frequency signal to transmit resp","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10511905","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-10511905","citation_suggestion":"Patentable. \"Method and system for dynamically enhancing low frequency based on equal-loudness contour\" (US-10511905). https://patentable.app/patents/US-10511905","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10511905","json":"https://patentable.app/api/llm-context/US-10511905","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:00:39.907Z"}