{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11528558","patent":{"patent_number":"US-11528558","title":"Method and an audio processing unit for detecting a tone","assignee":null,"inventors":[],"filing_date":"2021-02-11T00:00:00.000Z","publication_date":"2022-12-13T00:00:00.000Z","cpc_codes":["H04R","G10L","H04R","H04R","G10L","G10L","H04R","H04R","H04R"],"num_claims":19,"abstract":"A method for detecting a prominent tone of an input audio includes establishing a first analysis audio signal based on the input audio signal, establishing a second analysis audio signal based on the input audio signal, wherein an analysis audio signal of the first analysis audio signal and the second analysis audio signal is established by applying an analysis audio filter to the input audio signal, comparing the first analysis audio signal and the second analysis audio signal to obtain an energy level contrast, and determining a representation of the prominent tone by converting the energy level contrast by a contrast-to-frequency mapping function."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and an audio processing unit for detecting a tone","description":"A method for detecting a prominent tone of an input audio includes establishing a first analysis audio signal based on the input audio signal, establishing a second analysis audio signal based on the ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11528558","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-11528558","citation_suggestion":"Patentable. \"Method and an audio processing unit for detecting a tone\" (US-11528558). https://patentable.app/patents/US-11528558","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11528558","json":"https://patentable.app/api/llm-context/US-11528558","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T11:40:49.563Z"}