{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9712127","patent":{"patent_number":"US-9712127","title":"Intelligent method and apparatus for spectral expansion of an input signal","assignee":null,"inventors":[],"filing_date":"2012-07-02T00:00:00.000Z","publication_date":"2017-07-18T00:00:00.000Z","cpc_codes":["H04R","H04S"],"num_claims":6,"abstract":"A method, and a corresponding apparatus, for processing an input signal comprise filtering the input signal to separate a passband frequency component of the input signal from a stopband frequency component of the input signal, and adjusting relative signal power values of the passband frequency component and the stopband frequency component of the input signal based at least in part on signal values of a number of samples associated with the input signal. In the case of audio signals, for example, such processing is used for spectral expansion of the input signal by enhancing the power of the stopband, or low and high frequencies, component with respect to the power of the passband component of the input signal. As a result, a better audio quality is achieved."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Intelligent method and apparatus for spectral expansion of an input signal","description":"A method, and a corresponding apparatus, for processing an input signal comprise filtering the input signal to separate a passband frequency component of the input signal from a stopband frequency com","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9712127","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-9712127","citation_suggestion":"Patentable. \"Intelligent method and apparatus for spectral expansion of an input signal\" (US-9712127). https://patentable.app/patents/US-9712127","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9712127","json":"https://patentable.app/api/llm-context/US-9712127","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:34:56.762Z"}