{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9609454","patent":{"patent_number":"US-9609454","title":"Method for playing back the sound of a digital audio signal","assignee":null,"inventors":[],"filing_date":"2014-04-09T00:00:00.000Z","publication_date":"2017-03-28T00:00:00.000Z","cpc_codes":["H04S","H04R","H04S","H04S","H04R","H04S","H04S","H04S","H04S","H04S","H04S"],"num_claims":2,"abstract":"A method for playing back the sound of a digital audio signal comprising an oversampling step consisting of producing, from a signal sampled at a frequency F, a signal sampled at a frequency N×F, where N corresponds to an integer greater than 1, then of applying convolution processing to a first digital file sampled at a frequency N×F corresponding to the acquisition of the soundscape of a reference sound space, a second digital file sampled at a frequency N×F corresponding to the acquisition of the noise footprint of a piece of reference playback equipment, a third digital file sampled at a frequency N×F corresponding to the acquisition of the noise footprint of an equalizer and a fourth file corresponding to said oversampled audio file, the resulting digital packets then undergoing digital conversion processing at a sampling frequency F/M corresponding to the working frequency of the listening equipment."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for playing back the sound of a digital audio signal","description":"A method for playing back the sound of a digital audio signal comprising an oversampling step consisting of producing, from a signal sampled at a frequency F, a signal sampled at a frequency N×F, wher","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9609454","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-9609454","citation_suggestion":"Patentable. \"Method for playing back the sound of a digital audio signal\" (US-9609454). https://patentable.app/patents/US-9609454","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9609454","json":"https://patentable.app/api/llm-context/US-9609454","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:22:01.939Z"}