{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9793868","patent":{"patent_number":"US-9793868","title":"Digital acoustic system","assignee":null,"inventors":[],"filing_date":"2014-04-24T00:00:00.000Z","publication_date":"2017-10-17T00:00:00.000Z","cpc_codes":["G06F","H04R","H04R","H04R","H04R","H04R","H04R","H04R"],"num_claims":1,"abstract":"Provided is a digital acoustic system comprising: a ΔΣ modulator that modulates a digital input signal and outputs a digital signal; a post-filter that is connected to the ΔΣ modulator and which performs mismatch shaping to convert the digital signal; a parallel-serial converter that converts the digital signal converted by the post-filter into a digital signal which is serially transmitted; a serial-parallel converter that restores the digital signal converted by the parallel-serial converter; and a drive circuit which receives the digital signal restored by the serial-parallel converter, and drives drive elements to convert the signal into an analog audio signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital acoustic system","description":"Provided is a digital acoustic system comprising: a ΔΣ modulator that modulates a digital input signal and outputs a digital signal; a post-filter that is connected to the ΔΣ modulator and which perfo","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9793868","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-9793868","citation_suggestion":"Patentable. \"Digital acoustic system\" (US-9793868). https://patentable.app/patents/US-9793868","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9793868","json":"https://patentable.app/api/llm-context/US-9793868","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:22:22.471Z"}