{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9666203","patent":{"patent_number":"US-9666203","title":"Device and method for calculating loudspeaker signals for a plurality of loudspeakers while using a delay in the frequency domain","assignee":null,"inventors":[],"filing_date":"2014-07-11T00:00:00.000Z","publication_date":"2017-05-30T00:00:00.000Z","cpc_codes":["G10L","H04R","H04R","H04R","H04S","H04S"],"num_claims":26,"abstract":"A device for calculating loudspeaker signals using a plurality of audio sources, an audio source including an audio signal, includes a forward transform stage for transforming each audio signal to a spectral domain to obtain a plurality of temporally consecutive short-term spectra, a memory for storing a plurality of temporally consecutive short-term spectra for each audio signal, a memory access controller for accessing a specific short-term spectrum for a combination consisting of a loudspeaker and an audio signal based on a delay value, a filter stage for filtering the specific short-term spectrum by using a filter, so that a filtered short-term spectrum is obtained for each audio signal and loudspeaker combination, a summing stage for summing up the filtered short-term spectra for a loudspeaker to obtain summed-up short-term spectra, and a backtransform stage for backtransforming summed-up short-term spectra for the loudspeakers to a time domain to obtain the loudspeaker signals."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Device and method for calculating loudspeaker signals for a plurality of loudspeakers while using a delay in the frequency domain","description":"A device for calculating loudspeaker signals using a plurality of audio sources, an audio source including an audio signal, includes a forward transform stage for transforming each audio signal to a s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9666203","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-9666203","citation_suggestion":"Patentable. \"Device and method for calculating loudspeaker signals for a plurality of loudspeakers while using a delay in the frequency domain\" (US-9666203). https://patentable.app/patents/US-9666203","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9666203","json":"https://patentable.app/api/llm-context/US-9666203","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:18:13.657Z"}