{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11984132","patent":{"patent_number":"US-11984132","title":"Noise suppression device, noise suppression method, and storage medium storing noise suppression program","assignee":null,"inventors":[],"filing_date":"2022-03-15T00:00:00.000Z","publication_date":"2024-05-14T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L","G10L","H04R","H04R","H04R","H04S","G10L","H04R","H04R","H04S","H04S"],"num_claims":7,"abstract":"A noise suppression device transforms observation signals to spectral components of multiple channels, calculates an arrival time difference, calculates weight coefficients based on the arrival time difference, estimates whether each of the spectral components of the plurality of frames is a spectral component of target sound or not, estimates a weighted S/N ratio of each of the spectral components of the plurality of frames based on the result of the estimation and the weight coefficients, calculates gains of the spectral components of the plurality of frames by using the weighted S/N ratios, outputs spectral components of an output signal by suppressing spectral components of observation signals of sounds other than the target sound in the spectral components of the plurality of frames by using the gains, and transforms the spectral components of the output signal to an output signal in a time domain."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Noise suppression device, noise suppression method, and storage medium storing noise suppression program","description":"A noise suppression device transforms observation signals to spectral components of multiple channels, calculates an arrival time difference, calculates weight coefficients based on the arrival time d","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11984132","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-11984132","citation_suggestion":"Patentable. \"Noise suppression device, noise suppression method, and storage medium storing noise suppression program\" (US-11984132). https://patentable.app/patents/US-11984132","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11984132","json":"https://patentable.app/api/llm-context/US-11984132","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:18:02.452Z"}