{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9697848","patent":{"patent_number":"US-9697848","title":"Noise suppression device and method of noise suppression","assignee":null,"inventors":[],"filing_date":"2016-04-26T00:00:00.000Z","publication_date":"2017-07-04T00:00:00.000Z","cpc_codes":["G10L","G10L","G10L"],"num_claims":18,"abstract":"A noise suppression device includes a memory, and a processor coupled to the memory and configured to generate a first input signal and a second input signal by converting a first sound signal and a second sound signal from time domain to frequency domain, the first sound signal and the second sound signal being collected by a first microphone and a second microphone, respectively, based on the first input signal and the second input signal, determine a stationary noise model, calculate a signal to noise ratio (SNR) based on the first input signal and the stationary noise model, based on the SNR ratio, set a range of phase difference to suppress the first input signal, calculate a phase difference between the first input signal and the second input signal, and when the phase difference is within the range of phase difference, suppress the first input signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Noise suppression device and method of noise suppression","description":"A noise suppression device includes a memory, and a processor coupled to the memory and configured to generate a first input signal and a second input signal by converting a first sound signal and a s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9697848","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-9697848","citation_suggestion":"Patentable. \"Noise suppression device and method of noise suppression\" (US-9697848). https://patentable.app/patents/US-9697848","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9697848","json":"https://patentable.app/api/llm-context/US-9697848","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T17:28:47.164Z"}