{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9754597","patent":{"patent_number":"US-9754597","title":"Alias-free subband processing","assignee":null,"inventors":[],"filing_date":"2016-11-03T00:00:00.000Z","publication_date":"2017-09-05T00:00:00.000Z","cpc_codes":["G10L","G10L","H04S"],"num_claims":20,"abstract":"A digital signal is processed by splitting it into at least two frequency subbands and the two subband signals are downsampled. A filter is applied in at least one of the subband signals. At least one of the phase and magnitude of the subband filtered signals is matched in the transition frequency band between the two subbands."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Alias-free subband processing","description":"A digital signal is processed by splitting it into at least two frequency subbands and the two subband signals are downsampled. A filter is applied in at least one of the subband signals. At least one","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9754597","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-9754597","citation_suggestion":"Patentable. \"Alias-free subband processing\" (US-9754597). https://patentable.app/patents/US-9754597","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9754597","json":"https://patentable.app/api/llm-context/US-9754597","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T03:49:51.240Z"}