{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11233896","patent":{"patent_number":"US-11233896","title":"Systems and methods for detecting inmate to inmate conference calls","assignee":null,"inventors":[],"filing_date":"2020-08-10T00:00:00.000Z","publication_date":"2022-01-25T00:00:00.000Z","cpc_codes":["H04M","G10L","G10L","G10L","G10L","H04M","H04M","H04M","H04M","H04M","H04M"],"num_claims":17,"abstract":"A system for detecting inmate to inmate conference calls in a correctional facility is disclosed herein. The system includes a database and a conference call detection server, wherein the conference call detection server is configured to monitor a plurality of inmate communications, convert an audio signal of each inmate communication to a frequency domain signal, identify frequency data comprising one or more frequency peaks and corresponding frequency values in the frequency domain signal for each inmate communication, generate a record comprising the frequency data for each inmate communication, resulting in a plurality of records, store the plurality of records in the database, detect an inmate to inmate conference call by matching a frequency subset of a new inmate communication with frequency data in a detected record in the database, and verify the inmate to inmate conference call by matching audio with voice biometric samples."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems and methods for detecting inmate to inmate conference calls","description":"A system for detecting inmate to inmate conference calls in a correctional facility is disclosed herein. The system includes a database and a conference call detection server, wherein the conference c","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11233896","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-11233896","citation_suggestion":"Patentable. \"Systems and methods for detecting inmate to inmate conference calls\" (US-11233896). https://patentable.app/patents/US-11233896","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11233896","json":"https://patentable.app/api/llm-context/US-11233896","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T09:17:58.437Z"}