发明名称 Audio analysis of voice communications over data networks to prevent unauthorized usage
摘要 An audio data security method and apparatus of the present invention verifies a subject audio communication stream. Verification is by a valid audio encoding detection module, a human speech frequency detection module, a human speech pattern detection module, a music frequency detection module, a human speech prosody detection module, a white noise detection module, and an environmental noise detection module.
申请公布号 US2006111912(A1) 申请公布日期 2006.05.25
申请号 US20040993453 申请日期 2004.11.19
申请人 CHRISTIAN ANDREW D;AVERY BRIAN L 发明人 CHRISTIAN ANDREW D.;AVERY BRIAN L.
分类号 G10L11/00 主分类号 G10L11/00
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