发明名称 Speech distribution system
摘要 A method of distributing speech which includes the steps of, at a given location, receiving an audio signal, extracting from the audio signal a signal representing speech originating from or near the location, and distributing an electric signal which is mixed with the extracted speech signal via an audio system to be played over at least one loudspeaker.
申请公布号 US2003040910(A1) 申请公布日期 2003.02.27
申请号 US20020149362 申请日期 2002.08.28
申请人 BRUWER FREDERICK J. 发明人 BRUWER FREDERICK J.
分类号 H04R27/00;(IPC1-7):G10L13/06 主分类号 H04R27/00
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