Voice mode recognition circuit with built-in noise prevention circuit for multiple voice detection signals

• 1. Stereo / voice multiple broadcast display signal prevention circuit in video mode [P] . 韩国专利： KR960036574A . 1996-10-28

  机译： 视频模式下的立体声/语音多播显示信号防止电路

• 2. Full-duplex voice-controlled communications system - has voice direction recognition corrected according to noise level using digital circuit [P] . 德国专利： DE2651688A1 . 1978-05-24

  机译： 全双工语音控制通信系统-使用数字电路根据噪声水平校正了语音方向识别

• 3. A voice multiplexing recognition malfunction prevention circuit [P] . 韩国专利： KR980013332A . 1998-04-30

  机译： 语音多路复用识别故障预防电路

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