双音多频信号  DTMF

双音多频信号传输  DTMF transmission

超声多普勒音频信号  Doppler ultrasound signals

音频多普勒信号  Audio Doppler signal

声音信号音频信号  acoustic wave filter; acknowledge signal

特殊信号音信号  Special-Information Tone Signal SSI

多频信号  reverberation; Multi-freqency signal; multiple frequency signal; multifrequency signal; multi-frequency signal; Multi frequency signals

多频信号检波器  MSD

离散多信号音调制  DMT

伪随机多频信号  pseudo-random multi-frequency signal

单音频信号  tone bursts

光电式音频信号发生器  photo-audio generator

环绕声音频信号  superscalar architecture

轮胎音频信号  tire audio signals

视/音频信号传输  audio and video signal transmission

视音频信号  video and audio signal

数字音频信号  digital audio signal

数字音频信号编解码器CS4218  CS4218

数字音频信号处理  digital audio signal processing