audio-frequency variation factor

例句：

1. 1.The audio-frequency variation factor is acrucial factor in determining the quality of sound.
   音频频率变化因子是决定声音质量的关键因素。
2. 2. The audio-frequency variation factor canaffect the clarity and sharpness of speech.
   音频频率变化因子会影响语音的清晰度和尖锐度。
3. 3. The audio-frequency variation factoris used to measure the variability of audiosignals.
   音频频率变化因子用于测量音频信号的变异性。