C:\Program Files\sox-14-4-0>sox Sample.wav -n stat
上面的代码给出了以下结果
Samples read: 26640
Length (seconds): 3.330000
Scaled by: 2147483647.0
Maximum amplitude: 0.515625
Minimum amplitude: -0.734375
Midline amplitude: -0.109375
Mean norm: 0.058691
Mean amplitude: 0.000122
RMS amplitude: 0.101146
Maximum delta: 0.550781
Minimum delta: 0.000000
Mean delta: 0.021387
RMS delta: 0.041831
Rough frequency: 526
Volume adjustment: 1.362
现在我只需要平均幅度。怎么做?