wav-to-duration scp:train_wav.scp ark,t:train_dur.ark 

LOG (wav-to-duration:main():wav-to-duration.cc:68) Printed duration for 3696 audio files.

LOG (wav-to-duration:main():wav-to-duration.cc:70) Mean duration was 3.06336, min and max durations were 0.91525, 7.78881

awk: line 12: function gensub never defined


解决：


$ sudo ln -s /usr/bin/make  /usr/bin/gmake
$ sudo apt-get install gawk