competition update

language_model/tools/wav_to_duration.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+# split the wav scp, calculate duration and merge
+nj=4
+. tools/parse_options.sh || exit 1;
+
+inscp=$1
+outscp=$2
+data=$(dirname ${inscp})
+if [ $# -eq 3 ]; then
+  logdir=$3
+else
+  logdir=${data}/log
+fi
+mkdir -p ${logdir}
+
+rm -f $logdir/wav_*.slice
+rm -f $logdir/wav_*.shape
+split --additional-suffix .slice -d -n l/$nj $inscp $logdir/wav_
+
+for slice in `ls $logdir/wav_*.slice`; do
+{
+    name=`basename -s .slice $slice`
+    tools/wav2dur.py $slice $logdir/$name.shape 1>$logdir/$name.log
+} &
+done
+wait
+cat $logdir/wav_*.shape > $outscp