-info=`sox /dev/shm/tmp.wav -n stat 2>&1 | sed -e 's/(.*)//' -e 's/: */=/' -e 's/ */_/g' | tr '\n' ',' | sed 's/,$//'`
+info=`sox /dev/shm/tmp.wav -n stat 2>&1 | grep '[0-9][0-9][0-9]*$' | sed -e 's/[()]//g' -e 's/: */=/' -e 's/ */_/g' | tr '\n' ',' | sed 's/[, ]*$//'`