@echo off
echo "doing wav"
FOR /L %%A IN (1,1,3) DO (
  timerr %1 -i sintel.wav -y out.wav 2>&1 | grep took
)

echo "doing mp3"
FOR /L %%A IN (1,1,3) DO (
  timerr %1 -i sintel.wav -t 1:00 -y out.mp3 2>&1 | grep took
)