tree 98af3b02645c24d30af10ab2f7210534982856f8
parent 8e4d2d0317d0ddf376e010b1eb975bb9d3868317
author keunyoung <keunyoung@google.com> 1368817807 -0700
committer keunyoung <keunyoung@google.com> 1368817807 -0700

improve audio calibration

- make each round longer so that pause comes less often
- pause in every several seconds to pause in a few dozens of seconds
  (actual amount of pause can be different depending on env)

Change-Id: I34647a69606e62f1aabb49c541e7ddd0333b5426