Marco d5b3f29f3c Adjust variance threshold based on source noise level.
For non-rd variance partition: Adjust variance threhsold based
on noise level estimate. This change allows the adjustment to be
updated more frequently.

Change-Id: Ie2abf63bf3f1ee54d0bc4ff497298801fdb92b0d
2015-12-04 14:43:39 -08:00
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