Merge commit '821620494f0f073a27124e96139d5320df79d7e4' * commit '821620494f0f073a27124e96139d5320df79d7e4': Fix issue 2139634: DTMF tones on Sholes popping, hissing (audio latency too high).
Merge commit '821620494f0f073a27124e96139d5320df79d7e4' * commit '821620494f0f073a27124e96139d5320df79d7e4': Fix issue 2139634: DTMF tones on Sholes popping, hissing (audio latency too high).