asterisk users - Jan 2016 - warble or clicking sound with 11.20.0 with Console/dsp

I am running 11.20.0 (64 bit) as a user other than root
and using the Console/dsp port (soundcard) output and HDMI.

I am getting a warble or clicking noise on the audio.
I'm connected into the pulseaudio for the logged in user.
Pulseaudio works fine for everything else. Aplay is fine, totem is fine
with audio for a movie clip etc...

What can I do on asterisk to work better with pulse audio so no clicking ?

Thanks,

Jerry
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