<b>Chrome Version: <From about:version: Google Chrome x.x.x.x></b>
<b>Chrome OS Version: <From about:version: Platform x.x.x.x></b>
<b>Chrome OS Platform: <Make/model of computer running Chrome OS></b>
<b>Network info: <network, encryption type, router model (if known)></b>

Please specify Cr-* of the system to which this bug/feature applies (add
the label below).

Steps To Reproduce:
(1) play this video https://www.youtube.com/watch?v=YK3JDURjEUM&feature=youtu.be
(2) or play this stream https://www.twitch.tv/lagtvmaximusblack
(3)

Expected Result:
to listen to sound 
Actual Result:
no sound 
How frequently does this problem reproduce? (Always, sometimes, hard to
reproduce?) always 

What is the impact to the user, and is there a workaround? If so, what is
it? impact is bad, workaround use another browser (firefox works fine)

Please provide any additional information below. Attach a screen shot or
log if possible.

For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.