Channel Issues & Questions

Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
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__5
Level 7

Re: no hdmi audio with amazon prime only

Removed.
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cjsolo2010
Level 7

Re: no hdmi audio with amazon prime only

It seems Amazon Prime only transmits audio in stereo - even when they tell you it's 5.1.  I have this problem with Amazon through my Roku, but not Netflix, et al.  In looking for the solution, I came across someone who is seeking answers for a direct connection to a smart tv (no Roku) and the answer from Amazon support was, "Our videos are only played in stereo mode."
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Googlre10
Level 7

Re: no hdmi audio with amazon prime only

Found the problem. Go to settings - >Audio -. >choose auto detect mode.

It worked for me.
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Scanners999
Level 7

Re: no hdmi audio with amazon prime only

I have the reverse issue. The Amazon content is 4K HDR 5.1, but I get no audio unless I manually set my Roku Ultra to Stereo!! Vudu works in 5.1,  so does Netflix, but not Amazon (ver 11.0 build 2019090617)

Roku Ultra (4660, 4661, 4662 series) 

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jeffrok
Level 12

Re: no hdmi audio with amazon prime only


@Scanners999 wrote:

I have the reverse issue. The Amazon content is 4K HDR 5.1, but I get no audio unless I manually set my Roku Ultra to Stereo!! Vudu works in 5.1,  so does Netflix, but not Amazon (ver 11.0 build 2019090617)

Roku Ultra (4660, 4661, 4662 series) 

 

What is your setup, in detail?


 

Yeah, I got some Rokus.
https://youtu.be/d1CSEeqWl10
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Scanners999
Level 7

Re: no hdmi audio with amazon prime only

I figured it out... Multiple layers of auto-detection appear not to work well. My Vizio TV's audio was set to autodetect too. Manually turned that to PCM and audio magically started working. Odd that it only impacted Prime Video and Netflix, VUDU, etc were OK. 

 

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