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Sound issue with Xfi 4k dvr
This thread has 8 replies. Displaying all posts.
Post 1 made on Monday December 6, 2021 at 09:56
tobe
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Appreciate any info on this in my home system. I recently changed out my Xfinity cable box for their 4k dvr version. Nothing else in the system changed (Denon AVR, older Bose 5.1 - sorry about that.)
Now, for the first time, many cable channels have almost no center channel sound. There is a tiny low level signal there, but everything else comes through the front sides, making dialog weird at best.
I haven't worked out yet if it is channel or perhaps show specific. This happens with both the Auto detect and Expert audio settings on the dvr... on those occasions, I have to go in and select the Stereo setting instead to get reasonable audio.
Streaming sources through Apple TV are not affected.
Is this a known thing? Am I doing something dumb? Is there a fix?
Grateful for any advice from the pros.
Post 2 made on Monday December 6, 2021 at 12:23
tomciara
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Did you power cycle it?
There is no truth anymore. Only assertions. The internet world has no interest in truth, only vindication for preconceived assumptions.
OP | Post 3 made on Monday December 6, 2021 at 18:28
tobe
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I will try that specifically next time I see the problem and report back. Thank you.
Post 4 made on Monday December 6, 2021 at 20:20
Ernie Gilman
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That's always the correct first thing to do.

Actually, maybe that should be the second thing. The first would be to carefully adjust things to see what works right and what doesn't.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
OP | Post 5 made on Monday December 6, 2021 at 21:15
tobe
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A power cycle during a problem program didn’t change anything.
Post 6 made on Monday December 6, 2021 at 22:02
tomciara
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When I have that symptom in a client’s home, the center channel speaker has come disconnected.
There is no truth anymore. Only assertions. The internet world has no interest in truth, only vindication for preconceived assumptions.
Post 7 made on Tuesday December 7, 2021 at 14:33
Ernie Gilman
Yes, That Ernie!
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Tom's right, and the Denon ought to have the ability through the setup menu to switch each speaker on and off. While this is good for setting levels, it's even better for telling you if the center has become disconnected!

And that same setup menu will let you define your system as having no center speaker... so check that, too.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
OP | Post 8 made on Tuesday December 7, 2021 at 16:54
tobe
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Appreciate both of your help. I have checked the connection and the AVR speaker settings, and they are OK. That's why the center channel audio is fine on all streaming sources and most cable programs.
On the few where it cuts out, it is still present, but at a level you can only hear it a couple of inches from the speaker, and the center channel - often dialog - signal is weirdly redirected to the front L and R. If I record a program on the DVR with the issue, it remains a problem each time I play that recording. And, finally, there is no obvious pattern to where the problem will arise... e.g. I watch Dr Who on BBC America and had the problem on one episode, then not on the next.
I will shout if I find a solution.
Post 9 made on Tuesday December 7, 2021 at 18:21
tomciara
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Make sure secondary audio is turned off in cable box. Sometimes called SAP.
There is no truth anymore. Only assertions. The internet world has no interest in truth, only vindication for preconceived assumptions.


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