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Post by Percussionista on Dec 11, 2016 19:12:33 GMT -5
I'm pretty sure this was discussed in another thread but I've looked around and couldn't find it. The problem is possibly due to the Comcast DVR box, but I seem to remember that the OP of the thread I was looking for had done enough testing to determine that it looked like the UMC-200 was having the problem rather than his TV service provider (not Comcast).
In my case, we are watching TV that has been pre-recorded on the DVR. Every so often, and also pretty much always between each commercial, the sound suddenly disappears for a few seconds (the picture keeps running), the UMC-200 displays the "change" of audio input quality/type, and then the audio returns. It might burble like this several times in a short while.
We've tried "rewinding" to before the latest burble and lo and behold no burble happens. Well, further down the line it does, but it does appear that the burble is not actually in the recording - so it's either being manhandled by the DVR streaming to the UMC-200, or the UMC-200 is losing HDMI connection temporarily on its own. I've also tried completely turning off the UMC-200 and restarting, no change. I haven't done the same for the Comcast DVR, but obviously should try that too.
It's been a while since we actually watched a blu-ray movie at home so I can't say yet if this happens then. If it doesn't then that would seem to point the finger at the Comcast hardware. However if we get it during a movie that would point the finger at the UMC-200 (or the Oppo coincidentally would have to have the same streaming HDMI problem as Comcast).
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Post by Loop 7 on Dec 11, 2016 23:07:14 GMT -5
I recall it happening when I was using a Comcast box. Is it one of the newer X-1 boxes?
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Post by Percussionista on Dec 11, 2016 23:24:21 GMT -5
Yes it is one of the new X1 boxes. I also tried a new HDMI cable, hi-end through-put eventually for 4K, and it made no difference, so it is definitely one of the two boxes or their interaction.
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Post by Percussionista on Dec 11, 2016 23:52:31 GMT -5
Ooh, more data! After we finished watching (on the DVR) we let it run on regular cable ("live") and there were no glitches of any kind, through commercials, etc. So... looks like the DVR is not a perfect streamer of HDMI.
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Post by Loop 7 on Dec 12, 2016 0:00:03 GMT -5
Ooh, more data! After we finished watching (on the DVR) we let it run on regular cable ("live") and there were no glitches of any kind, through commercials, etc. So... looks like the DVR is not a perfect streamer of HDMI. Interesting. I migrated away from a leased DVR from Comcast and went to a cheaper option which is not necessarily recommended if domestic ease-of-use is priotity 1. HDHomeRun Prime Cable Card Tuner Channels app for Apple TV (live TV and pausing) PLEX DVR / PLEX app |
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Post by Gary Cook on Dec 12, 2016 14:25:14 GMT -5
It sounds like HDMI/HDCP handshaking delay, which is almost always the cable/satellite box. With the old (~5 years) cable box I used to get it when changing, say, from a Dolby D movie to a stereo ad, not every time, so I believe it depends on how the source programmer handles the switch and/or perhaps how fast and when they switch. The new cable box (~1 Year) has a much faster processor so it handles the switching no matter how screwed up the source is.
Cheers
Gary
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Post by Percussionista on Dec 12, 2016 15:29:05 GMT -5
It sounds like HDMI/HDCP handshaking delay, which is almost always the cable/satellite box. With the old (~5 years) cable box I used to get it when changing, say, from a Dolby D movie to a stereo ad, not every time, so I believe it depends on how the source programmer handles the switch and/or perhaps how fast and when they switch. The new cable box (~1 Year) has a much faster processor so it handles the switching no matter how screwed up the source is. Well that would explain the problems between commercials but not in the middle of a program. However my last post nails it down further - it seems to happen only when watching from the DVR, which is 99% what we do. When watching "live" I noticed no glitching whatsoever, between commercials etc. So, it appears to be related to how the DVR streams its content. I was wondering if it was a buffering problem, but don't know if there are any user (or Comcast) adjustable settings to test this out by increasing output buffer sizes. |
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Post by Cory Cooper on Dec 12, 2016 16:31:12 GMT -5
Hello,
I get random audio dropouts as well with my X1 DVR. I notice it most when using XFINITY On Demand. I have heard a few on DVR recordings, and even fewer with live cable - mostly live sports (not sure whether that may be language picked up from the field...hee hee). I haven't tried listening for it directly through the TV speakers, but definitely through the XMC-1.
Will update if I have additional info/troubleshooting ideas.
C
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jenix
Minor Hero
Posts: 42
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Post by jenix on Dec 12, 2016 17:02:17 GMT -5
Hello, I get random audio dropouts as well with my X1 DVR. I notice it most when using XFINITY On Demand. I have heard a few on DVR recordings, and even fewer with live cable - mostly live sports (not sure whether that may be language picked up from the field...hee hee). I haven't tried listening for it directly through the TV speakers, but definitely through the XMC-1. Will update if I have additional info/troubleshooting ideas. C Cory, The first version of the X1 DVR from PACE (green power light) had terrible audio dropout issues. The new versions from Arris and Samsung (blue lights) were greatly improved. HOWEVER, in reading the X1 forums there are still reports of audio dropouts: silence for 1-2 seconds, on all platforms. I have the Arris X1 connected to my XMC and don't have many of these dropout issues any more. Check your box type, it is probably an X1 issue rather than anything in the XMC. Good luck! |
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Post by knucklehead on Dec 12, 2016 18:07:44 GMT -5
I had this same problem with a UMC-200 and a few other preamp processors - and a few AVR's too. My main source for tv is a standard HD satellite receiver. Changing the audio formats in the sat receiver to stereo cleared up 90% or more of the dropouts. I have zero problems with the current AVR. I've never used a DVR but I imagine there is a setting similar to my sat box to switch audio modes.
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Post by Cory Cooper on Dec 14, 2016 6:04:28 GMT -5
Cory, The first version of the X1 DVR from PACE (green power light) had terrible audio dropout issues. The new versions from Arris and Samsung (blue lights) were greatly improved. HOWEVER, in reading the X1 forums there are still reports of audio dropouts: silence for 1-2 seconds, on all platforms. I have the Arris X1 connected to my XMC and don't have many of these dropout issues any more. Check your box type, it is probably an X1 issue rather than anything in the XMC. Good luck! Thanks for the info. Mine is an Arris X1 DVR with the blue power light. I don't get the dropouts that often, more random than anything. It doesn't happen when switching channels, or in/out of commercials. It is pretty much isolated to On Demand content, when it switches from the ads to the content, but not always. Hope that helps the OP. C |
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Post by siggie on Dec 14, 2016 9:12:31 GMT -5
For what it's worth, my Sherbourn receiver, which has essentially the UMC-1 (predecessor to the UMC 200) built in, loses audio, sometimes just to the center speaker, when I try to watch shows from my Motorola DVR. Since it is the only circumstance when I lose audio it seems that it is a glitch with the DVR.
siggie
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Post by erikfed on Feb 23, 2017 21:46:02 GMT -5
I know exactly what is causing this because it happens to me as well. I posted on another thread about it (can't find it now). An Emotiva tech responded and explained what the cause is. Basically as follows...Most cable or sat providers output their audio in Dolby Digital. Most of the programming is setup to be broadcast this way as well. The issue occurs though when a commercial starts playing that wasn't encoded with Dolby Digital. When the UMC 200 receives this new audio format there is a break in the audio while the UMC switches to the commercial's audio format (usually stereo). The workaround to this is to change the audio output of your cable box to Stereo and set the UMC to always decode Stereo to NEO:6C (you can also use DolbyEX but I prefer the NEO:6C personally). This way the audio format being sent from the cable to the UMC is always Stereo resulting in no breaks in audio between formats. I know, I wasn't that happy with the answer either but hey, first world problems.
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Post by kenzingy on Dec 12, 2022 13:18:18 GMT -5
Hi Newb here and not sure if this is the place to comment...with that said... I bought a UMC-200 from a guy who had it since new.... then it sat in his garage for several years... I now have it and besides the remote being DOA, I originally was using the Opt1 with my Samsung TV, Of course the whole issue is 'the single remote control' conundrum.
Then I switched to the ARC Hdmi and YESSSS!! I had volume and mute control on my Samsung remote. So Close yet snap crackle pop every time a Youtube video ends. Also it seems to cut off a few milliseconds of the beginning and end of the song aka file or whatever it is. So annoying I can't live with it. Seller is fine taking the unit back, if the remote worked I could use it in another room as a music only system.
So my question is...will the firmware update do anything? I read somewhere about issues in general with HDMI switching. It also glitches when selecting inputs. Even when disconnected from the HDMI... though have to retest disconnecting the Opt1 so there is no digital connected.... Any advise or opinions will be highly regarded. BTW I am a 2 channel stereo type so alot of the UMC-200 is overkill....
I have a Parasound P5, an Adcom GTP-750 but both were difficult to integrate due to the Single Remote issue....I don't see any HDMI possibilities with any other Emotiva gear The NAD C389 maybe the rabbit hole I go down....Thanks
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pauli
Seeker Of Truth
Posts: 7 
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Post by pauli on Dec 12, 2022 14:19:50 GMT -5
So Close yet snap crackle pop every time a Youtube video ends. Also it seems to cut off a few milliseconds of the beginning and end of the song aka file or whatever it is. So annoying I can't live with it. Seller is fine taking the unit back, if the remote worked I could use it in another room as a music only system.
So my question is...will the firmware update do anything? I read somewhere about issues in general with HDMI switching. It also glitches when selecting inputs. Even when disconnected from the HDMI... though have to retest disconnecting the Opt1 so there is no digital connected.... Any advise or opinions will be highly regarded. My UMC-200 is fully upgraded. The issue with cutting off the first few seconds is discussed in the post just above yours. Its the time it takes the UMC-200 to switch audio formats. I am unsure of the cause of the snap crackle pop. I do not believe the firmware update will fix either of these two issues. |
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Post by kenzingy on Dec 12, 2022 16:19:46 GMT -5
Thanks there is obviously more to it. I just disconnected the Opt and the HDMI leaving 2 CD players connected in analog and still pops when cycling through inputs. "Emotiva, Con te partirò"
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Post by 405x5 on Dec 14, 2022 8:49:29 GMT -5
So Close yet snap crackle pop every time a Youtube video ends. Also it seems to cut off a few milliseconds of the beginning and end of the song aka file or whatever it is. So annoying I can't live with it. Seller is fine taking the unit back, if the remote worked I could use it in another room as a music only system.
So my question is...will the firmware update do anything? I read somewhere about issues in general with HDMI switching. It also glitches when selecting inputs. Even when disconnected from the HDMI... though have to retest disconnecting the Opt1 so there is no digital connected.... Any advise or opinions will be highly regarded. My UMC-200 is fully upgraded. The issue with cutting off the first few seconds is discussed in the post just above yours. Its the time it takes the UMC-200 to switch audio formats. I am unsure of the cause of the snap crackle pop. I do not believe the firmware update will fix either of these two issues. The issue of the first second or so of audio cutoffs sadly followed the XMC1 in its 2014 introduction, with subsequent firmware updates ultimately solving (for the most part) the issue when playing CD’s via HDMI. That being said, if you have a functioning UMC with no issues you’re fortunate…..if it’s got problems in 2022, you’re pretty much out of luck. |
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