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post #16 of 21 (permalink) Old 2016-05-09, 01:12 AM
Join Date: May 2016
Location: Montreal, Quebec
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Unhappy Illico 4K PVR Major audio issue

I have had a new Samsung 4K tv model 8500 for a month and as soon as I started to use it I had moderate to major audio lag where the audio is delayed slightly or a lot compared to the video. I have been through the wringer with Videotron support and they say I need to wait for a firmware update on the PVR with no idea if or when this will get resolved. Anyone else having audio issue or any solutions. I need help as this is driving me crazy when the audio gets way out of sync.

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post #17 of 21 (permalink) Old 2018-06-23, 10:43 AM
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Videotron's 4K terminals - how are they?

The 2 Videotron 4K terminals you can get right now are the Technicolor non-PVR, and the Samsung PVR. There used to be a Technicolor 4K PVR, but it was replaced by the Samsung. If you've used either of these, how was it? Slow, glitchy, noisy? Someone wrote in a forum on Videotron's website that the Samsung PVR is noisy - see here. Is it?

Last edited by Dr.Dave; 2018-06-23 at 11:02 AM. Reason: moved to existing thread
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post #18 of 21 (permalink) Old 2019-02-22, 06:31 PM
Join Date: Jan 2003
Location: montreal
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Last night I exchanged my Cisco 8642 HD PVR for a new Samsung 4K Ultra HD PVR 10455HD, which I connected to an 8 year old Sony Bravia 55" TV. At first the image appeared to be brighter but after a closer look at peoples faces, it looked like the people had makeup smeared across their faces because there was very little variation in colour and density in the skin tones. Today I called Videotron tech support and they confirmed that there were no configuration errors in my PVR setup. I asked if Samsung used a different algorithm to convert the compressed data stream arriving via coax into HDMI 1080i delivered to the TV, versus the similar method used by Cisco, and no opinion was offered. I was told to go find another household with the same Ultra HD terminal connected to a non Ultra HD TV and see if the quality was the same. The Samsung is definitely faster stopping the live action when I press the pause button, but I am not sure if the Samsung is giving me the same definition that the older Cisco gave. Unfortunately I returned the Cisco on the same day I picked up the Samsung, so I can’t do a side by side A-B test to compare image quality. One would expect that an Ultra HD terminal could do a better job of passing 1080i content through it compared to a non Ultra HD terminal.

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post #19 of 21 (permalink) Old 2019-02-22, 10:48 PM
Join Date: May 2002
Location: Toronto, Rogers, 9865 & 8300-eHDD, Sharp LC75N8000U, Denon AVR4310Ci; Sony KDL40W3000, 9865
Posts: 56,148
Each device is different when connected to a TV. Although many variations were eliminated with HDMI, there are still differences that require an optimization of the TV, input and device. See:

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post #20 of 21 (permalink) Old 2019-02-24, 03:04 PM
Join Date: Jan 2003
Location: montreal
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Thanks 57 for your suggestion. It has been 17 years since I tore into the service menu of a HDTV, at the time one of Sony's last 220 pound CRT chassis. On my current Sony 55" flatscreen, there is not a lot of tweaking that can be done via the user menu. What I plan on doing is recording a live show in HD (like the Oscar presentations) on my Ultra HD PVR and then bring the PVR to my neighbour's house to see if the image appears on his TV with the same compression issues.

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post #21 of 21 (permalink) Old 2019-03-06, 09:09 PM
Join Date: Jan 2003
Location: montreal
Posts: 321
I have to admit that my Videotron Samsung Ultra HD PVR is looking better now. Once a live transmission like the Oscar awards comes down the coax, the facial details and color tones definitely improve. I may also be benefiting because of a software update which may have taken many days to get downloaded into my factory fresh unit. No regrets switching from Cisco to Samsung.

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