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#1 | |
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Join Date: Mar 2004
Location: Montreal
Posts: 63
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Over the past few months Videotron's increased compression of digital channels has caused a very noticable deterioration in picture quality. All SD channels have visible pixellation, and some are exceptionally bad. A well-informed observer of Videotron's practices (Kaphyr, http://illico2.tripod.com/) has on his web site estimated image resolution and channels per QAM. They are compressed well over the normally accepted limit, and HD channels are also affected.
To minimize complaints, channels with the fewest viewers get squeezed the most. The result - local CBC, CTV and Global channels are even worse than the French networks. For local channels it's easy to see just how bad they are - compare any one to the off air signal from an antenna. The broadcast image is much sharper, and diagonal edges are smooth instead of stair-stepped. We pay a lot of money to Videotron, who certainly aren't providing anything near the "DVD quality" they advertise. A big retail store would never attempt such behavior, yet Videotron management hopes we won't notice. Many of us have also paid a lot of money to enjoy high definition TV, but they assume we will happily accept a watered-down version. If we don't start complaining now, it will only get worse. They are supposed to be upgrading their bandwidth capacity, but even when that happens, a dismal standard for picture quality will already be set. I have seen on this forum that complaints to the CRTC can get results. They may not regulate picture quality or false advertising, but if the CRTC receives enough complaints they might think about it. Another organization, the Cable Television Standards Council, is established by the Canadian cable TV industry to ensure high standards of customer service. The list of members includes most cable companies, but not Videotron... I don't know if Videotron actually reacts to dissatisfied customers, but maybe a barrage of complaints will have an effect. The link to their technical support is below. In your complaint, maybe threaten to switch to Bell ExpressVu, which has better picture quality. I am thinking of switching myself. Videotron tech support: www.videotron.com/services/en/assistance.jsp CRTC (complaints): www.crtc.gc.ca/RapidsCCM/Register.asp?lang=E
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Panasonic TC-P50V10, SA8000HD, OPPO BDP-83, Yahama RX-V863 |
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#2 |
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Veteran
Join Date: Oct 2003
Posts: 1,725
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IF Videotron is using 256 QAM they should be able to squeeze up to 13 channels into a 6MHZ channel at about 3Mb/s for each channel without noticeable problems. I can see if more than that is in that space, then you would see noticeable deterioration. Rogers digital channels for the most part look really good, with the exception of some of their Timeshifts, but I think thats source related since they get them from Cancom, and Rogers has way more digital channels than other cable companies so they must also be maxing out their bandwidth too.
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#3 |
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Moderator
Join Date: Apr 2003
Location: Gatineau and Ottawa
Posts: 7,625
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For example in Montreal,
QAM09 contains 18 channels (incl. 3 audio) QAM15 contains 19 channels (incl. 5 audio) QAM03 contains 18 channels (incl. 4 audio) QAM19 contains 18 channels (incl. 4 audio) QAM21 contains 13 channels. I agree Videotron could be doing better. I find myself hunting the channels to find a show I am watching that has a better signal or DD audio.
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#4 |
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Veteran
Join Date: Oct 2003
Posts: 1,725
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Wow, 18 channels on a QAM, thats way too much. I then can sympathize with what you're experiencing with poor picture quality. I think that is totally
unacceptable. 13 at most should give good PQ, since you really need 3Mb/s per channel. Videotron must not be rebuilt to 860MHZ if they are doing this. |
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#5 |
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Join Date: Oct 2004
Location: Montreal
Posts: 147
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Hi guys,
They've cramped more channels lately and I did notice deterioration as if watching a bad divx... When I asked Videotron what they were gonna do about bad picture quality, their incredible response was that most people don't own a high end tv and don't notice the compression side effects I almost fell off my chair.....that was the most incompetent response I've ever heard from any kind of tech support....imagine, the poor kid (cust. serv.) consulted second level techs and came back with this answer.... I own a Panny 60" lcd and it looks like crap on SD channels. I wonder to what extend it would look better with ExpressVue... |
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#6 | |
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Moderator
Join Date: Apr 2003
Location: Gatineau and Ottawa
Posts: 7,625
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Quote:
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#7 | |
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Join Date: Mar 2004
Location: Montreal
Posts: 63
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Quote:
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Panasonic TC-P50V10, SA8000HD, OPPO BDP-83, Yahama RX-V863 |
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#8 |
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Join Date: Oct 2004
Location: Montreal, QC
Posts: 178
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Good idea! I just sent off my complaint letter.
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#9 |
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Join Date: Oct 2004
Location: Montreal, QC
Posts: 178
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Here's what they wrote back to my letter:
Dear maxyvits: We have just carried out routine tests we note that the reading of the signals to your Illico are excellent. We suggest you to contact us by phone. One of our technical support representatives will be happy to answer your call seven days a week, twenty-four hours a day. |
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#10 |
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Join Date: Mar 2004
Location: Montreal
Posts: 63
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Here's the reply I received from Videotron to my complaint about fuzzy image quality:
======================= Dear sir, We made no compression change over the past few months, we broadcast the exact signal we receive from our providers, nothing more, nothing less. We are aware that some standard channels may look fuzzy on a high-definition TV so we are working on increasing the sharpness of standard channels on our HD terminals. We hope that you will remain one of our satisfied customers for a long time. Do not hesitate to contact us if you have any question. Steve Lemelin Videotron technical support ======================== More baloney. Although not all the signals they get are full resolution, the difference between their best and worst local channels is pretty obvious. And the resolution info on Kaphyr's web page corresponds with what I see on my screen. I wonder how they intend to "increase the sharpness" on HD terminals, without going back to full resolution.
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Panasonic TC-P50V10, SA8000HD, OPPO BDP-83, Yahama RX-V863 |
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#11 | |
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Join Date: Dec 2004
Location: GTA
Posts: 71
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Quote:
I've got both Videotron and Starchoice. The picture quality isn't even in the same ballpark especially in HD. Starcoice looks like I'm looking through a window, Videotron looks like I'm looking through a screen door. As a result I'm using Starchoice pretty much exclusively. I've kept the Videotron Illico since I've got the High Speed Internet. I'm not an expert in this area but apparently the Starchoice channels are significantly less compressed than Expressvu. If you check the other forums that topic comes up fairly frequently. Starchoice is pretty much known for great picture quality, good customer service and O.K. channel selection compared with Expressvu. Expressvu has O.K. picture quality, poor customer service and great channel selection. There's my two cents worth. |
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#12 | |
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Join Date: Feb 2004
Location: montreal
Posts: 281
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Quote:
I have the SA8000HD box connected with component and I must say I'm impressed with the picture. Certainly not anywhere close to a screen door effect. Unfortunately, I don't have anything else to compare to so maybe its a case of not knowing what I'm missing. But my reaction - as well as those of many guests who have viewed HD on my GWIII - is one of amazement at the near-3D quality of the picture (especially with MNF & any of those Pixar animation movies). BTW, my signal strength is quite good somewhere around -1 (where 0 is the best). |
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#13 | |
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Join Date: Mar 2004
Location: Montreal
Posts: 63
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Quote:
Signal strength won't make any difference until it's below -10 dB or so, then you'll get noticeable problems like pixellation.
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Panasonic TC-P50V10, SA8000HD, OPPO BDP-83, Yahama RX-V863 |
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#14 | |
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Join Date: Feb 2004
Location: montreal
Posts: 281
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Quote:
However, you have to agree that if someone sees SDE on a HD broadcast there's something unsual going on somewhere. I noticed you listed the SA8000HD in your profile. Am I to assume you're not satisifed with Videotron's HD PQ? Should I start considering my alternatives? |
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#15 | |
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Join Date: Dec 2004
Location: Montreal
Posts: 164
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Quote:
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