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tcp91

@shawcable.net

Shaw HDTV Mbps

Does anyone know the Mbps that Shaw's HDTV broadcasts at? It looks like 720p, but I was wondering about the datarate. I have a DCX3200.


kevinds

join:2003-05-01
Calgary, AB
kudos:2

Some channels are 1080i other channels are 720p, Shaw doesn't up/down convert.

From my observations, it is around 10mbps per channel.
--
Yes, I am not employed and looking for IT work. Have passport, will travel.


adiabatic

join:2009-01-24
Victoria, BC
reply to tcp91

Depends on the source, I imagine. TSN was in the 14 Mbps range last I checked a year ago.

What channel(s) are you referring to?

OMNI for example is, I believe, upscaled so it's never going to look good. Sometimes, it's the specific programming. SN1 has been showing the Vuelta a Espana from what is clearly a SD feed from Universal Sports (it's so bad that even my g/f who's not usually aware of HD vs SD thought it looked like crap). SportNet World sometimes shows upscaled content as well.


kevinds

join:2003-05-01
Calgary, AB
kudos:2

Yes, some things are definately upscaled, but as far as I know, that is the station doing it, not Shaw.

I will be watching a program in HD, on an HD channel, and a commerical will be in 480i, my terminal and TV output 480i at that point.

When a station shows 480i content on the HD channels, sometimes they can really upscale and/or stretch very poorly.
--
Yes, I am not employed and looking for IT work. Have passport, will travel.



western

@teksavvy.com

Shaw must be doing some sort of downconvertering. My OTA 1080i feeds run at 18mbps


kevinds

join:2003-05-01
Calgary, AB
kudos:2

The Shaw feed of the OTA channels are definately compressed, this is where MPEG4 makes a big difference (differnet compression will lead to a better picture, using less data)

But the format is not changed.

I am not sure though if it is the station compressing it, or Shaw.
This really doesn't matter.
--
Yes, I am not employed and looking for IT work. Have passport, will travel.