MCE TV Tuner Roundup: Featuring ATI's Theater 550 & NVIDIA's NVTV
by Anand Lal Shimpi on April 12, 2005 6:26 PM EST- Posted in
- GPUs
The Test
Testing TV tuners, especially comparing based on image quality, is a tough thing to do; the main problem is that there's no good test scene that's repeatable across multiple systems. Testing video capture functionality is easy. Simply play a non-encrypted DVD over and over again and compare image quality - but you can't really tell a TV channel to put its contents on repeat so that we can see how the same scenes look across 6 different TV tuners.
Using something like cable on-demand doesn't really work either because then, you're left using an external tuner to actually get the signal, and simply test, the TV tuner's ability to capture an external signal, not receive and tune a cable channel.
Luckily, there are two TV channels that are perfectly designed for the task at hand: CNN Headline News and The Weather Channel. Both of the aforementioned channels repeat their content, usually every half hour, for several hours at a time. Armed with 6 TV Tuners and a Sunday of nothing to do but watch the same 30 minutes of headlines over and over again, we had our test platform. Even after doing this, it's still tough to get frame for frame, identical comparisons across the TV tuners. So often times, we'll resort to using different scenes to illustrate strengths and weaknesses of the TV tuners. Rest assured that our findings came to be after spending quite a bit of time with each one of these tuners.
CPU utilization wasn't a concern, as all of the tuners ate up less than 7% of our CPU while recording. Given that you can't really run Windows XP Media Center Edition without a fairly fast processor and that all of the cards compared here today are full hardware MPEG-2 encoders, there's not much to talk about with CPU utilization.
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vailr - Wednesday, April 13, 2005 - link
ATI’s TV Wonder Elite vs. eVGA's NVTV vs. Hauppauge PVR-150MCEhttp://www.techreport.com/reviews/2005q2/tuner-com...
Patman2099 - Wednesday, April 13, 2005 - link
I got a Theatrix 550, its got a theatre 550 chip, but its made by sapphire. its listed at about half the price of the ATI card reviewed. Looks exactly the same too.I love it, works flawlessly in my HTPC
LX - Wednesday, April 13, 2005 - link
Disappointed.Lots of fluff, less information.
Where is the software compatibility tests?
Where is the comparison of the MPEG-2 encoding?
Incorrect statements like:
"For example, the WinTV PVR-250 is identical to the PVR-500, although the latter has two tuners. The PVR-250 is also identical to the PVR-250MCE and the PVR-350."
Check http://www.hauppauge.com/pages/compare_pvr.html
Anand is getting sloppy.
segagenesis - Wednesday, April 13, 2005 - link
#37 - Yep. Ive seen piles of them at CompUSA. Not readily available... maybe in Neverland. Seeing how it IS readily available I would still count it as fair game :PsonicDivx - Wednesday, April 13, 2005 - link
hey, Cygni. Just checked Newegg, guess what PVR-150 instockhttp://www.newegg.com/app/ViewProductDesc.asp?desc...
mind you this is the retail version. Also the 150 has been out for some time. I've even seen it at CompUsa.
Also check out pcalchemy their prices are good. Also I trust HTPCNews or AVSForums more in terms on product reviews and knowledge on HTPC systems.
GoatMonkey - Wednesday, April 13, 2005 - link
Why is there a sudden interest in reviewing these products just 2 weeks after I make my decision and buy something? I searched everywhere I could think of to find any information about these cards. I finally decided on a Hauppauge 500, which I'm happy with btw, but it's still annoying to get a decent review just *after* I buy something.Next up you should do a comparison of the software side of this: Beyond TV, Myth TV, Windows MCE, Chris TV, etc. How about a comparison of video capture and editing software also. I guess Anand's reviews mostly software, but maybe some other site will pick up this idea. I'm having a great time with Beyond TV btw.
bupkus - Wednesday, April 13, 2005 - link
kjohnson,Perhaps you'd be happier in Red China where ideology police WATCH YOU!
leaglebob2 - Wednesday, April 13, 2005 - link
How can you do a video review and post captured pictures without stating what the capture parameters were? ((of the video stream--not the stills))BTW==what were they?
And assumng capturing was done "at the best settings" how about a review at the lower resolutions for those of us who record talk shows?
You did all that work, and then stopped short.
Thanks///bobbo.
Tiorapatea - Wednesday, April 13, 2005 - link
Oops, sorry, triple post.Tiorapatea - Wednesday, April 13, 2005 - link
"That all changed when Microsoft released Windows XP Media Center Edition. Bringing the first true 10-foot UI to the PC..."Whilst I don't generally like to nitpick too much, I do find the lack of attention given on this site to Linux solutions a bit puzzling. Linux is really not that hard to get going, particularly for enthusiasts. And Anandtech does, I believe, aim to cater for the enthusiast.