Multimedia enthusiasts are often concerned about the quality of pictures output by the system. While this is a very subjective metric, we have decided to take as much of an objective approach as possible. Starting this month, we will be evaluating all our HTPCs and media streamers with the HQV 2.0 test suite. This test suite consists of 39 different streams divided into 4 different classes. The playback device is assigned scores for each, depending on how well it plays the stream. Each test was repeated multiple times to ensure that the correct score was assigned. The scoring details are available in the testing guide [PDF]. In the table below, we indicate the maximum score possible for each test, and how much the WD TV Live Plus is able to score.

 
WDTV Live Plus : HQV 2.0 Benchmark
Test Class Chapter Tests Max. Score WDTV Live Plus
Video Conversion Video Resolution Dial 5 4
Dial with Static Pattern 5 0
Gray Bars 5 1
Violin 5 0
Film Resolution Stadium 2:2 5 0
Stadium 3:2 5 0
Overlay On Film Horizontal Text Scroll 5 3
Vertical Text Scroll 5 3
Cadence Response Time Transition to 3:2 Lock 5 0
Transition to 2:2 Lock 5 0
Multi-Cadence 2:2:2:4 24 FPS DVCam Video 5 0
2:3:3:2 24 FPS DVCam Video 5 0
3:2:3:2:2 24 FPS Vari-Speed 5 0
5:5 12 FPS Animation 5 0
6:4 12 FPS Animation 5 0
8:7 8 FPS Animation 5 0
Color Upsampling Errors Interlace Chroma Problem (ICP) 5 5
Chroma Upsampling Error (CUE) 5 2
Noise and Artifact Reduction Random Noise SailBoat 5 0
Flower 5 0
Sunrise 5 0
Harbour Night 5 0
Compression Artifacts Scrolling Text 5 0
Roller Coaster 5 0
Ferris Wheel 5 0
Bridge Traffic 5 0
Upscaled Compression Artifacts Text Pattern 5 0
Roller Coaster 5 0
Ferris Wheel 5 0
Bridge Traffic 5 0
Image Scaling and Enhancements Scaling and Filtering Luminance Frequency Bands 5 5
Chrominance Frequency Bands 5 5
Vanishing Text 5 0
Resolution Enhancement Brook, Mountain, Flower, Hair, Wood 15 15
Video Conversion Contrast Enhancement Theme Park 5 0
Driftwood 5 0
Beach at Dusk 5 0
White and Black Cats 5 0
Skin Tone Correction Skin Tones 10 0
         
    Total Score 210 43

 

The WD TV Live scores only a 43 out of 210 on the HQV 2.0 test. The image quality tests show that the device had particular issues with deinterlacing and noise reduction. In particular the video resolution tests showed a large amount of flickering when displaying the test videos. No noise reduction appeared to be occuring, cadence was an issue, but the picture did seem to be quite vivid and not dull.

As a side note; If you are using this device to watch interlaced content on a high definition television with a quality image processor, there is a way to improve your picture quality by bypassing WD's image processor. By setting the WD TV to 1080i output rather than 1080p, you can effectively utilize the video processor of the television to provide a much cleaner picture than the WD TV Live is capable of producing on its own 1080p setting. Of course this depends on the quality of your television; but on the 52" Samsung television used in testing, great improvement was observed when viewing deinterlaced content using this method.  

The picture quality on this device proves to be significantly less than the HTPC counterparts that we have seen thus far. We will be comparing these HQV benchmark results with those obtained by similar devices in the near future.

Another interesting thing to note is that the Sigma Designs processor used in the unit has hardware support for specific noise reduction and deinterlacing algorithms. Unfortunately, WD doesn't seem to have enabled these blocks in the firmware.

Media Streaming Compatibility Test Suite Final Words
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  • gigahertz20 - Thursday, July 29, 2010 - link

    I own a WD TV Live and a Popcorn Hour A-110, both are pretty good but the Popcorn Hour has played back everything fine whereas the WD TV Live has refused to play back certain media, mostly movies with dual audio tracks. I have to use MP4Muxer to delete one of the the audio tracks, after that it will play back fine.

    If I do upgrade/buy another media player in the future, it will probably be another Popcorn Hour, but I want to wait since I don't like their current line of players. I've read reviews on the newer Popcorn Hour A-200 and people complain of fan noise and the casing is just a piece of plastic, not metal like the older A-110 that I have, which is nice since the metal casing acts like a heat sink.

    I was looking forward to the Boxee Box despite its ugly form factor, but then I've read that it will only be capable of 10 Mbits/sec 1080p HD decodes. So forget the usual 20 – 30 Mbps H264 rips on the Boxee Box.

    It seems like the Boxee box is just a fancy Xbmc box that may play most SD and 720p material, internet streaming channels etc, and a very limited portion of 1080p re-encodes if max bitrates are limited to 10Mbps.

    To bad Microsoft and Sony can't make their game consoles true media players that can handle any format, then we wouldn't need to mess around with buying a media player.
  • sucram03 - Saturday, July 31, 2010 - link

    The information you provide is very informative, thanks for that.

    However, I would remind people not to start comparing the WD TV Live to the WD TV Live Plus. My understanding is that the underlying hardware components that decode are the same, except for the added chip that allows for Netflix viewing. However, this appears to not be the case.

    I've had multiple anime shows with dual (and triple)-audio (in MKV containers) play perfectly fine with this WDTV Live Plus. Also, I'm waiting for a hopeful release of B.rad's firmware which is only good for the WD TV & WD TV Live at the moment. This would allow for moviesheet display with a nice looking interface and library over a network share, which is something the WD TV's cannot do (currently they only build a library if the connection is local).

    Interesting info on the Boxee box. I had/returned the popbox due to the horrendous firmware and slow GUI response. It was absolutely the worst purchase I've made in years.

    I might suggest you look into putting B.rad's firmware on your WDTV Live, and see if that helps any of the issues you had experienced. Of course, YMMV, but most people do seem to like the firmware.
  • gigahertz20 - Monday, August 2, 2010 - link

    Thanks for the info, the problems regarding dual audio tracks has happened in mp4 files. For example the latest one was a movie with the specs below, my WD TV Live just refused to play it.

    Video Information:
    Format: H.264/MPEG-4 AVC
    Video Bitrate: 3011
    Framerate: 23.97fps
    Display aspect ratio: 1.86
    Encoder: x264
    Resolution: 1280x688

    Audio Information:
    Format: mp4a: MPEG-4 AAC LC
    Audio #1: 384kb/s 48000 Hz 6-channel
    Audio #2: 128kb/s 48000 Hz 2-channel
    Subs: None
  • ganeshts - Tuesday, August 3, 2010 - link

    gigahertz20,

    Does this happen with all MP4 files having multiple audio tracks? We have quite a few test files with multiple audio, but unfortunately, none in the MP4 container.

    Can you upload a sample for us to check out / add to the test suite?

    Thanks
    Ganesh
  • skinsman - Friday, September 3, 2010 - link

    I ran across this comment while googling for WDTV Live mp4a problems. I've found there is a definite issue with mp4a multi-channel AAC audio - lots of people report no audio output. Dual audio tracks usually works fine from what I've seen, I don't think that's the issue you're hitting. On the other hand maybe you're seeing a different issue to the usual mp4a one - does your WDTV Live refuse to play the file at all, or are you seeing video but no audio?
  • temporalillusion - Thursday, July 29, 2010 - link

    Great article, and look forward to more like this. There's a ton of these things out there and it's hard to know which one is good beyond just looking at the codec list.

    Do the Popbox next! :D
  • gigahertz20 - Thursday, July 29, 2010 - link

    The Popbox is crap, just look at the reviews on Amazon....ouch, it wasn't ready at all to be put out there for customers. Maybe months from now after a bunch of updated firmwares are issued, it will be decent.

    http://www.amazon.com/popbox-Syabas-PopBox-Media-P...
  • temporalillusion - Thursday, July 29, 2010 - link

    Ah bummer, that's too bad. Thanks for the info, appreciated.
  • jigglywiggly - Thursday, July 29, 2010 - link

    These things are ALL stupid. You can get a new 360 for 150-200$ (arcade obv) AND, just run a tversity media server for all the content your 360 cannot play. Then just sit back, and let the 360 run... it has way way way stronger hardware than any of these things.
  • beginner99 - Thursday, July 29, 2010 - link

    yeah lol what formats cann the xbox 360play? xvid, avi? that's about. Any content worth watching on a large tv in most cases aint gonna be any of these. Unoffical standard is mkv (h.264, dts or AC3). transcoding will always lower quality. Can the xbox360 play 1080p? I doubt it.

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