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VP50 review posted over at PC

1137 Views 8 Replies 5 Participants Last post by CraigN, May 17, 2007

flyingvee

Discussion Starter · May 17, 2007

For those who don't get the email notifications, and don't haunt Evan's site, he just posted a review of the DVDO VP50. While it didn't tell me much that I hadn't learned from ownership of my own, and following the official thread, it is a quick way for folks to get an overview, without wading thru a few thousand posts.

One thing that I did not know, and would be curious to hear responses on, was his claim that HD-DVD looked better after PREP was applied to the signal. Not having HD-DVD, I can't try that, but I would wonder if it would help my BD discs also.

Uh, duh, here is the link:
http://www.projectorcentral.com/dvdo_iscan_vp50.htm

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sfogg

· #2 · May 17, 2007

Jon,

"was his claim that HD-DVD looked better after PREP was applied to the signal. Not having HD-DVD, I can't try that, but I would wonder if it would help my BD discs also."

Yeah, that doesn't make sense since I didn't think PREP could run on a 720p source? Esp. one that was scaled from a different resolution.

Not to mention you could just output at 1080i in the first place and not have any need for PREP at all.

Shawn

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markrubin

· #3 · May 17, 2007

similarly his video test re 1.3 HDMI does not make sense to me

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flyingvee

Discussion Starter · #4 · May 17, 2007

Shawn - no he said he was running 1080p out of a Tosh, then applying PREP, and having the VP50 reinterlace (?) back to 1080p.

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sfogg

· #5 · May 17, 2007

Jon,

"no he said he was running 1080p out of a Tosh, then applying PREP, and having the VP50 reinterlace (?) back to 1080p."

I read it last night and thought he said 720p but double checked now and it is 1080p. Never mind....

Shawn

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Axel

· #6 · May 17, 2007

I have noticed that the picture looks "crisper" when I let the VP50 PReP the 1080p input signal from my PS3. However, I did not notice an improvement feeding a 1080p from my XA2.

VP50 output is 1080p/60 to a Ruby. All connections are HDMI.

Hmm, I did not see him mentioning 720p in his article. Did I miss that?

_____

Axel

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flyingvee

Discussion Starter · #7 · May 17, 2007

No - thats me, since I don't have a Ruby. Will delete for clarity. My bad.

Here is the direct quote from the article - which really didn't go into enough detail to satisfy me one way or the other....

"We performed tests with the Toshiba HD-XA2 HD DVD player's 1080p output, and the reprocessed output from the VP50 looked cleaner, sharper, and higher in contrast than a direct input from the source to the projector. "

So I would assume he is scaling it back to 1080p; my crt doesn't do 1080p well, so is probably a moot point in my case, anyway.

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Axel

· #8 · May 17, 2007

Since there aren't any HDMI 1.3 A/V receivers currently on the market, high-definition audio formats are not yet seeing a lot of use. As of now, the only way to take advantage of Dolby Digital Plus, Dolby TrueHD, or DTS-HD is to use a high definition player's 5.1 analog outputs hooked directly into your receiver. As the VP50 does not have 5.1 inputs or outputs, it is not possible to use the lip-sync correction of the VP50 with high-definition audio formats. And when HDMI 1.3 receivers become available, HD audio formats must be fed directly to the receiver.

There is one way to take advantage of the new HD audio formats with the VP50. All HD DVD and Blu-ray players currently available can output this high resolution audio as multichannel PCM, which the VP50 can process for A/V lipsync and in turn pass to an HDMI A/V receiver and HDMI display. However, if you are a serious audiophile, or just planning to make use of the new HD audio formats via HDMI or 5.1 analog, it pays to be aware of the VP50's limitations in this area.

I could use some clarification here:

I am about to purchase a new AVR (Onkyo or Denon with HDMI1.3) to take advantage of the advanced/high resolution audio formats which can only be transmitted via HDMI, but not via Toslink/Digital. (I currently own a 3801 with Toslink/Digital only. Also analog connections are not an option for me.)

Now, I am ok with letting the source devices (PS3, XA2) decode the audio signal, not the AVR. To use the VP50's auto switching feature and the additional HDMI port this would be my preferred signal path:

PS3/XA2 => VP50 => AVR => Ruby

Does this work or do I have to do this:

PS3/XA2 => AVR => VP50 => Ruby

Thanks!

____

Axel

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CraigN

· #9 · May 17, 2007

Nothing there about framerate conversion including the recent firmware upgrade to enable trouble free 1080p/24.

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