[opendtv] Re: Dell's new LCD display - was Re: Motorola Introduces...
- From: Neil Pickford <neilp@xxxxxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 11 Jan 2006 21:23:06 +1000
Hi Colin
I have noticed this effect too on LCD displays, however in my case I
have determined that it is more a case of PCI BUS contention within the
PC displaying the image.
I found that if the image data is being streamed from a remote computer
over a network then I get stutter free playback, however if it is being
sourced locally from a disk controller (IDE HDD or CD/DVD) on the same
computer often I get stutters when a disk fetch occurs.
See if you can correlate your stutters with other device activity in the
rendering computer.
I believe some of the latest motherboard topologies with SATA are
addressing this issue with separate I/O paths.
Anyone else know anything about this?
Cheers
Neil Pickford
Canberra, Australia
ColinRWright@xxxxxxxxxxxxxxx wrote:
> A 50Hz country question about the new Dell LCD screen and in fact most fixed
> pixel array displays (PDPs, etc) for home theatre or even notebook PCs -
> they all have a single nominal 60 Hz vertical rate - only !!!
>
> So is this the reason occasional picture stutter might be seen when showing
> 25 and 50 frame per second video - or what mechanism/process removes this
> and does this make these type of displays absolutely OK for critical picture
> evaluation of material that may involve temporal artifacts (particularly if
> trying to play out of a hi-grade PC GPU)?
>
> Maybe Jeroen or others can offer an answer.
>
> Specs for the Dell (including scan rates) are at
> http://support.dell.com/support/edocs/systems/3007WFP/EN/about.htm#Specifications
>
> Kind regards,
> Colin Wright
> Seven Australia
> ----- Original Message -----
> From: "Donald Koeleman" <donald.koeleman@xxxxxxxxxx>
> To: <opendtv@xxxxxxxxxxxxx>
> Sent: Tuesday, January 10, 2006 7:53 AM
> Subject: [opendtv] Re: Motorola Introduces First All-Digital Set-Top Family
> With Built-In Home Media Networking Capabilities
>
>
> And at higher resolutions? Like with Dell's new Apple cinema display
> 'killer'
> http://home.businesswire.com/portal/site/google/index.jsp?ndmViewId=news_view&newsId=20060105005993&newsLang=en
>
> http://www.engadget.com/2005/12/21/the-dell-3007wfp-to-drop-jan-5th/
>
> http://www1.us.dell.com/content/topics/topic.aspx/global/products/monitors/topics/en/monitor_3007wfp?c=us&l=en&s=gen
>
> Aren't those cards intended to be used with rgb sources aka personal
> computers... Of course they are a great match for any HD HTPC, playing
> YCbCr, instead of converting dvd source's YUV to RGB.
>
> Though I just read that Nvidia's new h.264 decompression accelleration has
> an edge on ATi's, allowing lower spec cards to accelerate hd signals,
> whereas ATi's relies on a certain number of pixelpipes to be present, so
> only the high-end cards can provide sufficient accelleration support.
>
> It is said that MS recommends ATi graphics for Vista, due to better driver
> support. So no clear cut pc graphics leader at the moment.
>
> d.
>
>
>
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