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A DV(L)-FAQ [e]

DVL-Digest 900 - Postings:
Index


PAL to NTSC conversion
SV: When the first true 16:9 mini DV?
When the first true 16:9 mini DV?
XL1/PD150


PAL to NTSC conversion - "Perry"


Zach, Levanto:
After Effects does a pretty good job, equal to most hardware converters. The
very best (,000+) machines use motion prediction but this is not a
straightforward process and can often give worse results in particular
circumstances. Likewise there is a plug-in for AE called Twixtor which can
do in-betweening and therefore motion prediction, but it can be a bit
unpredictable.
There are also some other much fancier and more expensive applications
available, but I have got good results with AE.
Perry Mitchell
Video Consultant
http://www.perrybits.co.uk



SV: When the first true 16:9 mini DV? - "Perry"


Robert Lindqvist posted:
>the first TRUE 16:9 DV is NOT out yet. It can't be since the
DV codec is 720x576 (in PAL). We would need a new standard
and higher bitrates as maybe in: "DV50/1024x576/PAL".
Future will tell.<
This is gonna confuse folks Robert!
4:3 digital video formats for tape are all based on '601 which has a common
sample rate of 720 per line for both 525 and 625. This means they are both
'anamorphic' since those 720 samples represent 640 and 768 square pixel
locations. The powers that be decided to keep the same '601 format for
recording 16:9, so now the system is more extremely anamorphic.
'True' 16:9 in this context usually relates to the use of a CCD sensor that
actually has a 16:9 image 'patch' rather than interpolating a picture from a
4:3 patch. At the moment there is no consumer camera in that ball park.
What makes the 'true' models expensive is a need to also get acceptable 4:3
pictures, which effectively forces the manufacturer to use 2/3rd inch
sensors and optics.
A true dedicated 16:9 camera would be a lot easier to make, but perhaps will
have to await a much larger share of the market for widescreen viewers. This
situation will happen first in Europe but few of the cameras get designed
here!
FWIW
Perry Mitchell
Video Consultant
http://www.perrybits.co.uk



When the first true 16:9 mini DV? - Adam Wilt


I'd like know when will ship the first true 16:9 mini DV.
Very soon now.
> Now every camera need adding an anamorphic adapter.
> When will be it possible to shot without that additional adapter?
When the JVC GY-DV700 is available:
http://www.jvc.com/prof/Attributes/features.jsp?tree=&searchModel=&model_id=
MDL101195
(this one, BTW, is the PAL model).
Cheers,
Adam Wilt



XL1/PD150 - Adam Wilt


> ]Image stabalization with both camcorders is good. The PD-150 has optical
> >stabilzation which is rumored to be Canon licensed technology.
>
> But personally, I don't think it is as good. A little too strobed in
> outdoor situations has been my experience (with the VX2000).
Sounds to me like you have auto shutter turned on. The only way to lock it
down on the VX2000/PD150/DSR-250 is to fix the speed at 1/60 with the shutter
speed button -- the "auto shutter" option in the menus doesn't actually turn
it off (a bug confirmed by Sony).
Cheers,
AJW




(diese posts stammen von der DV-L Mailingliste - THX to Adam Wilt and Perry Mitchell :-)


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