Mr F Ross, which industry? The experimental film industry?

On Sun, Aug 18, 2013 at 5:18 PM, chris bravo <iamdir...@gmail.com> wrote:

> "It's a commonly accepted industry practice to shoot in HD, then
> downsample to SD, particularly for chroma key work"
>
> um. nope.
>
>
> On Sun, Aug 18, 2013 at 7:28 PM, Aaron F. Ross <aa...@digitalartsguild.com
> > wrote:
>
>> The level of technical ignorance displayed on this discussion list never
>> ceases to amaze me. VHS is much worse than 480p. You're lucky if you get an
>> effective resolution of 320 vertical columns on VHS. VHS = ~150,000 pixels,
>> 640x480 = 307,200, DVD/DV = 345,600.
>>
>> It's a commonly accepted industry practice to shoot in HD, then
>> downsample to SD, particularly for chroma key work. Most indie makers can't
>> afford 4:4:4 pro HD gear, so they shoot in HD, then knock the resolution
>> down to lossless 4:4:4 SD before cutting a key. This eliminates the color
>> sampling limitations of consumer HD gear & formats. This is the optimal
>> pipeline for no-budget VFX work.
>>
>> Downsampling after compositing will give some relief from the chroma
>> sampling limitations, but it's far better to downsample before compositing.
>> Just be sure that the downsampled footage is in a lossless format such as
>> Quicktime Animation. If you're tight on disk space, you can nest
>> compositions or timelines and render the composited SD footage directly,
>> with no intermediate.
>>
>> Aaron
>>
>>
>>
>> At 8/17/2013, you wrote:
>>
>>> Aaron F Ross... downsampling it to 480p is not the same as laying off to
>>> tape. It's like suggesting he hands out blurred glasses to anyone viewing
>>> the film. It's an interesting idea but not what he's asking for.
>>>
>>> Jeff Kreines... I agree with you about fixing the mistakes, but the cool
>>> part about laying off to tape and then viewing the results, is that laying
>>> off to tape and then recapturing the footage creates a copy of the footage,
>>> it doesn't modify the original. If he isn't satisfied with the results,
>>> he's free to try something else.
>>>
>>>
>>>
>>> On Sat, Aug 17, 2013 at 8:31 PM, Jeff Kreines <<mailto:j...@kinetta.com>
>>> jeff**@kinetta.com <j...@kinetta.com>> wrote:
>>>
>>>
>>>  Hey Im making a stopmotion video using adobe premiere and it looks
>>>> terrible because its HD and looks too crisp.  You can see all the shitty
>>>> blue screening and whatnot so I want to convert it to VHS so the mistakes
>>>> don't look so obvious.
>>>>
>>>
>>> If you want less resolution just to mask the mistakes, why not fix the
>>> mistakes rather than make it all look like mush?
>>>
>>> Of course if you want it all to look mushy, why work in HD in the first
>>> place?  A generation of VHS will do many things, some of which you may like
>>> and others you may not.  Choice of format is important.
>>>
>>> Jeff Kreines
>>> Kinetta
>>> <mailto:j...@kinetta.com>jeff@**kinetta.com <j...@kinetta.com>
>>> <http://kinetta.com>kinetta.**com <http://kinetta.com>
>>>
>>>
>>>
>>>
>>>
>>>
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>>
>> ------------------------------**-------------
>>
>> Aaron F. Ross
>> Digital Arts Guild
>>
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>
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