I'm creating FLVs using Sorenson Squeeze 4, but I'm uncertain of the best
method of production.

Starting from DV, I can:
1. produce FLVs directly from DV
2. produce Quicktime from DV, and then produce FLV from Quicktime
3. produce .mp4 from DV, then produce FLV from mp4

#1 seems the most direct, but means a big compression from DV to FLV.

#2 is easier for me because we already producing Quicktime, but I'm not
sure if two compressions will lead to lower quality.  On the other hand,
I've heard that going to Quicktime first can produce better results because
QuickTime allows for greater control over the compression process.

Thoughts?  How are people actually moving from DV to FLV?

Thanks,

Greg Saunders
Chief Technical Officer
Socratic Arts
http://www.socraticarts.com


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Greg,

I use methods 1 and 2, and both work fine. The big issue is always
size, and be sure that the audio is MP3.  The "About Us" prog. dnload
at http://www.sandlight.com used Method #2.

Bill
On Mar 1, 2005, at 10:38 AM, Greg Saunders wrote:

> I'm creating FLVs using Sorenson Squeeze 4, but I'm uncertain of the
> best method of production.
>
> Starting from DV, I can:
>     1. produce FLVs directly from DV
>     2. produce Quicktime from DV, and then produce FLV from Quicktime
>     3. produce .mp4 from DV, then produce FLV from mp4
>
> #1 seems the most direct, but means a big compression from DV to FLV.
>
> #2 is easier for me because we already producing Quicktime, but I'm
> not sure if two compressions will lead to lower quality.  On the other
> hand, I've heard that going to Quicktime first can produce better
> results because QuickTime allows for greater control over the
> compression process.
>
> Thoughts?  How are people actually moving from DV to FLV?
>
> Thanks,
>
> Greg Saunders
> Chief Technical Officer
> Socratic Arts
> http://www.socraticarts.com
>
>
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> Supported by Fig Leaf Software - http://www.figleaf.com
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>
> To change your subscription options or search the archive:
> http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
>
>
bill sanders | www.sandlight.com | bloomfield, ct | 860-242-2260


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We push everything through AE to deinterlace, change to square pixels,
scale, crop, noise reduce, and gamma correct, rendering to Photo-jpeg at
98% quality.  The AE pixel accuracy and scaling algorithms are far
superior to other productS, which particularly shows up in crisper
rendition of text.

The pjpegs are perceptually lossless and are much smaller than DV files,
so we can push a lot more target scaled pjpegs through our network than
we would be able to as fullsize DV or uncompressed.

Randy Tinfow
IMAGE PLANT

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