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Posted by mmaker on 01/02/06 01:14
William Davis wrote:
> There's little or no difference between the size of a same length clip
> digitzed into Regular DV or into HDV
Actually, if you use a native system it's the same or less. However,
odds are your rendered footage will use a codec with much less
compression since it would be silly to render to MPEG-2. Avid, for
example, use a 120 Mbps codec for rendered effects in HDV editing,
which is about 5x the amount required for the raw HDV footage.
> The question with HDV isn't the size of the clips, it's more whether
> your editing hardware and software combination has the oomph to smoothly
> handle the "on the fly" decompression/recompression cycles necessary for
> frame accurate editing in a data stream that really doesn't actually
> contain all the real frames.
Yes, exactly. You basically have the choice of native editing, which
needs lots of CPU but not much disk speed, or recompression to a better
codec, which needs fast disks but not so much CPU performance.
Mark
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