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Re(2): [AV Media Matters] Compression discussion.
>
>2. A single round-trip through a compression system does not indicate
>problems that may be introduced by concatenated compression.
> If the sole function of an archive is to provide reproduction on
>site, then the concatenated-compression issue need not be considered.
>If, however, reproduced material may be subject to additional stages of
>transmission or recording compression, then it should be considered.
This is obviously very important. It is why I said that the archiving
compression scheme chosen must have a good quality headroom over that of the
potential uses of the material.
tony
Tony Gardner
Press and Communication Service
Audiovisual Unit
TRE120 1/63
European Commission
Wetstraat 200 1049 Brussels
+32 2 299 9161 +32 2 299 9218(fax)
+32 75 828051(gsm)
anthony.gardner@cec.eu.int