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Larger Edition vs. Burn-on-Demand
If you're using CD-R or DVD-R as a distribution medium, there are
basically two ways to produce them: the production of a large series of
identical copies (traditional edition) or to produce needed copies on
demand.
To produce a larger edition has the advantages that
- the production may be out-sourced
- the production price per copy is lower
- hardware incompatibilities are very unlikely
This method is therefore clearly recommended if you do not intend to maintain
and update the corpus on a regular basis.
To burn on demand means that always the latest version of the data will
be copied on to the medium. The advantages here are
- you do not need to decide beforehand how many copies to invest in
- updates are possible
- you may easily switch to new media types
For example, the speech corpora at BAS are always distributed in their
newest version, because BAS is actively working on most of its speech
resources. Using this concept
it was possible that for instance the RVG1 corpus which
initially consisted of 32 CD-Rs will now be distributed on 5 DVD-Rs as
well.
On the other hand the SpeechDat corpora produced by BAS and
distributed by ELDA were produced in a larger edition because nobody
is responsible for maintaining these corpora any more.
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BITS Projekt-Account
2004-06-01