DVD glossary
- White Book
Proprietary Philips/Sony specification (white
cover) for VIDEO CD.
- Wobble
Continuous, sinusoidal radial deviation of the
prerecorded groove from track centerline. Usually includes CLV and other
information, such as location, contained in phase or other forms of
modulation.
- Word
Contiguous set of data bytes. Four CD-DA bytes
representing one stereo sample is often referred to as one word.
- WORM
Write-Once-Read-Many
recording on non-erasable blank media or media containing pre-stamped grooves
to guide a write laser.
- Write Strategy
Shaping recorder laser power as a function of
time and/or adjusting the write time duration to be different than the desired
time interval in order to achieve proper read characteristics.
Widescreen
An image with an aspect ratio greater than 1.33:1. Can include aspect ratios:
1.66:1, 1.85:1, and 2.35:1.
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