Interlacing
Interlacing artefacts are only truly present on DVD
when the DVD has been created from an interlaced source instead of from
a progressive source. Animation is often the culprit here, as this is often
taken from a cheap, interlaced source rather than from a higher quality
and more expensive progressive source.
Interlacing artefacts are relatively easy to see
- simply single step through a transfer and every second image will be
a mixture of two separate fields.
Interlacing artefacts can be removed by a line scaler
or line doubler, but it is preferable that the source material does not
contain them at all.
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Note the mixture of the previous image and the next image in
this inherently interlaced image.
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X-Men: The Phoenix Saga (00:16)
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