Ayre DX-5DSD User Manual download pdf (Page 46)

image. On a standard display, additional black bars

will be added by the video disc player (or much less

commonly by the display itself). The end result will

be thick black bars at the top and bottom of the

screen. Again this is perfectly normal.

Pan and Scan Discs

Sometimes when a widescreen film is transferred to

video disc, only the center portion is scanned. This

process is called “pan and scan” and changes the

aspect ratio to 1.33:1, allowing for viewing on

standard displays without the use of black bars.

However this not only changes the film director’s

original visual composition, but can even lead to

critical elements being left out of the picture

entirely.

These discs are often euphemistically called

“fullscreen”. Most film enthusiasts prefer to watch

the film’s original aspect ratio and therefore avoid

these discs. As far as compatibility with either

widescreen or standard displays, pan and scan discs

will work in the same way as standard 1.37:1 films.

Letterboxed Discs

Since all DVD players can convert a widescreen disc

to display properly on a standard video display,

there is no technical reason to make a “letterboxed”

disc. However in the very early days of DVD, movie

studios were selling to a much smaller audience of

DVD player owners. Instead of making a new

transfer to DVD in widescreen format, to save

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Ayre DX-5DSD User Manual Page 46