Ayre Acoustics DX-7 User Manual

Page 80

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Africa, and South America. This format has a total
of 625 lines, of which 576 are used for the actual
picture information.

PCM

Pulse Code Modulation is the fundamental method
used to store audio or video as digital codes. This is
the highest performing method of storing audio,
and is the system used on CDs. See also Compressed
Audio
.

Pixel

As a digital format, DVD reproduces video image as
a grid of very fine colored dots. The smallest
element of this video image is called a pixel, which
is a shortened form of Picture Element.

Plasma

A plasma video display uses ionized gases to excite
colored phosphors, similar to the way that a
fluorescent light bulb operates. This is one example
of a Fixed Pixel display.

Progressive

A progressive video system draws all of the picture
lines on the video display in one pass. Commonly
used for computer displays, progressive video results
in a more stable, flicker-free picture than does
Interlaced video.

RCE

Region Coding Enhancement is a more
sophisticated system of Region Coding developed to
enforce the playback of DVDs only in their intended
region. Playback of RCE discs may require changing
the DVD players region setting manually.

Region Coding

In an attempt to control the distribution of DVDs,
the DVD forum has designated eight different
regions throughout the world. Discs from any given
region are normally only playable on DVD players

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