L64105 LSI Logic Corporation, L64105 Datasheet - Page 412

• Manufacturer Part Number: L64105
• Description: Mpeg-2 Audio/video Decoder
• Manufacturer: LSI Logic Corporation

N
O
P
B-6
NTSC
OSD
P Picture
PAL
PCM
PES
PQFP
Glossary of Terms and Abbreviations
National Television Standards Committee
A committee which set the television standard used today
in United States and Japan. The standard dictates a
720-pixel wide by 525-line high display in a 4:3 aspect
ratio produced by two interlaced scans alternating at
60 scans per second; one for odd lines and one for even
lines. The standard also defines a luminance/chrominance
color system that allows black and white TVs to receive a
color picture in black and white.
On-Screen Display
Graphics overlay on video background. For the L64105,
OSD data is supplied either by the host or from an
external device, such as a character generator.
Predictive coded picture (from past reference I picture).
See I Picture.
PAL refers to the TV standard in much of Europe except
France (which uses SECAM).
Pulse Code Modulation
The process of encoding an analog signal into digital
format. The analog signal is sampled and the amplitude
of each sample is converted to a set of binary digits or
digital bits. The bits are then formed into a serial or
parallel stream.
Packetized Elementary Stream
A Packetized Elementary Stream is an Elementary
Stream such as an encoded audio or video stream
arranged in packets containing a header with control
information and a payload of data (audio, video,
subpictures, etc.). Packetizing allows Elementary
Streams to be combined by time division multiplexing to
form complete program streams.
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