INTRODUCTION
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MP3 - MPEG-1 Layer III audio. This is a compressed audio format that allows the recording
of many hours of music on a single CD.
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MPEG - An abbreviation for Moving Picture Experts Group, the committee
of experts from
the audio, video, and computer industries involved in setting standards for compression
of
moving images.
NTSC - An abbreviation for National Television System Committee and the label for its
video format standard used for televisions in the U.S. and other countries.
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R
S
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PAL - An acronym for the Phase Alternate Line video format used extensively in Western
Europe.
Pan & scan - The technique of reframing a picture to conform to a different aspect ratio by
cropping parts of the picture. DVD-video players can use the horizontal offset encoded with
the video on certain DVDs to automatically
pan and scan widescreen video to a 4:3 ratio.
PCM - An abbreviation for Pulse Code Modulation. A common form of digital audio signal.
Progressive Scan - A video format that displays all lines of the picture frame in a single pass
and refreshes the TV image 30x/sec. Not compatible
with all video displays.
PVR - An abbreviation for Personal Video Recording. Sometimes used interchangeably
with
DVR for Digital Video Recording but may include non-digital technology, as used in VCRs.
RF remote - A remote control that transmits commands to a device using radio frequency
(RF) signals, which have the ability to penetrate walls, unlike the infrared (IR) signals used by
many remote controls.
RDS - A system that displays radio broadcast station and programming
information. This
feature is available on European systems only.
SACD - An abbreviation for Super Audio Compact Disc, used for high-resolution
digital audio
storage on CD-sized discs. New Bose ® LIFESTYLE ®systems play the CD-compatible
portion
of such discs, identified by the CD disc logo on the front of the disc.
SCART - A type of jack commonly found on consumer electronics products manufactured
for use in Western Europe.
SCMS - A system for preventing second-generation
digital copies of copyrighted
audio
material. A digital recorder equipped with SCMS will record digitally from another source, but
that recording cannot then be used as a source for a second-generation
recording.
Screen ratio - The dimensions of the video display on a television, which can vary from
4:3 standard to 16:9 widescreen. Also called "letterbox,"
widescreen display leaves a black
band above and below the picture on traditional TVs. This does not occur on widescreen TVs.
Subtitles
- Text that appears at the bottom of the screen during video playback, and which
may differ from the language of the on-screen dialog.
S-video - Also called Y/C. A video signal that separates the brightness (black and white) and
the color information. S-video provides significantly
higher resolution than composite video,
but not as high as from component. This type of connection
is compatible with many televi-
sions and other video components,
and requires use of an S-video cable.
Teletext - An information retrieval service provided by television broadcast companies in
Europe and some other countries, not including the U.S.
Video CD - A Compact Disc (CD) that contains a video component.
Videostage ®5 - Bose proprietary decoding circuitry that provides five-channel
surround
sound performance from varied media - VHS tapes, stereo CDs, even mono TV programs.
YPbPr - A component
analog video signal containing one luminance and two chrominance
components.
Also referred to as YUV or Y, B-Y, R-Y.
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