Bose 3•2•1 Home Entertainment Systems - Manual (Page 6)

6
Introduction
English
Glossary of terms
2 D – The trademarked logo for Dolby ® Digital, a per ceptual coding system for audio, devel-
oped by Dolby Laboratories. Dolby Digital is the most common means of encoding audio for
DVD-Video.
Aspect Ratio – The shape of the rectangular picture in a TV set. It is the width of the picture
relative to the height. Our standard TV picture, in terminology used by that industry, is 4 units
wide by 3 units high, or 4:3 (read as 4 by 3) in aspect ratio. There are currently two standard
TV aspect ratios, 4:3 and 16:9.
Chapter – In DVD-Video, a division of a title. Technically called a part of title (PTT).
Composite V ideo – A single video signal that contains luminance, color, and synchronization
information. NTSC and PAL are examples of composite video systems.
Dolby* – a source of audio encoder technology.
Dolby Digital (also called 5.1) – a type of multi-channel surround sound format used on discs.
1
– the logo r epresenting the above.
DTS – a type of multi-channel surround sound format used on discs.
– the logo representing the above.
DVD – An acronym that is most commonly known to mean Digital Video Disc or Digital
Versatile Disc. The audio/video/data storage system based on 12- and 8-cm optical discs.
DVD V ideo – A standard for storing and reproducing audio and video on DVD-ROM discs,
based on MPEG video, Dolby Digital and MPEG audio, and other proprietary data formats.
IR – An acronym for infrared. Pertains to the type of remote that sends/receives commands
on an infrared light beam.
Letterbox – The projected aspect ratio of feature films is often 16:9 rather than the 4:3 aspect
ratio of most TVs. Therefore, it is becoming common practice to transfer films to video with
black borders at the top and bottom of the picture. The film picture becomes a “letterbox”
within the video.
*Dolby and the double-D symbol ar e trademarks of Dolby Laboratories. Manufactured under license from Dolby Laboratories.
Confi dential unpublished works. 1992-1997 Dolby Laboratories. All rights reserved.
This product incorporates copyright protection technology that is protected by method claims of certain U.S. patents and other intel-
lectual property rights owned by Macrovision Corporation and other rights owners. Use of this copyright protection technology must
be authorized by Macrovision Corporation, and is intended for home and other limited viewing uses only unless otherwise authorized
by Macrovision Corporation. Reverse engineering or disassembly is prohibited.
“DTS” and “DTS Digital Surround” are registered trademarks of Digital Theater Systems, Inc.
MPEG Layer-3 audio compression technology licensed by Fraunhofer IIS and THOMSON multimedia.
This product incorporates copyright protected technology and other intellectual property rights owned by Cirrus Logic, Inc. and sub-
ject to the copyright protection of the U.S. as well as other licensing restrictions and protections. Use of this copyright protected tech-
nology is limited solely to use with the Cirrus Logic integrated circuits incorporated in this product. Reverse engineering or
disassembly is prohibited.
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