beautypg.com

Glossary, Additional information 08 – Yamaha DVD-S559 User Manual

Page 42

background image

Additional information

08

39

En

Glossary

*1

Manufactured under license from Dolby

Laboratories. “Dolby” and the double-D symbol
are trademarks of Dolby Laboratories.

*2

“DTS” and “DTS Digital Out” are registered

trademarks of Digital Theater Systems, Inc.

Analog audio Direct representation of sound by an

electrical signal. See also Digital audio.

Aspect ratio

The width of a TV screen relative to its
height. Conventional TVs are 4:3;
widescreen models are 16:9.

Digital audio

Indirect representation of sound using
numbers. See also Sampling frequency
and Analog audio.

Dolby

Digital

*1

A multi-channel audio encoding system
developed by Dolby Laboratories that
enables far more audio to be stored on a
disc than PCM encoding. See also PCM
(Pulse Code Modulation)
.

DRM

✜✜✜✜

WMA)

DRM (Digital Rights Management) copy
protection is a technology designed to
prevent unauthorized copying by
restricting playback, etc. of material on
devices other the PC (or other WMA
recording equipment) used to record it.
For detailed information, please see the
instruction manuals or help files that
came with your PC (or other WMA
recording equipment) and/or software.

DTS

*2

A multi-channel audio encoding system
developed by Digital Theater Systems
that enables far more audio to be stored
on a disc than PCM encoding. See also

PCM (Pulse Code Modulation)

.

EXIF
(Exchangeable
Image File)

A file format developed by Fuji Photo
Film for digital still cameras. Digital
cameras from various manufacturers
use this compressed file format which
carries date, time and thumbnail
information, as well as the picture data.

File extension

A tag added to the end of a filename to
indicate the type of file. For example,
“.mp3” indicates an MP3 file.

ISO 9660
format

International standard for the volume
and file structure of CD-ROM discs.

JPEG

A standard file format used for still
images. JPEG files are identified by the
file extension “.jpg”.

MP3

MP3 (MPEG1 audio layer 3) is a
compressed stereo audio file format.
Files are recognized by their file
extension “.mp3”.

MPEG audio

An audio format used on Video CD/
Super VCDs and some DVD discs.

PBC
(PlayBack
Control)

A system of navigating a Video CD/
Super VCD through on-screen menus
recorded onto the disc.

PCM
(Pulse Code
Modulation)

Digital audio encoding system found on
CDs. Good quality, but requires a lot of
data compared to Dolby Digital, DTS
and MPEG encoded audio. See also

Digital audio

.

Progressive
scan video

All the lines that make up a video picture
are updated in one pass (compared to
interlace which takes two passes to
update the whole picture).

Regions

These associate DVD-Video discs and
players with particular areas of the
world. See

DVD-Video regions

on

page 37 for more information.

Sampling
frequency

The rate at which sound is measured to
be turned into digital audio data. The
higher the rate, the better the sound
quality. CD is 44.1 kHz; DVD can be up
to 96 kHz. See also

Digital audio

.

WMA

WMA is short for Windows Media Audio
and refers to an audio compression
technology developed by Microsoft
Corporation. Files are recognized by
their file extension “.wma”.
Microsoft, Windows Media, and the
Windows logo are trademarks, or
registered trademarks of Microsoft
Corporation in the United States and/or
other countries.

01_DVD-S559_En.book Page 39 Friday, November 18, 2005 4:32 PM