Pioneer XV-DV525, XW-DV525, S-DV525, XW-DV1WS manual Additional information Glossary, Protection

13Additional information

Glossary

Analog	Direct representation of sound by an
audio	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	Indirect representation of sound using
audio	numbers. See also Sampling frequency
	and Analog audio.
Dolby	A multi-channel audio encoding system
Digital	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 copy	DRM (digital rights management) copy
protection	protection is a technology designed to
	prevent unauthorized copying by
	restricting playback, etc. of material on
	devices other than 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	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).
Dynamic	The difference between the quietest and
range	loudest sounds possible in an audio
	signal.
EXIF	A file format developed by Fuji Photo
(Exchangeabl	Film for digital still cameras. Digital
e Image File)	cameras from various manufacturers
	use this compressed file format which
	carries date, time and thumbnail
	information, as well as the picture data.
File	A tag added to the end of a filename to
extension	indicate the type of file. For example,
	“.mp3” indicates an MP3 file.
ISO 9660	International standard for the volume
format	and file structure of CD-ROM discs.

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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.
MPEG video	A video format used on Video CD/Super
	VCDs and DVD discs.
PBC	A system of navigating a Video CD/
(PlayBack	Super VCD through on-screen menus
Control)	recorded onto the disc.
PCM	Digital audio encoding system found on
(Pulse Code	CDs. Good quality, but requires a lot of
Modulation)	data compared to Dolby Digital, DTS
	and MPEG encoded audio. See also
	Digital audio.
Progressive	All the lines that make up a video picture
scan video	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 67
	for more information.
Sampling	The rate at which sound is measured to
frequency	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”.

Manufactured under license from Dolby Laboratories.“Dolby”, “Pro Logic” and the double- D symbol are trademarks of Dolby Laboratories.

“DTS” and “DTS Digital Surround” are registered trademarks of Digital Theater Systems, Inc.

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