Pioneer DV-300-K, DV-300-S operating instructions Additional information Glossary, Dolby Digital

Additional information

Glossary

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.
DivX	DivX is a compressed digital video
	format created by the DivX® video
	codec from DivX, Inc.
Dolby Digital	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	DRM (digital rights management) copy
	protection is a technology designed to
	prevent unauthorized copying by
	restricting playback, etc. of
	compressed audio files on devices
	other than the PC (or other recording
	equipment) used to record it. For
	detailed information, please see the
	instruction manuals or help files that
	came with your PC 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).
EXIF	A file format developed by Fuji Photo
(Exchangeable	Film for digital still cameras. Digital
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	English
	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	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
(Pulse Code	on CDs. Good quality, but requires a lot
Modulation)	of data compared to Dolby Digital, DTS
	and MPEG encoded audio. See also
	Digital audio.
Progressive	All the lines that make up a video
scan 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 38 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”.

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