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.

 

 

Bonus Group

An ‘extra’ group on some DVD-Audio discs that

(DVD-Audio only)

requires a key number to access.

 

 

Browsable pictures

A feature of some DVD-Audio discs in which the user

(DVD-Audio only)

can browse still pictures recorded on the disc as the

 

audio is played.

 

 

Digital audio

Indirect representation of sound using numbers. See

 

also Sampling frequency and Analog audio.

 

 

DivX

DivX is a media technology created by DivX, Inc. DivX

 

media files contain not only video but also include

 

advanced media features like menus, subtitles, and

 

alternate audiotracks.

 

 

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).

 

 

DSD

The Digital Audio encoding system found on SACDs,

(Direct Stream Digital)

that expresses the audio signals by the pulse density

 

of one bit data.

 

 

EXIF (Exchangeable

A file format developed by FUJIFILM for digital still

Image File)

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.

 

 

HDMI

HDMI (High-Definition Multimedia Interface) is a

 

high-speed digital interface which has the capability

 

to support standard, enhanced, or high-definition

 

video plus standard to multi-channel surround-sound

 

audio on a single digital connection. HDMI features

 

include uncompressed digital video, a bandwidth of

 

up to 5 gigabytes per second and communication

 

between the AV source and AV devices such as DTVs.

 

 

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-4 AAC

MPEG-4 AAC is a compressed stereo audio file

 

format. Files are recognized by the extension “.m4a”.

 

Note that some files purchased with copyright

 

protection (such as files from the iTunes store) may

 

not playback.

 

 

MPEG audio

An audio format used on Video CDs and some DVD

08

 

discs.

Packed PCM (DVD-Audio

A lossless compression system that enables more

only)

PCM audio to be stored on a DVD-Audio disc than

 

would otherwise be possible.

 

 

PBC

A system of navigating a Video CD through on-screen

(PlayBack Control)

menus recorded onto the disc.

 

 

PCM

Digital audio encoding system found on CDs. Good

(Pulse Code Modulation)

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

(DVD-Video only)

particular areas of the world. See DVD-Video regions

 

on page 41 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.

 

 

Super Audio CD (SACD)

Super Audio CD is a high quality audio disc format

 

that can accommodate high sampling rate stereo

 

and multi-channel audio, as well as conventional CD

 

audio all on the same disc.

 

 

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”.

 

 

WMV

WMV is an acronym for Windows Media Video and

 

refers to a video compression technology developed

 

by Microsoft Corporation. Files are recognized by the

 

file extension “.wmv”.

 

 

45

En

Page 45
Image 45
Pioneer DV58AV_KU_EN operating instructions Glossary, Aspect ratio