51Glossary
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11 Glossary
Analogue audio
Soundthathasnotbeenturnedintonumbers.
AnaloguesoundisavailablefromtheLEFT/
RIGHTAUDIOoutputs.Theredandwhite
socketssendaudiothroughtwochannels,the
leftandright.
Aspect ratio
Aspectratioreferstothelengthtoheightratio
ofTVscreens.TheratioofastandardTVis4:3,
whiletheratioofahigh-denitionorwideTVis
16:9.Theletterboxformatallowsyoutoenjoya
picture with a wider perspective on a standard
4:3 screen.
Delay
Thetimedifferencebetweenasoniceventand
its perception at the listening position. Use the
LipSynchronizationfeaturetocancelthedelay.
De-scrambling/scrambled
Many TV channels are scrambled. To de-scramble
themyouneedspecicsmartcardsprovidedby
differentpay-TVproviders.
Digital audio
Soundsignalthathasbeenconvertedinto
numerical values. Digital sound is available
whenyouusetheDIGITALAUDIOOUT
COAXIAL.Thesesocketssendaudiothrough
multiplechannels,insteadofjusttwochannelsas
analogue does., Volume and mute are managed
by audio equipment.
Dolby Digital
AsurroundsoundsystemdevelopedbyDolby
Laboratoriescontaininguptosixchannelsof
digitalaudio(frontleftandright,surroundleft
andright,centreandsubwoofer),Volumeand
mute are managed by audio equipment.
DVB
DigitalVideoBroadcasting
EPG
Electronic Programme Guide
HDD
HardDiskDrive
HDMI
HDMIisastandardforvideointerfacing;itcan
conveyamassiveamountofdigitaldata.Itmeans
it can easily support all HDTV standards.
HDTV
High-DenitionTelevision
JPEG
Averycommondigitalstillpictureformat.A
still-picture data compression system proposed
by the Joint Photographic Expert Group, which
featuressmalldecreaseinimagequalityin
spiteofitshighcompressionratio.Filesare
recognizedbytheirleextension“JPG”or
“JPEG”.
Lip Synchronization
Settingusedtosynchronizesoundandpictures
incaseadelayisexperienced,inparticularifthe
soundofspeechdoesnotmatchlipmovements.
MP3
Aleformatwithasounddatacompressionsystem.
“MP3”istheabbreviationofMotionPictureExperts
Group1(orMPEG-1)AudioLayer3.Byusingthe
MP3format,oneCD-RorCD-RWcancontain
about 10 times more data than a regular CD. Files
arerecognizedbytheirleextension“.mp3”.
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