Philips DTR7510/05 - Manual (Page 51)

51 Glossary
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11 Glossary
Analogue audio
Sound that has not been turned into numbers.
Analogue sound is available from the LEFT/
RIGHT AUDIO outputs. The red and white
sockets send audio through two channels, the
left and right.
Aspect ratio
Aspect ratio refers to the length to height ratio
of TV screens. The ratio of a standard TV is 4:3,
while the ratio of a high-definition or wide TV is
16:9. The letterbox format allows you to enjoy a
picture with a wider perspective on a standard
4:3 screen.
Delay
The time difference between a sonic event and
its perception at the listening position. Use the
Lip Synchronization feature to cancel the delay.
De-scrambling/scrambled
Many TV channels are scrambled. To de-scramble
them you need specific smart cards provided by
different pay-TV providers.
Digital audio
Sound signal that has been converted into
numerical values. Digital sound is available
when you use the DIGITAL AUDIO OUT
COAXIAL. These sockets send audio through
multiple channels, instead of just two channels as
analogue does., Volume and mute are managed
by audio equipment.
Dolby Digital
A surround sound system developed by Dolby
Laboratories containing up to six channels of
digital audio (front left and right, surround left
and right, centre and subwoofer), Volume and
mute are managed by audio equipment.
DVB
Digital Video Broadcasting
EPG
Electronic Programme Guide
HDD
Hard Disk Drive
HDMI
HDMI is a standard for video interfacing; it can
convey a massive amount of digital data. It means
it can easily support all HDTV standards.
HDTV
High-Definition Television
JPEG
A very common digital still picture format. A
still-picture data compression system proposed
by the Joint Photographic Expert Group, which
features small decrease in image quality in
spite of its high compression ratio. Files are
recognized by their file extension “JPG” or
“JPEG”.
Lip Synchronization
Setting used to synchronize sound and pictures
in case a delay is experienced, in particular if the
sound of speech does not match lip movements.
MP3
A file format with a sound data compression system.
“MP3” is the abbreviation of Motion Picture Experts
Group 1 (or MPEG-1) Audio Layer 3. By using the
MP3 format, one CD-R or CD-RW can contain
about 10 times more data than a regular CD. Files
are recognized by their file extension “.mp3”.
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