Xoro HTL2722W Manuel D'emploi page 109

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GLOSSARY
5.1
5.1-multichannel encoding means, that 5 audio channels with full frequency response are
present (left, center, right, surround left, surround right) plus a subwoofer channel
(represented by the „.1") providing deep humming frequencies you are used to know from
® ®
modern cinemas. Both Dolby Digital and DTS support 5.1-coding and –decoding.
CD
A CD (Compact Disc) is a metal-coated plastic disc. It has a diameter of 12 cm and a
thickness of anout 1,2 mm. It was developed by Sony and Philips in 1985. The advan-
tages are digital storage of music enabling very natural sound reproduction. Beyond this,
the data is stored more compact, the handling is easy. The long lifetime of the media and
the fact that usage does not decrease quality made the CD the ideal storage media.
In the meantime, 12 different storage media have been developed from the first CD. The
mostly used are CD-DA (Compact Disc - Digital Audio) , CD-ROM (Compact Disc - Read
Only Memory), and the DVD (Digitale Versatile Disc).
One can store about 74 to 80 minutes of music on a CD (-DA). This is equal to 650 to 700
MB
Signal transmission is performed touchless with a laser beam. The CD is being read from
the middle to the outer side. The data or music is recorded in a spiral from the middle to
the outer side.
A CD has pits and lands, the distance is about 1,6 mm. The laser light created by a laser
diode passes different mirrors and prisms and then is focused by a lens to a laser beam.
This laser beam scans the data spiral of the CD. On the pits, the laser beam is reflected in
another direction and is detected by a photocell. The photocell transmits the signal to a
microprocessor which converts the digital data to an audio signal. The rest is done by the
sound system.
CVBS
Composite Video Interface. The video signal is transmitted via a single signal line. CVBS
should only be used, if your playback device does not offer other interfaces for connection
with you Xoro TV set, as CVBS due to technical reasons delivers worst quality of all avail-
able interfaces (please also refer to YUV, S-Video, SCART and RGB). The CVBS inter-
face can easily be identified from the yellow color of the RCA jack.
TM
DivX
TM
DivX is a new high quality video codec which is based on MPEG-4 standard and com-
bined with MP3 audio. Originally, the DivX-Codec was a Microsoft codec (MPEG-4 v3).
The official codec only used ASF format (no AVI) or WMV format with Windows Media
Encoder 7. The official codec had a bitrate limit which was removed on DivX.
On the next stage of development, the codec was developed completely new and is now
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