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E:\SEM_soowan(film)\J9050000_2662263112DDW900_US\2662263112\US05AMP_HT-
DDW900-U.fm
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HT-DDW900
2-662-263-11 (2)
Additional Information
Glossary
x Component video
A format for transmitting video signal
information consisting of three separate
signals: luminance Y, chrominance Pb, and
chrominance Pr. High quality pictures, such as
DVD video or HDTV pictures, are transmitted
more faithfully. The three jacks are color -
coded green, blue and red.
x Composite video
A standard format for transmitting video
signal information. The luminance signal Y
and chrominance signal C are combined and
transmitted together.
x Dolby Digital
Digital audio encoding/decoding technology
developed by Dolby Laboratories, Inc. It
consists of front (left/right), center, surround
(left/right) and sub woofer channels. It is a
designated audio standard for DVD-video and
also known as 5.1ch surround. Since surround
information is recorded and reproduced in
stereo, more realistic sound with fuller
presence is delivered than with Dolby
surround.
x Dolby Pro Logic II
This technology converts 2ch stereo recorded
audio into 5.1ch for playback. There is a
MOVIE mode for movies and MUSIC mode
for stereo sources such as music. Old movies
encoded in the traditional stereo format can be
enhanced with 5.1ch surround sound.
x Dolby Surround (Dolby Pro
Logic)
Audio processing technology developed by
Dolby Laboratories, Inc. Center and mono
surround information is matrixed into two
stereo channels. When reproduced, audio is
decoded and output in 4ch surround sound.
This is the most common audio processing
method for DVD-video.
x DTS Digital Surround
Digital audio encoding/decoding technology
for theaters developed by Digital Theater
Systems, Inc. It compresses audio less than
Dolby Digital, delivering a higher quality
sound reproduction.
x HDMI (High-Definition
Multimedia Interface)
Technology developed by modifying the
display connecting technology, DVI (Digital
Visual Interface), for AV equipment. This
interface can transmit video, audio, and
control signals in digital format.
x Sampling frequency
To convert analog audio to digital, analog data
should be quantified. This process is called
sampling, and the number of times per second
the analog data is quantified is called the
sampling frequency. A standard music CD
stores data quantified at 44,100 times per
second, which is expressed as a sampling
frequency of 44.1 kHz. Generally speaking, a
higher sampling frequency means better sound
quality.
Additional Information
US01COV_HT-DDW900-U.book Page 65 Thursday, December 15, 2005 4:08 PM