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Description of terminology
L
C
R
Dolby Pro Logic
2
Number of recording
channels
4
Number of playback
channels
Front (L, R) + Centre +
Playback configuration
Surround
of channels
Matrix processing, Dolby
Sound processing
Surround
16 bits
Number of signal
processing bits
7 kHz
Surround Sound high-
frequency playback
limit
Dolby Pro Logic Surround:
This refers to the Dolby Surround sound decoder system which is used for movies.
L
C
R
Using 4 channels, the sound effects, dialog, sound direction, music, etc. are all repro-
duced more realistically. Dolby Pro Logic Surround makes the location and movement
of sounds much more natural than the original Dolby Surround system. You can enjoy
a realistic, powerful feeling like being at a live performance or as if you were at a movie
theater or in a concert hall. In order to enjoy this effect, you need at least one pair of
surround speakers.
Dolby Digital:
Dolby Digital
This is the new digital surround system that was created to reproduce theatre quality
stereophonic Dolby Surround sound at home. Films are now recorded using the 5.1
6
channel system. Dolby Digital can handle the original soundtrack without modification,
allowing you to enjoy the sound field created by the film maker at home.
6
Dolby Surround:
This is the encoding/decoding system for general-purpose Dolby Surround. When the
Front (L, R) + Centre +
sound from films recorded in Dolby Surround are reproduced, you will have the feeling
Surround (L, R) + Low
of being at a live performance, as if the action is taking place right in front of you.
frequency effects
Discrete processing, Dolby
LFE (Low Frequency Effect):
digital encoding/decoding
This refers to the special low-frequency sound effects used in Dolby Digital recordings.
20 bits
When a signal containing LFE encoding is played by this unit, "LFE" will appear in the
display.
20 kHz
PCM (Pulse Code Modulation):
This is a recording/transmission system used for digital audio signals. This unit can
handle sampling frequencies of 32 kHz, 44.1 kHz and 48 kHz.
Subwoofer:
The subwoofer is a special speaker used to emphasise bass sounds.
In Dolby Digital, this speaker reproduces the LFE signals as well as the low-frequency
signals being sent to the front, centre and surround speakers.
In Dolby Pro Logic, this speaker reproduces the low-frequency signals sent to the front
and centre speakers.
It also reproduces low frequency sounds from ordinary stereo recordings.
CD-DVD500H
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