Appendix
Additional Information
Terms
Dolby Digital
Dolby Digital provides multi-channel audio
from up to 5.1 independent channels. This is
the same as the Dolby Digital surround sound
system used in theaters.
Dolby Pro Logic B
Dolby Pro Logic B can create five full-band-
width output channels from two-channel
sources. This new technology enables a dis-
crete 5-channel playback with 2 front chan-
nels, 1 center channel, and 2 rear channels. A
music mode is also available for 2-channel
sources in addition to the movie mode.
DTS
This stands for Digital Theater Systems. DTS is
a surround system delivering multi-channel
audio from up to 6 independent channels.
Dynamic range control
Dolby Digital has a function for compressing
the difference between the loudest and softest
sounds: Dynamic range control. This control
ensures sounds with an increased dynamic
range are heard clearly even at low volume le-
vels.
Linear PCM (LPCM)/Pulse code
modulation
This stands for linear pulse code modulation,
which is the signal recording system used for
music CDs and DVDs. Generally, DVDs are re-
corded with higher sampling frequency and
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bit rate than CDs. Therefore, DVDs can provide
higher sound quality.
Optical digital output/input
By transmitting and receiving audio signals in
a digital signal format, the chance of sonic
quality deteriorating in the course of transmis-
sion is minimized. An optical digital output/
input is designed to transmit and receive digi-
tal signals optically.