Yamaha HTR-5750 Owner's Manual page 68

Audio formats
• Dolby Digital
Dolby Digital is a digital surround sound system that gives
vou completely independent multi-channel audio. With 3
horn channels Itch, center. and right). and 2 surround
stereo
channels. Dolby , Digital provides 5 lull-range audio
channels. With an additional channel especially for bass
effects. called LEE Its frequency effect), the system has
a total of 5.1-channels
USE
is counted as 0.1 channel). By
using 2-channel stereo lot the sun (Gild speakers. more
accurate moving sound effects and sufround sound
environment are possible than with Dolby Surround. the
wide dynamic range (from maximum to minimum
volume) reproduced by the 5 full-range channels and the
immerse sound
iwiemation ijenermed
using digital sound
processing provide listeners with previously unheard of
excitement and realism.
With this unit, any sound environment from monaural up
to a 5.1-channel configuration can he freely selected for
your enjoyment.
• Dolby Digital EX
Dolby Digital EX creates 6 full-bandwidth output
channels from 5.1-channel sources. I his is done using it
matrix decoder that derives 3 surround channels from the
2 in
the original recording. For the best results. Dolby
Digital EX should be used with movie sound tracks
recorded with Dolhy Digital Surround EX. With this
additional channel. you can experience more dynamic and
realistic moving sound especially with scenes with
-
flyover" and - fly-around - effects.
• Dolby Pro Logic II
Dolby Pro Logic II is an improved technique used to
decode vast numbers of existing Dolby Su rotund software.
This new technology enables a discrete 5-channel
playback with
2 front left and right channels. I
center
channel. and 2 surround left and right channels (instead of
in Lv I
surround channel
for conventional Pro Logic
technology). Music and Game modes are also available tor
2-channel sources in addition to the Movie mode.
• Dolby Pro Logic Ilx
Dolby
Pro
Logic I lx is a new technology enabling discrete
multi-channel playhack from 2-channel or multi-channel
somees. Theff is a Music inode fin music, a Movie mode
or movies (for 2-channel sources only land a Game mode
for
games.
• Dolby Surround
Dolby Surround uses a 4 channel analog recording system
to reproduce realistic and dynamic sound effects: 2 front
left mix] right channels (stereo), a center channel for
dialog
( monaural), and a surround channel for special sound
effects I monaural I. The surround channel reproduces
sound within a narrow frequency range.
Dolby Surround is widely used with nearly all video tapes
and laser discs, and in many TV and cable broadcasts as
well. I he Dolby Pro logic decoder built into this unit
cmplos s digital signal processing
system that
iiutotutttcally stabilizes the volume on each channel to
enhance moving sound effects and directionality.
• DTS 96/24
96/74 oilers An
unprecedented level oil audio quality
for multi-channel sound on
DVD-Video. kind is bully
hackw ard-compatible with rill DTS decoders. "96 - refers
to a 96 kHz siimpling rate (compared to the typical 48 kHz
sampling rater. - 24 - refers to 24-bit word length. DTS 96/
24 offers sintnil quality transparent to the
original 96/24
muster. and 96/24 5.1-channel sound with full-quality full-
motion video for music programs mid Motion piCture
soundtracks on DVD-video.
• DTS (Digital Theater Systems)
Digital Surround
VI - S
\1111011Ild
was developed to replace the analo&i
soundtracks of mos ies \sill) a 6-channel digital sound
track,
and is now rapidlr gaining popularity in movie
theaters around the world. Digital Theater Systems Inc.
has deyeloped a home theater system so that you can enjoy
the depth of sound and natural spatial representation of
DI S digital surround in your home. This system
produces
practically. distortion-free 6-channel sound (technically. a
Lift, tight :mil center channels. 2 surround channels, plus
an
LEL 11.1 channel as a sal-us:0°1er, for
a
total of 5.1
-
channels tI he unit incorporates a DTS -ESdecoder that
enables 6.1 - channel reproduction by adding the surround
hack channel to existing 5.1-channel format.
• Neo:6
decides the conventional 2-channel sources
channel play hack by the
specific
decoder.
It enables
playback with the full-range channels with higher
separation just like digital discrete
signal playback. Two
modes are mailable: - Music mode - for
playing music
sources and
"Cinema mode - for movies.
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