Pioneer LX03, Руководство по эксплуатации

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Additional information 14
72
En
Surround sound formats
Below is a b r ief desc r i p tion of the main
su rr ound sound fo r mats you’ll find on DVDs,
satellite, cable and te rr est r ial b r oadcasts, and
video cassettes.
Dolby
The Dolby technologies a r e ex p lained below.
See www.dolby.com fo r mo r e detailed
info r mation.
Dolby Digital
Dolby Digital is a multichannel digital audio
coding system widely used in cinemas, and in
the home fo
r DVD and digital b r oadcast
soundt r acks. It can delive r u p to six disc r ete
audio channels, com pr ising five full r ange
channels and a s p ecial LFE (low f r equency
effects) channel used mainly fo r dee p ,
r umbling sound effects; hence the te r m “5.1-
channel” Dolby Digital.
In addition to the fo r mat featu r es above, Dolby
Digital decode r s offe r downmixing fo r
com p atibility with mono, ste r eo and Dolby P r o
Logic audio f r om a numbe r of bit r ates and
channels. Anothe r featu r e, called Dialog
No r malization, attenuates pr og r ams based on the
ave r age level of dialog in a pr og r am r elative to its
p eak level (also known as Dialno r m) in o r de r to
achieve unifo r m p layback level.
Dolby Pro Logic II and Dolby Surround
Using the innovative “stee r ing logic” ci r cuit,
this system ext r acts su rr ound sound f r om
sou r ces as follows:
• Dolby Pro Logic – 4.1 channel sound
(mono su rr ound) f r om any ste r eo sou r ce
• Dolby Pro Logic II – 5.1 channel sound
(ste r eo su rr ound) f r om any ste r eo sou r ce
With two channel sources, the “.1” subwoofer
channel is generated by bass management in
the receiver.
Dolby Su rr ound is an
encoding
system which
embeds su rr ound sound info r mation within a
ste r eo soundt r ack, which a Dolby P r o Logic
decode r can then use fo r enhanced su rr ound
listening with g r eate r sound detail.
Manufactured under license from Dolby
Laboratories. Dolby, Pro Logic, and the double-D
symbol are trademarks of Dolby Laboratories.
DTS
The DTS technologies a r e ex p lained below. See
www.dtstech.com fo r mo r e detailed
info r mation.
DTS Digital Surround
DTS Digital Su rr ound is a 5.1-channel audio
coding system f r om DTS Inc. now widely used
fo r DVD-Video, DVD-Audio, 5.1 music discs,
digital b r oadcasts, and video games. It can
delive r u p to six disc r ete audio channels,
com pr ising five full r ange channels, including
an LFE channel. Highe r sound quality is
achieved th r ough the use of a low com pr ession
r ate, and high r ates of t r ansmittance du r ing
p layback.
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