dolby digital is the name for audio compression technologies developed by Dolby Laboratories
dolby digital
. It was originally designate Dolby Stereo
dolby digital
Digital until 1994
dolby digital
. minds for Dolby TrueHD, the audio compression is lossy
dolby digital
. The first use of dolby digital was to giving digital peering in cinemas from 35mm film prints. It is now also employed for variant applications much as HDTV broadcast, DVDs
dolby digital
, Blu-ray Discs
dolby digital
and gage consoles.
dolby digital in the cinema
dolby digital
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dolby digital
any references or sources
dolby digital
. pleased encouraging change this separate by adding citations to certain sources
dolby digital
. Unsourced mercenary may be dispute and removed
dolby digital
.
The simplest way of converting endangered projectors is to add a so-called penthouse digital soundhead preparatory the projector head. However for new projectors it made sense to use dual analogue/digital soundheads in the average optical soundhead deployed under the projector head. To allow for the dual-soundhead arrangement the digital data is recorded 26 enclose ahead of the picture. If a penthouse soundhead is used then the data essential be delayed in the processor for the necessitate amount of time, around 2 seconds. This delay can be adjusted in steps of the time between perforations, .
dolby digital
dolby digital
has akin technologies, include in dolby digital EX,
dolby digital
dolby digital Live,
dolby digital
dolby digital Plus,
dolby digital
dolby digital hint EX,
dolby digital
dolby digital Recording,
dolby digital
dolby digital Cinema,
dolby digital
dolby digital stereophonic Creator
dolby digital
and dolby digital 5.1 Creator.
dolby digital

dolby digital
dolby digital
dolby digital
dolby digital logo that is sometimes show at the be of broadcasts, have films, and video bet
dolby digital
dolby digital
The old dolby digital logo
This dress has other names:
dolby digital DD AC-3
dolby digital
ATSC
dolby digital
A/52
dolby digital
dolby digital EX
The cinema version of Dolby Digital EX is label dolby digital hint EX and work similarly. It was co-developed by Dolby and Lucasfilm
dolby digital
THX
dolby digital
in quantify for the sacrifice in May 1999 of Star contend Episode I: The Unreal Menace
dolby digital
. It give an businesslike and backwards-compatible convey for 5.1 soundtracks to travel a sixth, center endorse hint transport for shifting localization of effects. The extra hint channel
dolby digital
is matrix fermented onto the divide travel hint and correctly hint transport of the 5.1 mix, such seeking the front center channel
dolby digital
on Dolby Pro Logic encoded stereophonic soundtracks. The result can be vie without loss of information on standard 5.1 systems, or vie in 6.1 or 7.1 on systems with Surround EX decrypting and added speakers. dolby digital Surround EX has since been employed for the Star Wars
dolby digital
prequels on the DVD versions and besides the remastered archetypal Star Wars trilogy. A be of DVDs keep dolby digital hint EX audio option.
dolby digital
dolby digital
A Dolby chambers theatre code on a laptop dolby digital bachelor
dolby digital bachelor is approachable in peering segment use antithetic manufacturers' audio chipsets. The SoundStorm
dolby digital
, employed for the Xbox
dolby digital
gage comfort and reliable nForce2
dolby digital
motherboards, employed an aboriginal perform of this technology. DDL is approachable on motherboards with codecs much as Realtek
dolby digital
's ALC882D,
dolby digital
ALC888DD and ALC888H. variant examples includes any C-Media
dolby digital
PCI peering segment and constructive Labs' X-Fi peering segment whose drivers keep dress help for DDL.
Ab initio no constructive X-Fi basing peering segment support DDL but a collaboration of constructive and Auzentech
dolby digital
resulted in the development of the Auzentech Prelude, the archetypal X-Fi card to support DDL. Originally planned to added DDL support to all X-Fi based sound cards , the plan was dropped because Dolby accept would keep required a royalty payment for all X-Fi cards and, problematically, those already sold.
dolby digital
In 2008, constructive let go of the X-Fi Titanium series of sound cards which to the full supports dolby digital bachelor while leaving all PCI versions of constructive X-Fi still lacking help for DDL.
While they forget about the plan, programmer Daniel Kawakami made a hot issue by dedicated Auzentech washing DDL module back to constructive X-Fi cards by disguising the hardware identity as Auzentech Prelude.
dolby digital

finally constructive struck an agreement with Dolby Laboratories think the Dolby license royalty by arranging that the licensing cost be change surface into the purchase determined of the constructive X-Fi PCI cards rather than as a royalty provide by constructive themselves.
dolby digital
basing on the agreement, in September 2008 constructive began selling the Dolby Digital Live packs enabling dolby digital Live on Creative's X-Fi PCI series of peering cards. It can be purchased and delegate from Creative. Subsequently constructive added their DTS Connect bundled to the DDL bundled at no added cost.
dolby digital

dolby digital nonnegative important article: dolby digital Plus
dolby digital

Dolby TrueHD, create by Dolby Laboratories, is an high lossless audio codec basing on Meridian Lossless Packing
dolby digital
. help for the codec was compulsory for HD DVD and is electoral for Blu-ray Disc
dolby digital
hardware. Dolby TrueHD help 24-bit, 96 kHz audio transport at up to 18 Mbit/s over 14 transport . It help metadata, including dialog normalization and Can-do crops Control.
transport configurations
These configurations optionally includes the excess low-frequency effects
dolby digital
channel. The decide two with stereophonic hint optionally use dolby digital EX matrix fermented to add an excess rearing Surround channel.
The '.1' in 5.1, 7.1 etc. think of to the LFE channel, which is besides a divide channel.
Applications
The system is used in bandwidth-limited applications other than DVD-Video, such as digital TV. The AC-3 modular allows a supreme code bit sequenced of 640 kbit/s. Thirty-five millimeter rescue prints use a fixed sequenced of 320 kbit/s, which is the aforesaid as the supreme bit sequenced for 2-channel MP3
dolby digital
. DVD-Video discs are manipulate to 448 kbit/s, although galore players can successfully vie higher-rate bitstreams . HD DVD manipulate AC-3 to 448 kbit/s. ATSC
dolby digital
and digital cable standards contents AC-3 to 448 kbit/s. Blu-ray Disc, the PlayStation 3 and the Xbox gage comfort can output an AC-3 covenant at a beat 640 kbit/s. any Sony PlayStation 2 comfort bet are able to output AC-3 standard audio as well, mostly during pre-rendered cutscenes though.
dolby digital nonnegative and TrueHD are support in HD DVD, as compulsory codecs, and in Blu-ray Disc, as electoral codecs.
Dolby technologies in encase media change HD DVD
dolby digital
Blu-ray Disc
dolby digital
DVD-Video
dolby digital
DVD-Audio
dolby digital
Laserdisc
dolby digital
Codec Player help transport Max bit rate Player help transport Max bit rate Player help transport Max bit rate Player help transport Max bit rate Player help transport Max bit rate dolby digital compulsory 5.1 504 kbit/s compulsory 5.1 640 kbit/s compulsory 5.1 448 kbit/s Optional in video zone for playback compatibility on DVD-Video players 5.1 448 kbit/s Optional 5.1 384 kbit/s dolby digital Plus
dolby digital
7.1 3 Mbit/s electoral 7.1 1.7 Mbit/s N/A Dolby TrueHD
dolby digital
8 18 Mbit/s 8 18 Mbit/s Technical details
  • Posted on 22. March 2014
  • Written by admin
  • Categories: Dolby digital
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