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Dolby TrueHD is a lossless, multi-channel audio codec developed by Dolby Laboratories for home video, used principally in Blu-ray Disc and compatible hardware. Dolby TrueHD, along with Dolby Digital Plus (E-AC-3) and Dolby AC-4, is one of the intended successors to the Dolby Digital (AC-3) lossy surround format.
Digital TV service, Digital Radio, Internet streaming Yes AAC-LD/AAC-ELD MPEG-4 SLS: Yes FairPlay (.m4p only, discontinued) AC-3: Dolby Laboratories: 1992 ATSC A52:2018 Free DVD players, digital television, Camcorder: FFmpeg, liba52 (decoding only), Aften (encoding only), libavc (2.0 channels max)
Although commonly associated with the 5.1 channel configuration, Dolby Digital allows a number of different channel selections. The options are: Dolby Digital 1/0 – Mono (center only) Dolby Digital 2/0 – 2-channel stereo (left + right), optionally carrying matrixed Dolby Surround; Dolby Digital 3/0 – 3-channel stereo (left, center, right)
Digital 3D is only supported at the container format level in Matroska, [41] MXF [43] and WebM (some stereo modes). [39] M2TS supports Digital 3D as multiple files in a specific file structure for encoding stereoscopic video: MVC stereoscopic data is in .ssif files in the /BDMV/STREAM/SSIF/ directory and require a respective base .m2ts file.
Cinema 5.1 surround formats include Dolby Digital and DTS. Sony Dynamic Digital Sound (SDDS) is an 8-channel cinema configuration that features 5 independent audio channels across the front with two independent surround channels, and a Low-frequency effects channel.
Dolby Digital (AC3, ATSC A/52, ETSI TS 102 366) FFmpeg; liba52 (decoder only) Dolby Digital Plus (E-AC-3, ATSC A/52:2012 Annex E, ETSI TS 102 366 Annex E) FFmpeg; DTS Coherent Acoustics (DTS, Digital Theatre System Coherent Acoustics, ETSI TS 102 114) FFmpeg; libdca (decoder only) Dolby AC-4 (ETSI TS 103 190) Impala Blackbird audio codec; ITU ...
A more expensive home cinema set-up might include a Blu-ray disc player, home theater PC (HTPC) computer or digital media receiver streaming devices with a 10-foot user interface, a high-definition video projector and projection screen with over 100-inch (8.3 ft; 2.5 m) diagonal screen size (or a large flatscreen HDTV), and a several-hundred ...
Dolby Digital Plus is also optimized for limited data-rate environments such as Digital broadcasting. Dolby Digital Live is a real-time hardware encoding technology for interactive media such as video games. It converts any audio signals on a PC or game console into the 5.1-channel Dolby Digital format and transports it via a single S/PDIF ...