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Digital sound and the 5.1 format were introduced in 1990, by Kodak and Optical Radiation Corporation, with releases of Days of Thunder and The Doors using the CDS (Cinema Digital Sound) format. When digital sound was applied to 35 mm release prints, with Batman Returns in 1992, the 5.1 layout was adopted. The ability to provide 5.1 sound had ...
Dolby Atmos home theaters can be built upon conventional 5.1 and 7.1 layouts. For Dolby Atmos, the nomenclature differs slightly by an additional number at the end, that represents the number of overhead or Dolby Atmos enabled speakers: a 7.1.4 Dolby Atmos system is a conventional 7.1 layout with four overhead or Dolby Atmos enabled speakers.
DTS-ES Discrete provides 6.1 discrete channels, with a discrete, mastered and recorded (non-matrixed) center-surround channel; in home theater systems with a 7.1 configuration, the two rear-center speakers play in mono, as does other decoders like the Creative DDTS-100, a standalone 7.1 channel decoder which includes support for up to 6.1 when ...
The DD+ extension bitstream is used on players that support it by replacing the rear channels in the 5.1 setup with higher fidelity versions, along with providing a possible channel extension to 6.1 or 7.1. The complete audio track is allowed a combined bitrate of 1.7 Mbit/s: 640 kbit/s for the AC-3 5.1 core, and 1 Mbit/s for the DD+ extension.
Whether home cinema enthusiasts have a stereo set-up or a 5.1 channel surround system, they typically use at least one low-frequency subwoofer speaker cabinet to amplify low-frequency effects from movie soundtracks and reproduce the deep pitches from the musical soundtrack. [22] [10]
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)
The audio channels in CDS were arranged in the same way that most current 5.1 systems with Left, Center, Right, Left Surround, Right Surround and LFE. Dick Tracy (1990) was the first film encoded with CDS. Not all films with CDS soundtracks used all 5.1 channels; some, such as Edward Scissorhands (1990), used only the 4 channels that were ...
The Harman Kardon AVR 245 audio/video receiver is the large unit on the bottom. On top of it is a Harman/Kardon DVD player and Samsung set-top box.. An audio/video receiver (AVR) or a stereo receiver is a consumer electronics component used in a home theater or hi-fi system.