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Dolby Surround 7.1 (sometimes called Dolby 7.1 surround sound) is a sound system by Dolby Laboratories which delivers theatrical 7.1 surround sound to movie-goers. It is the most recent addition to a family of audio compression technologies developed by Dolby known as Dolby Digital .
[1] [2] In addition, with the advent of Dolby Pro Logic IIz and DTS Neo:X, 7.1 surround sound can also refer to 7.1 surround sound configurations with the addition of two front height channels (LH and RH) positioned above the front channels or two front wide channels positioned between the front and surround channels. [3] [4]
Dolby AC-4 can have up to 5.1 core audio channels which all Dolby AC-4 decoders are required to decode. [1] Additional audio channels may be encoded as side signals which Dolby AC-4 decoders can optionally support which would allow for the delivery of 7.1.4 channel audio. [1]
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.
16.2 channel surround sound. Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener (surround channels).
Dolby AC-3 (a backronym for Audio Codec 3, Advanced Codec 3, or Acoustic Coder 3), also known as ATSC A/52 (name of the standard) [18] or simply Dolby Digital (DD), is the common version containing up to six discrete channels of sound. Before 1996 it was marketed as Dolby Surround AC-3, Dolby Stereo Digital, and Dolby SRD. [19]
The Apple TV app brings compatibility to the Apple TV Channels service. This update also fixes some security flaws found in Apple TV Software 7.2.2 and earlier. [137] On September 24, 2019, Apple TV Software 7.4 (iOS 8.4.3) was released to the public. [138] On March 24, 2020, Apple TV Software 7.5 (iOS 8.4.4) was released to the public. [139]
Critics praised the first-generation Chromecast's simplicity and potential for future app support. The Google Cast SDK was released on February 3, 2014, allowing third parties to modify their software to work with Chromecast and other Cast receivers. By May 2015, more than 1.5 billion stream requests had been initiated and over 20,000 Cast ...