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A prototype for five-channel surround sound, then dubbed "quintaphonic sound", was used in the 1975 film Tommy. [6]5.1 dates back to 1976, [7] when Dolby Labs modified the track usage of the six analogue magnetic soundtracks on Todd-AO 70 mm film prints.
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).
The first 2.1 audio system from Bose to include a DVD player was the "3-2-1", released in 2001. [1] The "3-2-1 GS" model was introduced in 2003, named for its use of Bose "Gemstones" small speakers, which have two drivers pointing forward and one pointing to the side. [2] [3]
[59] [62] [63] The 2022 model M512a-H6 is a 5.1.2-channel sound bar. It has surround speakers that connect to a wireless sound bar and upfiring drivers have height cues for Dolby Atmos and DTS:X soundtracks, and has eARC support. [61] Elevate Series: Motorized height sound bars detect Dolby Atmos and DTS-X signals. [59] [60]
2 1–2.5: 0–+4 3 0.01–1: −20–0 ... Wireless control and communication between a mobile ... The standard has a lower minimum latency claim of 20–30 ms vs ...
AVRCP has several versions with significantly increasing functionality: [5] 1.0 — Basic remote control commands (play/pause/stop, etc.) [6] 1.3 — all of 1.0 plus metadata and media-player state support [7] The status of the music source (playing, stopped, etc.) Metadata information on the track itself (artist, track name, etc.).