Like a lot of home theater equipment, Dolby Atmos-enabled AVRs aren’t cheap, but you can pick up good models like the Onkyo TX-SR494 AV Receiver or the Sony STRDH590 5.2 Channel Surround Sound Home Theater Receiver for about $350. The most important piece of equipment is a Dolby Atmos-enabled audio-visual receiver (AVR.) With a little configuration, this device will detect how many speakers you have and use an Object Audio Renderer to relay audio objects through the most appropriate speaker.
Well the good news is, if you have an existing 5.1 or 7.1 (or more) surround sound system, you can modify your setup to be Dolby Atmos-enabled with just a few additions. Now you know what Dolby Atmos is, you’re probably wondering how you can enjoy this audio experience at home. Distant birdsong and conversations in a crowd, planes flying overhead, and explosions in action-packed sequences… With Dolby Atmos, all such individual elements can be manipulated to build the most immersive, detailed soundscapes. With Dolby Atmos, however, the helicopter – or rather the audio object that carries the sound of the helicopter – can rise or fall according to the relative height of the aircraft in relation to you and the Atmos AV receiver.ĭolby Atmos gives sound engineers in games, movies and other forms of entertainment incredible freedom to dedicate audio channels to specific objects that can be choreographed within a scene. If you take the example of a helicopter flying during a scene in a movie, with previous 5.1 or 7.1 setups the aircraft might be heard flying from behind you, past you and in front of you. These audio objects are untethered to fixed points within an environment and can instead move around the space according to the relevant action on screen. To reproduce truly accurate surround sound, Dolby Atmos treats individual sounds as ‘objects’. The vital addition of height channels differentiates a Dolby Atmos home setup from a standard 5.1 or 7.1 surround sound system.
Within a few years, it was made available to home theater setups and upended the traditional speaker setup of stereo, 5.1 and 7.1 with the addition of height channels that recreated sounds on the vertical plane, not just those at ear-level.
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