A digital audio encoding system from Dolby that was first used in movie theaters in the mid-1970s. It recorded four channels of audio and provided a breakthrough re-introduction of the optical ...

A digital audio encoding system from Dolby that provides four channels. Derived from the Dolby Stereo technology used in movie theaters, Dolby Surround was introduced in the early 1980s for video ...

Before we get right to it, a bit of background. Essentially, Dolby is an audio compression technology – it makes sound like movie soundtracks, which is designed for vast rooms and huge ...

There's so many different buzzwords out there -- spatial audio, WiSA, eARC-- and yet there is one phrase that still looms large in people's minds: Dolby Atmos. The $399 Yamaha SR-B40A is a 2.1 ...