Now that we’ve provided a basic understanding of what each technology is, let’s dive into how they both work.ĭolby Atmos is a highly sophisticated audio standard for your home theater system that requires special speakers to work.

Unlike Dolby Atmos, Dolby Digital doesn’t require height or upward-firing speakers to work because all channels are meant to be played through your front, center, and surround sound speakers which you have already set up from previous home theater setups. It’s a fairly old technology as it was first introduced back in 1997 but is still being used today because of its standardization for high-quality audio amongst the industry. What is Dolby Digital?ĭolby Digital is a surround sound technology that is also found on Blu-ray discs and 4K Ultra HD Blu-rays. This technology fills your room with sounds all around you regardless of where they’re coming from it truly makes you feel like you’re inside a movie theater. On some A/V receivers, you can also find height channels as well (these speakers will fire upwards but not necessarily from the ceiling).

It was first introduced back in 2012 by Dolby Laboratories and has since then become a standard for the latest home theater receivers and soundbars.ĭolby Atmos is meant to be played back with overhead or upward-firing speakers which create an immersive 3D effect on your home theater system. What Is Dolby Atmos?ĭolby Atmos is a surround sound technology found on Blu-ray discs and 4K Ultra HD Blu-rays that boosts the dynamic range and use of surround sound speakers. To do so, we’re going to compare their differences, specifications, and how these two technologies affect movie playback in your home theater.įirst, though, let’s start by going over what each technology is and where you’ll be able to find it. In this article, we’re going to provide a detailed comparison between both technologies. Some are now wondering if they should upgrade to a home theater receiver that supports only Dolby Atmos or one that also has Dolby Digital as well. A lot of people have been asking questions regarding the difference between Dolby Atmos and Dolby Digital.

Dolby digital plus vs dolby atmos