5.1 Surround Sound for Home Theaters, TV Broadcasts, and Cinemas
Dolby® Digital (AC-3) is an industry-standard surround sound audio codec designed to deliver 5.1 channels of audio to many popular forms of entertainment including DVDs; Blu-ray Discs; cable, broadcast, and satellite TV programming; PCs; and even video games. An advanced encoding/decoding technology, Dolby Digital reproduces multichannel audio to deliver a cinematic audio experience.
See Dolby Digital Plus to learn about the latest surround sound audio codec.
As the established standard for home theater, broadcast, and cinema surround sound worldwide, Dolby Digital provides rich, enveloping sound that adds impact and realism both at the movies and in your home theater. In fact, every DVD as well as all HD broadcasts in the United States use Dolby Digital.
Dolby Digital Benefits
A worldwide standard in surround sound, compatible with millions of existing systems
Enables up to 5.1-channel surround sound for an enveloping audio experience
Compatible with devices featuring Dolby Digital Plus
Next-generation devices and new entertainment mediums have resulted in the evolution of Dolby Digital technology to enable increased efficiencies and scalability. The result is Dolby Digital Plus, a refined and enhanced form of Dolby Digital.
Are you a Dolby licensee or looking for more technical details? Learn more about Dolby Digital.
Dolby Digital Plus
Dolby Digital Plus provides all of the core functionality of Dolby Digital while adding new features that are critical to today’s content delivery mediums such as HDTV and online streaming, as well as devices such as tablets and smartphones.
Dolby Digital Plus decoders are designed to be playback compatible with your existing Dolby Digital media.