Dolby® Digital Plus extends the capabilities of Dolby Digital, optimizing sound quality and efficiency for a richer, more compelling audio experience.
Delivers scalable sound, optimizing quality and efficiency for the available bandwidth
Supports a wide range of existing and emerging home theater, broadcast, streamed content, and mobile applications
Provides up to 7.1 channels of surround sound for a more involving experience and dramatic special effects
Includes compatibility with millions of existing playback systems
Dolby Digital Plus is a versatile digital audio coding technology that extends the capabilities of Dolby Digital. Dolby Digital Plus delivers up to 7.1 channels of surround sound, with scalable sound delivery and a wide range of bit rates ensuring optimized sound quality and efficiency for the available bandwidth. These advances are just a few reasons why Dolby Digital Plus delivers a more enveloping audio experience for existing and emerging applications, including new digital broadcast TV formats, Internet-delivered audio, and high-definition video discs.
Dolby Digital Plus for Broadcast
By delivering increased efficiency that enables lower bit rates, support for up to 7.1 channels, and advanced services like bitstream mixing, Dolby Digital Plus gives broadcasters the flexibility they need to create a high-quality audio experience for existing and next-generation applications. Read more about Dolby Digital Plus for broadcast applications.
Dolby Digital Plus also supports secondary audio applications for interactive BonusView™ and BD-Live™ content on Blu-ray Disc™.
Why Dolby
With more channels, less compression, and higher bit rates, Dolby Digital Plus helps content producers differentiate their products by delivering a sound experience that some reviewers have described as being “virtually transparent” to the original source.
Delivers up to 7.1 channels of surround sound from Blu-ray Disc players
Enables up to 13.1 channels of dynamic sound to support new and emerging content delivery formats
Supports interactive Blu-ray Disc features: BonusView, an embedded picture-in-picture option that mixes multichannel secondary audio and video content, and BD-Live, which displays content streamed from the Internet
Allows single-cable connection and full application of the A/V receiver’s digital signal processor (DSP) postprocessing and bass management via HDMI™ 1.3 data transport
Includes complete metadata support and backward compatibility with existing home theaters