Dolby® Digital Plus™ extends the capabilities of Dolby Digital, optimizing sound quality and efficiency for a richer, cinematic audio experience.
Delivers scalable sound, optimizing quality and efficiency for 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 cinematic 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 cinematic 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 Over-the-Top (OTT) Streaming
A new era in home entertainment has arrived. Consumers increasingly stream online content to their living room systems—and they expect the same high-quality surround sound they get from HD broadcast and packaged media. Dolby Digital Plus offers the best way to deliver this solution. It’s fully compatible with existing A/V entertainment systems and has the flexibility to adapt to any bandwidth delivery requirements.
Learn about the advantages of Dolby Digital Plus for streamed entertainment. (PDF)
Dolby Digital Plus for Home Theater
Dolby Digital Plus takes the home theater surround sound experience to the next level by enabling Blu-ray Disc™ and other digital formats to deliver more channels, less compression, and higher data rates.
Dolby Digital Plus also supports secondary audio applications for interactive BonusView content on Blu-ray Disc.
With more channels, less compression, and higher bit rates, Dolby Digital Plus helps equipment manufacturers and 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