• Dolby Digital Plus
    Surround Sound Anywhere, Everywhere

    Dolby Digital Plus is the end-to-end audio solution that delivers a multiscreen entertainment experience the way the content creator intended across the widest range of devices.

    Dolby Digital Plus Benefits

    • Always Hear What the Director Intends

      TV and movie producers use Dolby® technology when creating their original audio mix. You can count on Dolby to deliver every note and nuance just as the content creator intended, wherever you watch and listen.

    • Premium Mobile Audio Quality

      Dolby surround sound improves the entertainment experience on all your mobile devices. Dolby audio adds depth and power for realistic sound through your headphones and device speakers. You'll hear clearly, even in loud and busy environments, and enjoy premium sound with your movies, games, and music—anywhere, anytime.

    • Get the Most from Blu-ray Soundtracks

      Dolby Digital Plus™ provides up to 7.1 discrete channels. It also powers the interactive BonusView™ and BD-Live™ features on Blu-ray Discs. Hear streamed director's commentary, alternate dialogue, or alternative language soundtracks.

    • The Sound of HDTV

      Dolby Digital Plus is based on core Dolby Digital technologies, the established standard for cinema, broadcast, and home theater surround sound. The leading online services have chosen Dolby Digital Plus for their premium programming.

    Hear how Dolby Digital Plus enhances the flying fish scene in Life of Pi.

    Consistent Quality on Every Device

    Dolby Digital Plus is a unifying audio technology that brings vibrant, high-quality surround sound to all your electronic entertainment. Whether you're watching movies, TV shows, online videos, or concerts, Dolby Digital Plus assures that you'll always get consistent audio quality.

    Dolby Digital Plus incorporates our latest and most advanced algorithms. It uses both psychoacoustic and cognitive models of audio perception, based on our more than four decades of research into how people experience sound.

    Core Benefits

    • Up to 7.1 discrete channels of surround sound
    • Full interactive support for Blu-ray™ BonusView and BD-Live
    • Consistent Dolby cinema-style audio across all media
    • Compatible with all Dolby Digital systems

    Additional Benefits for Mobile Devices

    When incorporated into a mobile device, Dolby Digital Plus adds postprocessing technologies that dramatically improve your device's audio capabilities and your whole entertainment experience. Devices with Dolby Digital Plus have been specifically tuned so that even built-in speakers deliver natural, louder, distortion-free sound.

    • Download your files or streaming videos faster and more reliably.
    • Experience surround sound through your headphones or built-in speakers with the Surround Virtualizer.
    • Hear every word with the Dialogue Enhancer.
    • Keep the volume constant across all your content and applications with the Volume Leveler.
    • Connect your device directly to a home theater for a full surround sound experience with Dolby Digital Pass-Through.


    Changing the Sound of Mobile

    Dolby Digital

    Discover the industry standard for all US HD broadcasts and DVDs.

    Professionals and Dolby Digital Plus

    Dolby Digital Plus empowers content creators, developers, sound engineers, distributors, and device manufacturers to provide a cinema-like listening experience to audiences everywhere.

    Content Creation

    Dolby Digital Plus will help you tell your story the way you want, with the assurance that your audience will hear what you intended.


    Dolby Digital Plus facilitates efficient distribution to the widest range of devices for broadcasters, operators, and OTT providers.

    Device Manufacturers

    Manufacturers rely on Dolby Digital Plus so their users can experience the full emotional range of their entertainment anywhere.