• Dolby Pro Logic IIx

    Dolby Pro Logic IIx expands stereo or 5.1-channel audio to 6.1- or 7.1-channel sound, and lets you customize audio playback with listening modes designed specifically for movies, music, and games.

    • Closer to Real Life

      By expanding your listening environment with 6.1 or 7.1 channels of sound, Dolby® Pro Logic® creates a seamless, natural soundfield and a more realistic audio experience.

    • Customize the Sound

      Select a listening mode—Movie, Music, or Game—to adjust the audio playback for the best possible sound, no matter what your choice of entertainment.

    • The Director’s Intent

      Movie mode decodes movie soundtracks with the same audio mixing format used to encode most movie surround soundtracks, so you get the audio that the director intended.

    • In the Middle of the Action

      Game mode adds impact to video games by reproducing full-range special effects to your surround channels.

    • From Stereo to Surround

      Music mode produces natural and balanced surround sound from stereo content.

    Expand Your Surround Sound with Dolby Pro Logic IIx

    If you have a 6.1- or 7.1-channel home theater, you know how much difference having a full complement of speakers can make in providing realistic and completely enveloping entertainment.

    But a lot of content is available only in stereo or 5.1-channel mixes.

    To enjoy the most expansive surround sound possible, you need Dolby Pro Logic IIx. It takes stereo and 5.1 content—your favorite movies, concert videos, TV shows, and games—and transforms them to take full advantage of your home theater system.

    Working behind the scenes to improve your listening experience, Dolby Pro Logic IIx:

    • Enriches surround envelopment
    • Enhances spatial depth
    • Improves directionality
    • Provides a larger "sweet spot"

    Three Modes to Control the Audio Experience

    Dolby Pro Logic IIx also introduces three listening modes—Movie, Music, and Game—so you can to tailor the audio to match the content and your preferences.

    Music mode adds three audio controls that are especially useful for stereo (two-channel) content:

    • Dolby Center Width lets you adjust the balance of the main vocals in the center and front channels for more natural sound.
    • Dolby Panorama creates a seamless, wraparound surround effect.
    • Dolby Dimension lets you adjust for a deeper or shallower surround soundfield to fit your listening environment.

    Dolby Pro Logic IIx for Professionals 

    Dolby Pro Logic IIx delivers 6.1- and 7.1-channel surround sound from both stereo and 5.1-channel content. The result: a consistent and compelling surround experience no matter what source and content the listener selects. 

    Equipment Manufacturers 

    Offer consumers an easy way to experience state-of-the-art surround sound on all their entertainment, even stereo content, with Dolby Pro Logic IIx. 

    Dolby Pro Logic IIx extends the original Dolby Pro Logic II matrix decoding technology, which derives 5.1 surround from stereo programming, to derive 6.1- or 7.1-channel surround from both stereo and 5.1-channel content. 

    Upgrade the Home Theater Experience 

    • Products with Dolby Pro Logic IIx technology let listeners add more surround channels with a convenient upgrade. 
    • With three listening modes, listeners can tailor the audio to their preferences for movies, music, and games. 
    • Music mode adds listener controls to adjust vocals across the front and set a deeper or shallower surround soundfield. 
    • Dolby Pro Logic IIx is available under license in DSP and IC solutions that also implement a variety of surround options, including Dolby Digital 5.1.

    Dolby Digital Plus: Surround Sound Anywhere, Everywhere

    Dolby Digital Plus™ delivers a definitive surround sound experience for all your devices from home theaters to smartphones.