We are a globally recognized innovator of sound, image, and voice technologies for cinemas, home theaters, PCs, mobile devices, and games.
Dolby Acquires Doremi
The Magic Inside Dolby
The Dolby Institute
The Dolby Theatre
Working at Dolby
Dolby in the Cinema
Be captivated by your favorite movies in Dolby sound.
Explore Dolby Atmos
Find a Theatre
Peter Jackson on the Importance of Sound
Dolby at Home
Transform your living room into a sophisticated home theater with amazing sound and true-to-life video quality.
Speaker Setup Guide
Creating a Home Theater
Dolby on the Go
Stellar sound quality. All of your favorite content. Wherever life takes you.
Experience Dolby Atmos
Transformers in Dolby Atmos
Dolby at Work
Improve productivity by transforming the conference call into an in-person meeting experience with Dolby Voice and the Dolby Conference Phone.
Dolby Conference Phone
Partners and Professionals
Find Dolby solutions, services, and support that can help you create more engaging products, content, and entertainment experiences.
PC and Mobile
Professional Audio Products Dealers
The Dolby E Decoder DP572 decodes Dolby E–encoded program material for use in broadcast and postproduction facilities prior to final DTV and HDTV transmission.
The Dolby® E Decoder DP572 was designed to ease the transition from two-channel to multichannel audio for DTV broadcasters and program producers. It decodes up to eight channels of high-quality audio, plus Dolby Digital metadata, from a Dolby E signal encoded on a single AES3 pair, external fiber, satellite link, digital videotape, digital audiotape, or from a video server.
It's easily integrated into your postproduction and broadcast facilities. The DP572 can accept both PCM and Dolby E signals, and it can switch automatically to provide seamless integration of multichannel and archived stereo programming.
Multichannel programming typically uses a "5.1 + 2" Dolby E configuration, with six of the eight channels carrying a 5.1 program and the other two an Lt/Rt (matrix surround-encoded) or stereo two-channel program. Alternate channel configurations are available for multilingual or other specialized applications.
The Dolby DP572 requires a standard video black reference signal. It can also be used in 24-frame applications when accompanied with the Dolby E Tri-Level Sync Interface DP579.
Dolby E provides the ability to carry up to eight channels of audio with metadata over existing stereo infrastructures.
Ensures that audio-follow-video edits are free of mutes, glitches, or other aberrations, so you can switch, route, and perform edits directly on the digital bitstream without decoding and reencoding
Provides up to eight channels and carries Dolby Digital metadata generated by the program’s producers for final delivery to the home viewer's Dolby Digital decoder
Lets you insert a voiceover into the decoded Dolby E program or insert local stereo audio without the need for additional equipment; automates switching between stereo and multichannel programming within a transmission chain
Indicate the configuration of the Dolby source signal, as well as output channel activity, video reference, main input, PCM delay, input data, and more
Log in to the Dolby Customer portal for help with your customer or partner account, or to read warranty and maintenance policies.
Send us your questions or feedback.
More Like This
Controlling Broadcast Loudness with Dolby Solutions
Control broadcast loudness problems and ensure a better listening experience with Dolby solutions.
Ensure that audiences enjoy a quality, accurate audio experience.
Find professional broadcast products to help you create, distribute, and transmit high-quality audio content.
Who We Are