The Dolby® Digital Plus Pro SDK supports Dolby's surround sound technology that delivers high-quality digital audio for up to 7.1 discrete channels. This standard is also known as E-AC-3. Dolby Digital Plus Pro is the sound for DVD’s successor Blu-ray Disc and the interactive formats BD-Live and BonusView, where additional content is streamed to you Blu-ray Disc device while watching content from an inserted disc, such as trailers, background comments, interactive games or other exclusive features. It offers a significant better quality in comparison to a similar bitrate when using other Dolby Digital technologies. It is the upcoming standard for HDTV channels transmission, IPTV solutions, A/V system support etc. It will be one of the major standards for satellite, cable and broadcast content delivery in the near future. Although Dolby Digital Plus Pro is a relatively new standard, the underlying base is the ATSC A52 Revision B specification. It is backward compliant to other Dolby Digital decoders.

The Dolby Digital Plus Pro SDK features the renowned Evolution Framework and Intelligent Loudness Correction to fulfill Dolby’s requirements for proper metadata processing.


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Dolby Digital Plus Consumer SDK



➦ AVC/H.264 SDK

➦ HEVC/H.265 SDK

Key Features


Combined AC-3 and EAC-3 Support

The MainConcept Dolby Digital Plus Pro SDK components support both Dolby Digital (AC-3) as well as Dolby Digital Plus (EAC-3) audio for encoding and decoding.


Built-In Transcoding Functionality

Current Dolby Digital Plus Pro SDK comes with the new Dolby transcoding functionality that allows users to transcode EAC-3 and AC-3 audio to any other supported Dolby audio format (AC-3 or EAC-3) and keep the meta-meta that is available in the stream. User still have the opportunity to access the PCM data directly.


Support for up to Eight Channels Surround Sound

Encoding and decoding for different channel layouts ranging from mono, stereo, 5.1 up to 7.1 for the perfect Dolby audio experience.


Evolution Framework Support for Encoding & Transcoding

Making use of Dolby’s Evolution Framework in the AC-3 and E-AC-3 Encoder and Transcoder libraries for loudness processing to perform appropriate loudness metadata authoring. This enables Intelligent Loudness management for any Dolby stream.

MainConcept Dolby Digital Plus Pro SDK Data Sheet

Detailed information and feature set overview of the available packages and their included components.

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Licensable Products

Dolby Digital Plus Pro SDK Dolby Digital Plus Pro Encoder & Decoder with AC-3 and E-AC-3 support, incl. Dolby transcoding functionality
Dolby Digital Plus Pro Encoder SDK Dolby Digital Plus Pro Encoder with AC-3 and EAC-3 support
Dolby Digital Plus Pro Decoder SDK Dolby Digital Plus Pro Decoder with AC-3 and EAC-3 support

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