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Dolby DP591 Atmos Encoder.
The Dolby DP591 Audio Encoder is a key element of Dolby’s industry leading object-based audio authoring toolkit that assists broadcasters, live audio mixers, and engineers in the adoption and delivery of immersive audio for live events.
The DP591 can encode for either contribution links or final transmission links. For contribution links, the DP591 supports Dolby ED2. Dolby ED2, which builds on the capabilities of Dolby E, allows the contribution link to carry the increased number of channels required for immersive audio over existing AES3 infrastructures. The core coding is the same — delivering high-quality mezzanine compression, but now it includes the additional metadata required for combining the audio elements needed to create immersive audio experiences.
For transmission links, the DP591 supports the delivery of Dolby Atmos using Dolby Digital Plus with Dolby Atmos, which is an extension to the existing Dolby Digital Plus delivery format that supports the delivery of object-based audio. This is delivered to the Dolby Atmos decoder in the home device to recreate the immersive sound as intended by the audio engineers creating the immersive audio mix.
In the outside broadcast truck, The DP591 ingests PCM and metadata over IP and encodes the PCM channels and metadata to Dolby ED2. In the head-end, the DP591 will transcode one Dolby E program or one Dolby ED2 presentation to Dolby Digital Plus or Dolby Digital Plus with Dolby Atmos, respectively. The DP591 is also capable to encode Dolby Digital Plus with Dolby Atmos from PCM directly and decode Dolby ED2 to PCM without metadata.
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