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Dolby Program Optimizer DP600: Configurations and Supported Media File Types

Two configurations of the Dolby DP600 are available. Both versions provide automatic file-based loudness analysis and correction of the dialnorm and dynamic range control metadata parameters in Dolby EDolby DigitalDolby Digital Plus, and Dolby Pulse bitstreams, and intelligent and automatic speech-based loudness normalization for PCM, MPEG-1 LII, AAC, and HE AAC v2 audio files. An optional software upgrade for intelligent file-based upmixing is also available for each configuration.

Media File Types Supported (Multi-Element Streams)

MPEG-2 single program transport stream

MPEG-2 program stream

GXF (SMPTE 360M)

MXF (various SMPTE standards)

Audio File Types Supported

WAV, Broadcast WAV, RF64 WAV per EBU Tech Doc 3306 (mono, stereo, and multichannel/multiprogram files)

AIFF (mono, stereo, and multichannel/multiprogram files)

Dolby Digital (AC-3; .ac3)

Dolby Digital Plus™ (E-AC-3; .ec3)

Dolby Pulse (HE AAC v2 + metadata; .aac and .mp4)

Dolby E formatted per SMPTE 337M and wrapped in a two-channel, 24-bit WAV or AIFF file

MPEG-1 LII carried in WAV

AAC, HE AAC v2 (.aac and .mp4)

Loudness Analysis and Correction

Dolby Digital

Dolby Digital Plus

Dolby Pulse

Dolby E

MPEG-1 LII

AAC

HE AAC v2

LPCM via WAV, Broadcast WAV, RF64 WAV, AIFF

DP600-C Configuration

The DP600-C version of the Dolby Program Optimizer provides faster-than-real-time file-based encoding, decoding, and conversion between all of Dolby’s audio formats (Dolby Digital, Dolby Digital Plus, Dolby Pulse, and Dolby E) as well as PCM, MPEG-1 LII, AAC, and HE AAC v2, while preserving the audio metadata.

Audio Codecs

Dolby Digital

Dolby Digital Plus

Dolby Pulse

Dolby E

MPEG-1 LII

AAC

Conversion to/from Any of the Listed Formats

Dolby Digital

Dolby Digital Plus

Dolby Pulse

Dolby E formatted per SMPTE 337M and wrapped in a two-channel, 24-bit WAV or AIFF file

MPEG-1 LII

MPEG-2 AAC

PCM (.wav and .aiff)

Direct Transcoding

Dolby Digital to Dolby Digital Plus

Upmixing Upgrade Option

An optional software upgrade adds file-based program upmixing functionality for the DP600 and DP600-C.

This newly developed algorithm is specifically designed for upmixing broadcast programs from two channels to five or 5.1 channels. (Note: Mono to stereo or mono to 5.1 channels is not supported.)

The algorithm also ensures downmix compatibility so that listeners of two-channel content are not subjected to the typical artifacts found with other upmixing solutions.

The upmix process can be adaptively integrated in combination with DP600 loudness correction, encoding, decoding, conversion, or transcoding to streamline workflows.



 
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