Synopsys ARC DTS-HD Decoder

The Synopsys ARC® Audio DTS-HD® decoder (also known as DTS M6) software is an optimized version of the codec for Synopsys ARC AS211SFX and AS221BD audio processors. The decoder is a single package that is capable of processing all DTS audio formats up to 5.1 channels and supports DTS Digital Surround™, DTS Coreless Lossless (DTS XLL), DTS Express™ and DTS-HD Master Audio™ in the absence of DTS Core formats. The package includes dual decoders, up- and down-mixers, dialog normalization and encoders for digital output via S/PDIF or HDMI links. The optimized version is certified by DTS, and supports a range of applications including digital TVs, set-top boxes, tablets, home theater systems, internet streaming, media players, and A/V receivers.

Supported Cores

Synopsys ARC Audio DTS M6 Decoder


  • Compatibility with any DTS encoded audio stream (any DTS format, channels limited to 5.1):
    • DTS Digital Surround
    • DTS Digital Surround Core (up to 5.1 channels / 48 kHz from any DTS-HD Master Audio stream
    • DTS Express (up to 5.1 channels)
    • DTS HD Master Audio (Coreless) (decodes DTS-HD 5.1 channels up to 96 kHz)
  • Sampling frequencies: 44.1, 48, 96* kHz (*for DTS HD MA 96 kHz coreless streams, downsampling to 48 kHz is possible)
  • Any DTS stream bitrate (up to 24.5 Mbps)
  • Ability to decode one or more audio streams
  • Support of mandatory post-processing functions
  • Stereo Downmix support
  • Metadata support (BD & Broadcast content)
  • 5.1 ch 48 kHz DTS Transcoder for DTS Digital output over SPDIF/HDMI/TOSLink
  • Scalability onto 1 or 2 ARC cores for optimum MHz/area balance