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Synopsys ARC Audio Dolby Digital Plus 5.1 Decoder

The Synopsys ARC? Audio Dolby Digital Plus? 5.1 Decoder for the Synopsys ARC AS211SFX and AS221BD audio processors enables SoC designers to provide playback of up to 5.1 (multi-) channel digital surround audio in their designs. Dolby Digital Plus 5.1 (or Enhanced AC-3, E-AC-3) includes up to five full range audio channels (left, center, right, left surround, right surround), plus a supplemental Low-Frequency-Effects (LFE) channel (indicated by the '.1' in 5.1). Dolby Digital Plus is one of the optional decoders for Blu-ray Disc?. Applications include digital TV, set top boxes, HD broadcast, media players, home theater systems and Blu-ray Disc.

Supported Cores

 

Highlights
  • Support of Dolby Digital (AC-3) streams, the first independent substream (either Dolby Digital or Dolby Digital Plus) and the first dependent substream (associated with the independent substream) of Dolby Digital Plus (E-AC-3) streams (ATSC A/52B and ETSI TS 102 366 standards with Annex E)
  • Support of AC-3 Karaoke Mode (Annex C of ATSC A/52B and ETSI TS 102 366 standards)
  • Support of Alternate bitstream (Annex D of ATSC A/52)
  • Support of Extended bitstream (Annex E of ATSC A/52)
  • Output up to 5.1 channels PCM
  • Sampling Rates of 32 / 44.1 / 48 kHz
  • Optional higher sampling rates of 88.2 and 96 kHz through an integrated Sampling Rate Converter
  • Bitrates up to 6.144 Mbps
  • Dialogue Normalization and Dynamic Range Compression
  • Down-mixing of multi-channel audio
  • Re-matrixing (in stereo mode)
  • Error detection and concealment