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DesignWare ARC Audio Dolby Digital Plus 5.1 Decoder

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The DesignWare® ARC™ Audio Dolby Digital Plus® 5.1 Decoder for the DesignWare 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.

DesignWare ARC Audio Dolby Digital Plus 5.1 Decoder Datasheet
 

  • 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
  • Robust against memory latency