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