Synopsys DRA Decoder for DesignWare ARC Sound Audio Processors

Synopsys introduced an optimized version of the Dynamic Resolution Adaptation (DRA) decoder software for the DesignWare ARC Sound AS211SFX and AS221BD audio processors. The DesignWare ARC Sound DRA codec and the DesignWare ARC Sound audio processors enable OEMs and SoC designer to develop HD audio for Chinese consumer electronic products. The optimized version of the DesignWare ARC Sound DRA decoder will be generally available in July 2011 (available for early access customers now).

DesignWare ARC Sound DRA Decoder Features

  • Supports the Chinese National HD audio standard that is included in the Blu-ray Disc specification
  • First optimized implementation available for an audio IP solution
  • Full support for the Chinese Mobile Multimedia Broadcast (CMMB) coding format
  • Ideal for Chinese digital broadcasting, digital home theater systems, internet streaming and personal media players
  • Supports all standard sample rates from 8 to 192 KHz
  • Multiple window size support, ranging from 128 to 1024 audio samples
  • Multi-channel support, including 5.1, 6.1 and 7.1
  • Down-mixing, 5 different modes available
  • Supports interleaved and non-interleaved output
  • 16-, 24- and 32-bit depth output
  • Fine tuned for small code and data size as well as low processor load
  • AS211SFX and AS221BD audio processors require 18 MHz to run the optimized DRA decoder for Chinese Digital Broadcast (2.1 channel) and only 134 MHz for Blu-ray Disc (7.1 channel)
  • Includes a media software framework that provides a unified software interface to the library of DesignWare ARC Sound audio codecs and audio post-processing functions

More info: Synopsys