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DesignWare ARC Audio G.726 Encoder and Decoder

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DesignWare® ARC™ Audio G.726 software for the DesignWare ARC Sound AS211SFX and AS221BD audio processors provides high-quality speech encoding and decoding for mobile and cordless phones, voice recording and Voice over IP (VoIP applications).

The design is bit-compliant with the ITU-T G.726 specification for speech encoding and uses Adaptive Differential Pulse Code Modulation (ADPCM) technology. Implementation is done according to the ITU-T G.721 and G.723 recommendations.

DesignWare ARC Audio G.726 Encoder/Decoder
 

  • Compliant to the following standards:
    • ITU-T G.726
    • ITU-T G.721 recommendations
    • ITU-T G.723 recommendations
  • Adaptive Differential Pulse Code Modulation (ADPCM)
  • Encoding: 16/24/32/40 kbps bitrates
  • Decoding: 16/24/32/40 kbps bitrates
  • Input /output: 14 and 16-bit PCM samples
  • Sampling rate: 8 kHz
  • Supports little endian
  • Full duplex implementation
  • Robust against memory latency: only 13/14 MHz processor load at 100 cycles latency (encoding/decoding)