CODECPRO EVRC-E CODECS
3GPP2 CDMA STANDARD CODEC

EVRC-E or EVRC-NW2K (Speech Service Option 77) is the same codec as EVRC-D. EVRC-E has modified operating points and a new 2K bps rate. EVRC-E supports EVRC-B, EVRC-C (EVRC-WB) and EVRC-D (EVRC-NW).

EVRC-E Codec Overview

The memory and CPU details are generic Standard specifications.

For more details and information about EVRC-E optimisation, please contact us at sales@codecpro.com.

EVRC-E Codec Technical Specifications

  • Bandwidth: 50–7000 Hz
  • Standardized: 3GPP2 2011
  • Technology: CELP/LPC/PPP/2K/NELP
  • Bit rate: 4 to 7.5 kbps
  • Delay (msec): 23
  • Frame size (msec): 20
  • Lookahead (msec): 3
  • Quality: Wideband
  • Complexity (MIPS): 40
  • ROM (bytes): 200K
  • RAM (bytes): 20K+10K/ch