CODECPRO EVRC-B CODEC
3GPP2 CDMA STANDARD CODEC

EVRC-B (Speech Service Option 68) is a source codec. EVRC-B operates with the same engines/rates as EVRC. EVRC-B includes a new feature of being able to operate at eight average rates or capacity operating points ranging from 4 to 8.3 kbps.

EVRC-B Codec Overview

The memory and CPU details are generic Standard specifications.

For more details and information about EVRC-B optimisation, please contact us at contact CodecPro.

EVRC-B Codec Technical Specifications

  • Bandwidth: 200-3400 Hz
  • Standardized: 3GPP2 2006
  • Technology: CELP/PPP/NELP
  • Bit rate: 4 to 8.3 kbps
  • Delay (msec): 23
  • Frame size (msec): 20
  • Lookahead (msec): 3
  • Quality: Narrowband
  • Complexity (MIPS): 40
  • ROM (bytes): 200K
  • RAM (bytes): 20K+10K/ch