CODECPRO GSM-HR CODEC
ETSI/3GPP MANDATORY STANDARD CODEC

GSM-HR is the second generation of the GSM codec. The GSM-HR codec was developed for the purpose of increasing the GSM network capacity, but it achieves this through a trade-off where quality is less than GSM-FR.

GSM-HR Codec Overview

The memory and CPU details are generic Standard specifications.

For more details and information about CodecPro's GSM-HR optimisation, please contact us at sales@codecpro.com.

GSM-HR Codec Technical Specifications

  • Bandwidth: 200-3400 Hz
  • Standardized: ETSI / 3GPP 1994
  • Technology: VSELP
  • Bit rate: 6.5 kbps
  • Delay (msec): 25
  • Frame size (msec): 20
  • Lookahead (msec): 5
  • Quality: Narrowband / PSTN
  • Complexity (MIPS): 25
  • ROM (bytes): 100K
  • RAM (bytes): 10K