ESPICO

Specialists in Speech and Audio Software Development

Material Copyright © 2017 ESPICO Ltd

The ETSI standard EFR (Enhanced Full Rate) speech codec belongs to the ACELP family of speech coders and operates with a bit-rate of 12.2 kbit/s. The codec operates on speech frames of 20ms (160 samples) with a 5ms look-ahead. This standard includes DTX functionality which comprises Voice Activity Detection (VAD) and comfort noise generation (CNG). EFR provides wireline quality in any noise free and background noise conditions.


The ESPICO implementations are highly optimised, realising low memory and MHz requirements. Contact ESPICO for specific resource requirements.

ETSI EFR

Features


Availability


ESPICO’s optimised solution can be ported to any platform. Available solutions include:


Applications