ITU-T G.722
With QMF Filters
by France Telecom CNET

Software Overview

ITU Audio Coder wide band
The code has been developed for the easy use of several full-duplex monophonic coder-decoder in the 
DSP.

Features and Benefits

•	Data rate: 48/56/64 kbits/s
•	Sampling rate: 16 kHz
•	Quality: Commentary good quality

Processor and System Specifications

•	Devices supported: TMS320C54x
•	Algorithm category: Audio
•	Required: 
Program memory: 6 kwords
Data memory: 1 kword for one coder/decoder
Processor loading: 13 MIPS with a FIR (NLMS) of 300 coefficients

Company Background and Contact Information

Contact: 	Jean-Pierre PETIT
		France Telecom/CNET
		Technopole Anticipa 
		2 Avenue Pierre MARZIN
		22307 LANNION-CEDEX
		33-96-05-39-41
		Fax:  -33-96-05-13-16
		e-mail: petitjp@lannion.cnet.fr