ITU-T Fixed-Point
G.722 With QMF Filter
by France Telecom CNET

Software Overview

ITU Audio coder, half-duplex stereophonic, or full-duplex monophonic, fully compatible with ITU-T 
fixed-point test vectors.

Features and Benefits

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

Processor and System Specifications

•	Devices supported: TMS320C3x
•	Algorithm category: Vocoder
•	Half-duplex dual decoder required: 
Program memory: 1.3 kwords
Data memory: 1 kwords
Processor loading: 12.8 MIPS
•	Coder required:
Program memory: 0.8 kwords
Data memory: 0.8 kwords
Processor loading: 12 MIPS
•	Full-duplex required: 
Program memory: 2 kwords
Data memory: 1.5 kwords
Processor loading: 12.8 MIPS

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