Castleton Network Systems - G.729 Voice Coder

Platform: TI TMS320C5x DSP
Description: G.729, also called CS-ACELP (Conjugate-Structure Algebraic Code Excited Linear Prediction), is a state-of-the-art voice compression ITU (International Telecommunications Union) standard that can be used in a wide range of applications including wireless communications, digital satellite systems, packetized speech and digital leased lines. G.729 provides 8000 bits/s bandwidth for compressed speech at toll quality (equivalent to G.726 32 kbit/s ADPCM under clean channel condition). Also, G.729 has lower complexity and lower bit rate than G.728.
The Castleton G.729 implementation provides a bit-exact implementation of the ITU standard on a single TI TMS320C5x DSP. The software is C callable and fully re-entrant, which allows easy interfacing and multi-channel capability. The encoder and decoder are fully independent, therefore, a DSP device can run a number of full-duplex or half-duplex channels. The coder and the decoder are able to operate under a real-time task switching kernel.
Cost and Availablity: Contact Castleton Network Systems.
Contact: Castleton Network Systems Corporation
350 Terry Fox Drive, Kanata, Ontario, Canada K2K 2W5
Ph: 613-591-8786, Fax: 613-591-8783
Email: inquire@castleton.com
WWW: http://www.castleton.com/