TI DSPS 3rd Party Listings: Vocoder Algorithms: G.729A CS-ACELP Voice Coder

Digital Signal Processing Solutions Tools: Vocoder Algorithms

Product Name:	G.729A CS-ACELP Voice Coder
Company Name:	D2 Technologies, Inc.
Features & Benefits:	Compresses 8kHz codec or linear voice data to 8 kpbs Uses less processor resources than G.729 Complies with G.729A coding standard Verified interoperability with G729A test vectors
TMS320 Devices Supported:	C2xx C5x C54x C6x
Data Rate (kbps):	8kbps
Program Memory (k word):	9.8kword
Data Memory (k word):
Processor Loading (MIPS):	11MIPS
Target Platform:
Hardware Requirements:	None.
Technical Support/Training Available:	YES 90 day warranty period plus optional design consultation, algorithm development, system integration and training services available.
Overview:	D2's G.729A CS-ACELP voice coder algorithm module implements the ITU-T G.729-Annex A voice coder standard. It compresses codec or linear data to 8 kbps code using the Conjugate-Structure Algebraic-Code-Excited Linear-Predictive Coding Algorithm.
Ideal Performance:	Integrated with other VP Open modules and tested for concurrent real-time processing on multiple voice ports.
Algorithm Verification:	ITU G.729-Annex A test vectors Numerical stability tests with tones and extreme values Code error test with stationary and non-stationary errors Mean Opinion Scores (MOS) test according to ITU-T P.80 specification for Absolute Category Rating VP Open interface validation
Availability:	C5x, C54x--Available; C2xx, C6x--Consult D2
Operating System Used:	VP Open specifications
Tools Supported By:	TI White Mountain DSP Research Go DSP National Instruments
Company Information:	D2 Technologies, Inc. 104 West Anapamu Street Santa Barbara CA 93101 USA Tel: 805-564-3424 Fax: 805-966-2144 e-mail: sales@d2tech.com www: http://www.d2tech.com
	Voice processing solutions provider for computer telephony. Over 20 years of industry experience in algorithms, DSP implementation, real-time systems, telephony system integration.