- GAO Research Inc. is the world leader in embedded communications software for DSPs including modem, fax, speech, telephony, ADSL, VoIP, Residential Gateway, VoDSL, etc. GAO's DSP software runs on a variety of microprocessors including: ADI (Analog Devices), TI (Texas Instruments) and SHARC DSPs, and MIPS, SPARC, Pentium, Hyperstone, ARM and STRONG ARM microprocessors.www.gaoresearch.com