Sony Chooses Tripath's Class-T 1-bit Digital Audio Solution; TA3020 Is Chosen for A/V Matrix Mixer.

Business Editors/High-Tech Writers

SANTA CLARA, Calif.--(BUSINESS WIRE)--July 30, 2002

Tripath Technology Inc. (Nasdaq:TRPH), creators of Digital Power Processing (DPP(R)), announced today its Class-T(TM) 1-bit digital audio amplifiers have been chosen by Sony to power its latest A/V Matrix Mixer.

Tripath's Class-T TA3020 digital audio amplifier is featured in Sony's powered SRP-700P A/V matrix mixer. Sony's matrix mixer offers an "all-in-one" solution for multimedia presentations to the mass media. A completely new multimedia presentation concept which will unite the functions of a high quality audio mixer, wireless microphone receiver slots, RGB/video switcher, equalizer, active feedback reducer and power amplifier in a single, compact unit. Tripath's digital amplifiers enable this compact system to produce up to 400 watts (200W + 200W; 4ohm) of power. Tripath's patented signal processing techniques are combined with a switching mode approach that generates high fidelity sound with significantly lower heat dissipation making it ideal for compact design applications.

Tripath's broad line of Class-T advanced 1-bit digital amplifiers are rapidly gaining market acceptance within high growth consumer electronics categories, such as powered DVD home theater systems, micro-component systems, set-top boxes, personal computers, LCD TVs and flat panel displays. These tightly integrated Class-T(TM) based designs set a new standard for high power, exceptional sound quality and high efficiency. Sony joins a list of other industry giants who have chosen Class-T as their digital amplifier technology such as Apex Digital, Panasonic, and Motorola.

"We are pleased to announce that we are continuing to broaden our relationship with Sony by integrating our Class-T amplifiers in this exciting professional audio system," said Dr. Adya Tripathi, Tripath's Chairman, President and CEO. "Sony is a premier electronics brand name and we are extremely pleased Sony has selected Tripath's Class-T advanced 1-bit Digital Audio Amplifiers for their latest product offering."

About Advanced Class-T(TM) 1-bit Sigma Delta Digital Audio

Amplifiers

Tripath's advanced Class-T(TM) 1-bit digital audio amplifiers rely on a fundamentally new approach to amplifier design utilizing semiconductor-based amplifiers that provide significant performance, power efficiency, size, weight and cost advantages over traditional amplifier technology. Instead of conventional pulse width modulation, Class-T(TM) employs multiple signal processing techniques, including adaptive/predicative processing, noise shaping, pre-distortion and sigma delta modulation.

About Tripath Technology

Based in Santa Clara, California, Tripath Technology Inc. owns the patented technology called Digital Power Processing (DPP(R)) technology, which combines modern advances in digital signal processing and power processing. Tripath's Class-T(TM) digital audio amplifiers rely on a fundamentally new approach to amplifier design that uses semiconductor-based amplifiers that provide significant performance, power efficiency, size, weight and cost advantages over traditional amplifier technology. Tripath's current products target audio applications with sales to leading consumer electronic and computer companies, such as Sony, Aiwa, Hitachi, Blaupunkt and Apple Computer, while Tripath's low power line drivers for central office applications are used by ADSL product suppliers, such as Alcatel Microelectronics. For more information please visit our web site at http://www.tripath.com

About Sony

Sony Corporation is a leading manufacturer of audio, video, game, communications and information technology products for the consumer and professional markets. With its music, pictures, computer entertainment and on-line businesses, Sony is uniquely positioned to be a leading broadband entertainment company in the world. Sony recorded consolidated annual sales of $57 billion for the fiscal year ended March 31, 2002. Sony's Home Page URL: http://www.sony.com Safe Harbor Statement - Certain matters discussed in this news release, including express or implied statements concerning consumer electronics manufacturers and the consumer electronics market, are forward-looking statements. The actual results may vary for those stated or implied from the forward-looking statements as a result of a number of risks and uncertainties including, but not limited to, risks in product development plans and schedules, rapid technological change, changes and delays in product approval and introduction, customer acceptance of new products, the impact of competitive products and pricing, market acceptance of our customers' products, the lengthy sales cycle, proprietary rights of the Company and its competitors, dependence on third parties to manufacture products, general economic conditions and other risk factors detailed in the Company's United States Securities and Exchange Commission filings.