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TI's Leading Digital Audio Amplifier and DSP Technologies Bring True Digital Sound Experience to the Everyday Consumer

``TI has established a new standard in sound quality for PC and home audio systems. With this digital audio technology, audio systems will now be able to offer a sound quality that seems like you are listening to an orchestra playing in one of the world's most renowned concert halls,'' said Harry Davoody, vice president of TI's Digital Audio Video/Imaging Business Unit. ``TI developed this complete digital audio solution by combining its new Digital Audio Amplifier with its leading DSP technologies, allowing consumers to enjoy the audio performance of high-quality home entertainment systems at a more reasonable price.''

According to DSP and audio market research firm Forward Concepts, the PC and home audio industries are moving away from analog audio systems and replacing them with new systems that are using digital audio technologies to improve the sound quality and performance.

``Digital audio technologies are driving the consumer entertainment market. With the emergence of digital audio amplifiers, the market dynamics are changing again as OEMs leverage this technology to bring the audio performance of high-quality stereo systems to the PC and home audio systems,'' said Will Strauss, president of Forward Concepts. ``By combining its leading DSP technology with its newly developed, true Digital Audio Amplifier, Texas Instruments has clearly established itself as one of the leading suppliers of digital ICs for the audio market.''

TI's Digital Audio Technology Brings High-Quality Audio to the Consumer

TI's new digital audio solution is based on four basic components. At the heart of the system is TI's DSP technology. When the application requires decoding or additional audio processing, the solution will leverage a TMS320C54x(TM) DSP to enable the host system to send digital data directly to the speakers from a CD, DVD, TV, game console, the Internet or other source. The DSP also provides audio filtering and processing for Dolby Digital, 3-D Surround Sound, DTS, MP3, and Advanced Audio Coding (AAC). The solution will also use TI's dedicated Digital Audio Processor to perform speaker equalization and correction, tone management, dynamic range compression and expansion, and volume, bass and treble control. To communicate with the PC or the home audio system, the solution must have a digital interface chip, such as TI's Universal Serial Bus (USB) streaming controller or S/PDIF chip.

The final piece of the digital audio solution is TI's new true Digital Audio Amplifier. The new Digital Audio Amplifier technology is based on the equibit(TM) technology from Toccata Technology, a company TI acquired in March 2000. In today's audio systems, companies are using an analog method to boost the signal, but by keeping the audio signal in a digital format, this technology has removed the majority of static and noise that is normally introduced into the signal when using analog amplifiers. In addition, TI's Digital Audio Amplifier technology does not require bulky heat sinks so audio manufacturers are able to greatly reduce the form factor size and power consumption of their design by up to a factor of 10.

Applications In All Audio Areas

Many types of audio applications can benefit from the high quality, power efficiency, space savings and ease of use in TI's all-digital audio solution. These include consumer entertainment such as HTIB, DVD receivers and mini/micro systems, PC gaming and entertainment applications, business applications, such as speakerphones and multimedia conferencing systems, and digital headsets for all application areas. In addition, TI's all-digital audio solution will enhance automotive entertainment, reducing space and heat dissipation for manufacturers while allowing consumers to enjoy the experience of high-quality multichannel digital audio in their vehicles.

For more information on TI's all-digital audio solution, please visit the World Wide Web at www.ti.com/sc/digitalaudio.

Texas Instruments Incorporated is the world leader in digital signal processing and analog technologies, the semiconductor engines of the Internet age. The company's businesses also include sensors and controls, and educational and productivity solutions. TI is headquartered in Dallas, Texas, and has manufacturing or sales operations in more than 25 countries.

Texas Instruments is traded on the New York Stock Exchange under the symbol TXN. More information is located on the World Wide Web at: http://www.ti.com .

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SOURCE: Texas Instruments Incorporated Semiconductor Group