Product category: Microprocessors, Microcontrollers and DSPs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: Digital audio products
Edited by the Electronicstalk Editorial Team on 8 January 2003
Firewire joins all-digital audio demo
Texas Instruments brings together three high-resolution digital audio technologies into one comprehensive demonstration at this week's Consumer Electronics Show in Las Vegas
TI is the first to integrate its FireWire (IEEE1394) multichannel audio DSP and digital amplifier technologies onto one board to show an all-digital audio solution from source to speakers. By combining these technologies onto one board, TI is demonstrating to manufacturers how they can more easily build a high-resolution audio system, such as an A/V receiver or DVD receiver, that incorporates all of the latest features required by discriminating audiophiles.
This article was originally published on Electronicstalk on 8 January 2003 at 8.00am (UK)
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The single-board system: includes native 1394 networking capability; receives industry standard formats, such as Dolby Digital and DTS and is capable of receiving full-resolution digital SACD and DVD-audio streams; incorporates optional content protection for compatibility with high-resolution formats; enables high performance, flexible, multiformat audio decoding with a reprogrammable 32/64bit audio DSP; and uses TI's latest high quality, highly efficient PurePath Digital amplifiers, enabling slim, compact products.
FireWire connectivity, made possible by TI's TSB43CA43A integrated network controller, enables several compelling new features.
Already proven as a PC and consumer electronics standard, FireWire has quickly established itself as the next-generation audio connectivity technology, supplementing the existing SPDIF interfaces.
In addition to the base functionality offered by SPDIF, FireWire brings breakthrough performance, industry standard networking, command and control, content protection, and future-proof flexibility to the audio market.
The TSB43CA43A features an integrated IEEE1394 link layer and three-port physical layer, as well as a 32bit microprocessor and 256Kbyte of onboard RAM.
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Audio and video packet formatting are performed in hardware, making the TSB43CA43A ideal for A/V receivers and multiformat audio players including CD, SACD and DVD-audio.
TI's TMS320DA610 Aureus audio processor, the highest performance floating point audio DSP, allows designers to tackle the newest standards and deliver the most realistic audio experience to consumers.
With 225MHz and native support for 32/64bit processing, the DA610 chip can decode the latest audio standards and still provide enough headroom for proprietary post-processing algorithms.
TI provides a library of highly optimized decoders, including meridian lossless packing (MLP), which is used in the DVD-audio standard.
With a variety of flexible peripherals including two multichannel audio serial ports (McASPs), the DA610 can provide up to 16 channels of IIS output and can be easily interfaced with TI's connectivity and digital amplification solutions.
TI's latest digital amplifiers are demonstrated, displaying TI's market leading PurePath Digital technology offering high-resolution audio quality.
TI's digital amplifiers enable a 100% digital system from the DVD disc to the ear, extending the benefits of clean and clear digital audio to the entire signal chain.
The highly efficient power stage on display enables the slim form factors and increased functionality that consumer audio companies need for today's market.
TI's TAS5026 is a high-performance six-channel PWM processor designed specifically for multi-channel systems.
TI's market-proven digital amplifier has the market's highest audio performance and audio quality and the widest power range available with solutions from 15 to 125W.
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