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TI expands Aureus DSP family

Posted: 06 Sep 2005 ?? ?Print Version ?Bookmark and Share

Keywords:texas instruments? ti? aureus? dsp? tms320da710?

Texas Instruments Inc. (TI) introduced the next generation in its Aureus family of audio DSPs for applications requiring multi-channel decoding, including audio/video (A/V) and DVD receivers, home-theater-in-a-box systems (HTIBs), STBs, mini-compos, high-definition televisions (HDTVs) and automotive navigation/multimedia systems. According to TI, these devices are also ideal for applications requiring audio decoding and simultaneous high-speed encoding, such as DVD recorders, home music servers and automotive jukeboxes.

Promising a 50 percent performance improvement at the same price point as the previous generation of Aureus products, the 300MHz TMS320DA710 and 250MHz tms320da708 deliver one of the industry's most versatile, cost-effective DSPs and development environment for high performance, high-quality multi-channel audio applications.

TI added that architectural enhancements specifically designed for high-performance audio processing enable efficient use of the extensive headroom available on all DA7xx devices. New mixed-precision instructions allow for higher quality bass management and equalization algorithms without the performance impact of using double-precision, while an audio-optimized Dual Data Movement Accelerator (DMAX) performs efficient non-sequential external memory accesses and circular buffer management, improving the performance of long delay line algorithms. Additionally, the CPU core and memory subsystem were enhanced and the amount of parallel processing was increased, resulting in higher performance in audio applications.

The DA7xx family is code compatible with TI's previous generations of the Aureus family, and is built upon the company's C6000 DSP architecture.

The DA7xx devices are backed by production-quality software, including TI's Performance Audio Software Library, an end-to-end system software solution that includes:

? industry-standard decoders and post-processors from Dolby, DTS and THX;

? MP3, Windows Media Audio (WMA) and ATRAC3plus encoder and decoder modules

Double-precision (64-bit) Bass Management;

? TI Effects Library, which includes configurable modules for graphical EQ, room simulators and matrix decoders;

? optimized filter blocks for building custom algorithms; and

? Bitstream auto-detection, system framework and I/O drivers.

The Performance Audio Software Library is based on TI's XDAIS algorithm standard, which allows OEMs and third parties to create plug-and-play algorithms. Numerous third parties are supporting the Performance Audio Library, including Audyssey, SRS Labs, Waves and Neural Surround. This enables OEMs to more efficiently develop and customize audio algorithms, getting products to market faster, quickly spinning derivative products by adding new features, and reducing development costs in general, explained TI.

Currently sampling, both devices are slated for volume production in Q3 2005. The 250MHz TMS320DA708 costs $13.52 each and comes in a 144-pin TQFP package, while the 300MHz TMS320DA710 is priced at $21.63 each and comes in a 256-ball BGA package, both in 10,000 unit or more quantities.

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