MPACT 2

Mpact-2 is a 125 MHz vector-processing graphics, audio and video media processor, a second generation in the Mpact family of Chromatic Research media processors, which can be used only as a co-processor to the main central processing unit (CPU) of a microcomputer.

Hardware using the Mpact-2 uses OEM firmware to provide plug-and-play facility, and may be used with either a PCI or AGP bus.^[1]

UAD-1 DSP cards

The UAD-1 was a digital signal processor (DSP) card sold by Universal Audio^[2] using the Mpact-2 developed by Chromatic (acquired by ATI Technologies in November 1998), using the DSP, rather than the host computer's CPU, to process audio plug-ins. This allows accurate, but processor-intensive, reverbs, EQs, compressors and limiters to be handled in real time and without burdening the CPU. 3D functionality is hard-wired. The UAD-1 was superseded by the UAD-2, based on the Analog Devices 21369 and 21469 DSPs, in 2009.^{[citation needed]}

UAD-1 hardware was produced with three interfaces: PCI (UAD-1), PCI Express (UAD-1e), and ExpressCard (UAD-Xpander). The cards were offered by Chromatic Research (formerly named Xenon Microsystems), and were part of the Chromatic Mpact 2 Video Adapter.

References

^ "Chromatic Mpact review STB". Vintage3d.org. Retrieved 3 April 2019.
^ "Universal Audio - Audio Interfaces - UAD Plug-Ins". Uaudio.com. Retrieved 3 April 2019.

Yao, Yang (18 November 1996). "Chromatic's Mpact 2 Boosts 3D". Microprocessor Report, pp. 1, 6–10.

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[1] "Chromatic Mpact review STB". Vintage3d.org. Retrieved 3 April 2019.

[2] "Universal Audio - Audio Interfaces - UAD Plug-Ins". Uaudio.com. Retrieved 3 April 2019.

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