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 using the Mpact-2 sold by Universal Audio[2] (acquired by ATI Technologies in November 1998), which uses 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 The UAD-1 was superseded by the UAD-2, based on the Analog Devices 21369 and 21469 DSPs, in 2009.

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
  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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