Abstract
This paper presents a microprogrammable system of medium size based on bit-slice components. Our intension has been to build a versatile signal processing system for real-time applications. It is designed as a stand-alone unit under supervision of a TMS 9900 microcomputer. To give an idea of what can be done with this tool, we describe one application. It is a real-time analysis of Electroencephalograms, EEG. The analysis involves calculations of a linear filter model, using linear prediction technique, and inverse filtering for detection of transients. The system is capable of analyzing 16 channels of EEG simultaneously in real-time. This is of great interest since EEG's are usually recorded with a multichannel machine of 8 or 16 channels, that are analyzed visually. Previous implementations of the algorithm have worked with a single channel. Now we have the possibility of multidimensional analysis, such as crosscorrelation and crosspectrum.
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