(Formerly numbered 113DB.) Laboratory, four hours; outside study, eight hours. Enforced requisites: courses 113, 113DA. Real-time implementation of digital signal processing algorithms on digital processor chips. Experiments involving A/D and D/A conversion, aliasing, digital filtering, sinusoidal oscillators, Fourier transforms, and finite wordlength effects. Course project involving original design and implementation of signal processing systems for communications, speech, audio, or video using DSP chip. Completion of projects begun in course 113DA. Satisfies Writing II requirement. Letter grading.