Bede Liu, pioneer in digital signal processing and beloved mentor, dies at 91 princeton.edu 2 points by aragonite 3 months ago · 2 comments Reader PiP Save Collapse all Expand all 2 threads toomuchtodo 3 months ago https://en.wikipedia.org/wiki/Bede_Liu rvz 3 months ago RIP. Bede Liu - DSP Pioneer.