Bede Liu, IEEE Life Fellow and foundational digital signal processing pioneer, dies at 91

Bede Liu, an IEEE Life Fellow remembered as one of the founders of digital signal processing, died on May 7 at age 91. The article notes his family and highlights his standing as a pioneering figure in the field.

Liu’s death marks the passing of a key contributor to a discipline that underpins modern communications, media, sensing, and computing systems. His legacy reflects how early advances in signal processing became core infrastructure for today’s digital technology stack.