Toshitada Doi (
土井利忠) (1943) is a Japanese electrical engineer, who played a significant role in the digital audio revolution. He received a degree in electrical engineering from the
Tokyo Institute of Technology in 1964, and a PhD from
Tohoku University in 1972. He joined
Sony Japan in 1964. He started the first digital audio project within Sony. He was the driving force behind the
PCM adaptor, and was a prominent member of the Sony/Philips taskforce responsible for the design of the
Compact Disc. He created, among others, the
CIRC error correction system. He was the lead engineer of the
DASH multi-track digital audio tape recorder. In the 1990s, he headed Sony's Digital Creatures Laboratory, where he was responsible for the
Aibo, Sony's robotic dog. In 2003, Doi created the
Qrio, a running humanoid robot.
Awards and Honors
