Toshitada Doi
Encyclopedia
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.
Tokyo Institute of Technology
The Tokyo Institute of Technology is a public research university located in Greater Tokyo Area, Japan. Tokyo Tech is the largest institution for higher education in Japan dedicated to science and technology. Tokyo Tech enrolled 4,850 undergaraduates and 5006 graduate students for 2009-2010...
in 1964, and a PhD from Tohoku University
Tohoku University
, abbreviated to , located in the city of Sendai, Miyagi Prefecture in the Tōhoku Region, Japan, is a Japanese national university. It is the third oldest Imperial University in Japan and is a member of the National Seven Universities...
in 1972. He joined Sony
Sony
, commonly referred to as Sony, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan and the world's fifth largest media conglomerate measured by revenues....
Japan in 1964. He started the first digital audio project within Sony. He was the driving force behind the PCM adaptor
PCM adaptor
A PCM adaptor is a device used for recording digital audio in the PCM format, which in turn connects to a video cassette recorder for storage and playback of the digital audio information.-How a PCM adaptor works:...
, and was a prominent member of the Sony/Philips taskforce responsible for the design of the Compact Disc
Compact Disc
The Compact Disc is an optical disc used to store digital data. It was originally developed to store and playback sound recordings exclusively, but later expanded to encompass data storage , write-once audio and data storage , rewritable media , Video Compact Discs , Super Video Compact Discs ,...
. He created, among others, the CIRC
Cross-Interleaved Reed-Solomon Coding
In the compact disc system, cross-interleaved Reed-Solomon code provides error detection and error correction. CIRC adds to every three data bytes one redundant parity byte.-Overview:...
error correction system. He was the lead engineer of the DASH
Dash
A dash is one of several kinds of punctuation mark. Dashes appear similar to hyphens, but differ from them primarily in length, and serve different functions. The most common versions of the dash are the en dash and the em dash .-Common dashes:...
multi-track digital audio tape recorder. In the 1990s, he headed Sony's Digital Creatures Laboratory, where he was responsible for the Aibo
AIBO
AIBO was one of several types of robotic pets designed and manufactured by Sony...
, Sony's robotic dog. In 2003, Doi created the Qrio
QRIO
QRIO was to be a bipedal humanoid entertainment robot developed and marketed by Sony to follow up on the success of its AIBO toy. QRIO stood approximately 0.6 m tall and weighed 7.3 kg...
, a running humanoid robot.
Awards and honors
- Fellowship, Audio Engineering SocietyAudio Engineering SocietyEstablished in 1948, the Audio Engineering Society draws its membership from amongst engineers, scientists, other individuals with an interest or involvement in the professional audio industry. The membership largely comprises engineers developing devices or products for audio, and persons working...
- Eduard RheinEduard RheinProf. Eduard Rudolph Rhein was an inventor, publisher, and author.He was the founder of the German magazine "Hörzu", which he directed as its editor-in-chief until 1964...
Prize, 1981 - Silver Medal, Audio Engineering SocietyAudio Engineering SocietyEstablished in 1948, the Audio Engineering Society draws its membership from amongst engineers, scientists, other individuals with an interest or involvement in the professional audio industry. The membership largely comprises engineers developing devices or products for audio, and persons working...