Stefan Kudelski, inventor of the first portable professional sound recorder, has died. His Nagra tape recorder, created in 1951, revolutionized... Stefan Kudelski, Who Made Sound Recording Portable, ...

NEW YORK — Stefan Kudelski — inventor of the first professional-quality portable tape recorder, which revolutionized Hollywood moviemaking and vastly expanded the reach of documentarians, independent ...

CHESEAUX-SUR-LAUSANNE, Switzerland, Feb. 1 (UPI) -- Stefan Kudelski, who invented a professional-quality portable tape recorder that transformed film making, has died in Switzerland, his company said.

Digital audio recorders that use solid-state digital media are a boon for professional newsgathering and field audio acquisition. (click thumbnail)Recording to a solid block of RAM means no more ...

Stellavox Sm5 and the mini Nagra SN are the two Swiss made tape recorders Kiai has used in recording Iranian films, the museum announced in a press release published on Saturday. “It was in 1970’s ...

Stefan Kudelski didn't set out to make a sound recorder. He was interested in robotics, and in the 1950s, one of the ways to create robotic memory was to use magnetic tape. As a student, working with ...

1 of 4 — Stefan Kudelski poses with the Ampex-Nagra VPR-5 portable recorder in an undated photograph. The devices were used to record the 1986 FIFA World Cup in Mexico. 2 of 4 — Kudelski with actors ...