In the early sixties, Putnam scored a significant coup when major US record labels began to release stereophonic recordings in large numbers.
12.
She even made some stereophonic recordings, including excerpts from Wagner's operas with Hans Knappertsbusch and Sir Georg Solti conducting the Vienna Philharmonic Orchestra.
13.
In the 1970s Hafler promoted " passive pseudo-quadraphonics ", an inexpensive method of recreating ambient sounds at the rear from ordinary stereophonic recordings.
14.
They worked initially on long line transmission with improved sound fidelity and later changed their focus to high fidelity and binaural or stereophonic recording.
15.
In 1954 Walker produced Decca's first stereophonic recordings; they were of Russian works recorded in Geneva with the Suisse Romande Orchestra conducted by Ernest Ansermet.
16.
Years later, Howard Mitchell made a series of stereophonic recordings with the orchestra for RCA . Antal Dor�ti recorded with the orchestra for Decca Records.
17.
First stereophonic records were issued in 1961, although stereophonic recordings were made since 1958 and were reissued in stereo from 1961, first stereophonic pop-music was recorded in 1964.
18.
At Bell Labs, he oversaw research in electrical sound recording, including the first successful stereophonic recordings, the first live stereo sound transmission, and the production the first vinyl recording.
19.
In the late 1950s the company began issuing stereophonic recordings, including a rare disc of the music of Swedish composer Hugo Alfv�n ( 1872-1960 ), conducted by the composer.
20.
In the late 1940s he argued in favour of long-play ( LP ) records, introduced by Columbia Records in 1948, and stereophonic recording, introduced in 1958 after his death.
