multiplex stereo การใช้

• On March 17, 1962, KGMG became the second Portland station to broadcast in multiplex stereo.
• This was the first time that the station broadcast in multiplex stereo and became known by its nickname " K-Life ".
• KPEN became the first station west of the Mississippi to broadcast in multiplex stereo, officially beginning August 10, 1961, after a series of field tests.
• The GM multiplex stereo system was also discontinued when new units changed wiring adapters; the Corvair's 9-pin connector would no longer fit the new units.
• From 1971 to 1979, San Francisco station KKHI broadcast the regular Friday night performances of the opera on AM and FM ( in multiplex stereo with quadraphonic encoding ).
• Following a series of tests, the Federal Communications Commission ( FCC ) authorized KPEN to become the first station west of the Mississippi River to transmit in multiplex stereo, August 10, 1961.
• The station quadrupled its broadcasting power the same year and offered its first multiplex stereo broadcast, which was tested the following year, presenting the first live concert series broadcast in stereo, with music by the Fine Arts Quartet.
• Before multiplex stereo as we know it today the only way radio could transmit two simultaneous channels of sound was to put one channel on the AM station and the other channel simultaneously on the FM, which resulted in the audience having to have two radios to hear it.
• On June 1, 1962, KSFR began broadcasting in multiplex stereo; however, Levitt was criticized by media critic Bob Foster in " The San Mateo Times " for rushing into stereo without conducting field tests because there were some serious technical problems with the signal.
• In 1961, WCRB-FM became the first Boston-area station to broadcast in multiplex stereo; for a few years prior to that, WCRB had broadcast some of its programming in stereo by carrying one channel on AM, the other on FM . WCRB was directly involved with the development of FM multiplex stereo.
• In 1961, WCRB-FM became the first Boston-area station to broadcast in multiplex stereo; for a few years prior to that, WCRB had broadcast some of its programming in stereo by carrying one channel on AM, the other on FM . WCRB was directly involved with the development of FM multiplex stereo.