Zweikanalton ("two-channel sound"), or A2 Stereo, is an analog television stereo sound and bilingual audio transmission system used in Germany, Austria, Australia, Switzerland, Netherlands, Croatia, Serbia, Turkey, Poland and some other countries that use or used CCIR systems. South Korea utilized a modified version of Zweikanalton for the NTSC analog television standard.
Zweikanalton ("two-channel sound"), or A2 Stereo, is an analog television stereo sound and bilingual audio transmission system used in Germany, Austria, Australia, Switzerland, Netherlands, Croatia, Serbia, Turkey, Poland and some other countries that use or used CCIR systems. South Korea utilized a modified version of Zweikanalton for the NTSC analog television standard.
Source: Wikipedia "Zweikanalton" · CC BY-SA 4.0
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