AM stereophonic broadcasting AM stereo broadcasting

AM radio broadcast of stereo sound. The AM stereo corresponding radio is necessary in listening, but until now sort it can inquire about monaural sound even with the former radio.

From 1990 March it was introduced at resident in capital 3 bureaus, after that, focusing on the large output bureau above 20kW adoption spread. At the bureau where it introduces, the song program and the like which utilizes the stereo increased, it is said that "the FM conversion of AM" advanced.

By the way, FM broadcast originally is stereophonic broadcasting, but it assumes that in connection with the frequency bandwidth which is used, FM broadcast the sound quality is better than AM stereophonic broadcasting.