Prior to the advent of digital exciters for FM radio, integration of an audio processor (with integrated stereo generator) was done via a baseband or multiplexed (MPX) signal connected directly to the ...

Testing FM receivers is not that much different than testing other pieces of audio equipment. Appropriate tests include the big six: level, frequency response, THD+N, phase, interchannel crosstalk, ...

We continue to receive letters to the editor about the idea of using mono instead of stereo in certain FM broadcast situations in response to original commentaries by David Bialik and Gary Keener.