The driver of this Great Western Railway train had no idea that he was making audio history. As most of you will know, a mono recording uses a single microphone and a single channel while a stereo one ...

Amid the multi-channel world of Dolby Digital 7.1 and surround sound, we don’t often stop to question what is it we’re seeking? (For this discussion, let’s ignore the video aspect of home ...

This column will be devoted to the basics of stereo for video, as part of my series on "the basics." Interestingly, stereo still isn't all that well understood in the video world. For the record, it ...

These days, most of the media we consume is digital. We still watch movies and TV shows, but they’re all packaged in digital files that cram in many millions of pixels and as many audio channels as we ...

The circuit was designed to provide 2 channels on a stereo mixer that will be used for microphones while having a crossfader operation. NE5532 – an internally compensated low noise dual operational ...

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, ...