Audio - a very brief history of time.

I am back to Johns Hopkins teaching this semester and really enjoying it. This semester’s class is Audio Science and Technology, one of my favorites. We review core technologies in audio from acoustics to amplification to DSP. I always start the class with a history of audio starting back in the late 1800’s. It is fascinating to me that we can, with very broad strokes, roughly break the history down into four buckets.

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