So this might be a dumb question but I’ve never understood how etching a Grove into some plastic can lead to the same sound as a human singing with backing instrumental? It just never made any sense to me
In: Technology
The only difference between my voice and your voice is the shape those waveform make as they travel through a medium. A microphone converts those waveforms into an electronic signal by using a piezoelectric crystal, and that exact shape is cut into the vinyl. A stylus is connected to another piezo crystal, and as it runs along the waveform cut into the vinyl, the same voltages are induced as when the microphone initially converted that physical movement of the waveform into an electronic signal, and the same sound that went into the mic comes out of the speaker. Microphones and speakers are, in many ways, the same thing only reversed.
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