This isn't necessarily a "homework" question, but I'd figure I'd ask here because I'd probably get more help. I'm just wondering how a sound wave in an electronic circuit would function, for example a note coming from a guitar or piano. Since the note is a sine wave with a specific frequency, would it act similar to an AC source? Would the peak-to-peak voltage be the sound intensity? Or would the sound intensity come from the current? Also, if I were to put this wave through a common emitter amplifier, would the inversion of the wave cause me any changes in the tone, or would it not be affected? I know these are kind of general questions, but I'm not looking for anything overly specific, just yes or no, maybe with a very brief explanation. Thank you in advance.