I'm trying to get a better understanding of how the circuitry of a headphone jack works for a project I'm building. Here's where I'm confused.
From what I understand, a standard TRS jack carrying stereo audio will have the the Tip carry the left audio, the Ring carry the right audio and the Sleeve act as a shield. It is also my understanding that the audio carried along the first two is comprised of basically an alternating current that is representative in its frequency of the audio signal.
Now here's where my confusion is... wouldn't each channel need not one but two wires in order to make a complete circuit? And if not, how can the electricity flow without a complete circuit?
Keep in mind I am just now revisiting the topic of electronics; for all intents and purposes, assume that I have no prior knowledge of circuitry outside of how a battery powers a lightbulb.
Thank you!
- Andy
From what I understand, a standard TRS jack carrying stereo audio will have the the Tip carry the left audio, the Ring carry the right audio and the Sleeve act as a shield. It is also my understanding that the audio carried along the first two is comprised of basically an alternating current that is representative in its frequency of the audio signal.
Now here's where my confusion is... wouldn't each channel need not one but two wires in order to make a complete circuit? And if not, how can the electricity flow without a complete circuit?
Keep in mind I am just now revisiting the topic of electronics; for all intents and purposes, assume that I have no prior knowledge of circuitry outside of how a battery powers a lightbulb.
Thank you!
- Andy