Your question is worded very oddly, but to attempt to answer it, headphones (most) operate off of an analog signal from a DAC (digital to analog converter). In any analog setup you’re going to have some amount of signal transmission or line noise unless the two transmission lines are entirely shielded or entirely separated.
This seems most plausible. OP, if you have a multimeter you could try to trace which TRS terminal has continuity with the damaged wire (if it’s exposed) and see which signal it’s supposed to carry.
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Your question is worded very oddly, but to attempt to answer it, headphones (most) operate off of an analog signal from a DAC (digital to analog converter). In any analog setup you’re going to have some amount of signal transmission or line noise unless the two transmission lines are entirely shielded or entirely separated.
This seems most plausible. OP, if you have a multimeter you could try to trace which TRS terminal has continuity with the damaged wire (if it’s exposed) and see which signal it’s supposed to carry.