reverse the phase of a signal

meme's icon

how I can reverse the phase of a signal (microphone) in real time?

I looked at the tutorials
(https://cycling74.com/docs/max5/tutorials/msp-tut/mspchapter04.html)
but can not find the solution

pdelges's icon

*~ -1.

meme's icon

Patrick, thank you very much
have a great time

Roman Thilenius's icon

or turn the microphone for 180°