You’ll see a catch on some mic preamps and other sound rigging named Phase, Phase Reverse, Phase Invert, and so on. This is truly Polarity. Designers will discuss XLR associations being stick 2 hot versus pin 3 hot. This is additionally Polarity.
In the event that you have two mic components as near one another as would be prudent and joining them drops the general level essentially, somebody may depict that as having one mic out of Phase with the other, regardless this is Polarity.
Sound is vibrating air. Atoms are pushed then pulled, then pushed, then pulled etc. Those air vibrations are the compel that moves an amplifier component. At the point when the air pushes against the component, there ought to be an ascent above zero in the waveform. At the point when air pulls the component there ought to be a drop underneath zero.
This pushing or pulling is Polarity. In the event that you switch the Polarity, a push against the mic component will result in a drop underneath zero rather than an ascent above. It will likewise cause an ascent above zero for a draw of the mic component rather than a drop beneath. Presently some contend that you can hear a distinction on a solitary channel between Push = Rise vs. Push = Drop. I’m not going to contend that restricted or the other. The fact is: nothing moved prior or later in time. We just upset the push/pull relationship between gaseous tension and its electrical/inspected representation.