Ok, I was playing around with recording after reading the ghost thread and noticed something interesting. When I put my hands close to the mic, bass frequency increases. Allow me to illustrate. 1st, we have a regular waveform. No noise or anything, just plain.
Then, in the next waveform, I put move my hands around the mic. Each time my hand gets close, bass frequency increases. Furthermore, if I increase muscle tension in my hands, the amplitude becomes a tad louder (though not much). At no time did my hands touch the microphone (or anything else, for that matter... except of course to start the recording).
This is the same type of thing that electromagnetic interference would do (although usually at a higher frequency). So what does that mean? Hell if I know. Could simply be that my hands are causing certain frequencies to bounce into the mic more than others. But if that's the case, you would expect changes in pitch with different shapes of the hand, and that's not the case. The only thing affected is amplitude.
You can download the waves here.
Then, in the next waveform, I put move my hands around the mic. Each time my hand gets close, bass frequency increases. Furthermore, if I increase muscle tension in my hands, the amplitude becomes a tad louder (though not much). At no time did my hands touch the microphone (or anything else, for that matter... except of course to start the recording).
This is the same type of thing that electromagnetic interference would do (although usually at a higher frequency). So what does that mean? Hell if I know. Could simply be that my hands are causing certain frequencies to bounce into the mic more than others. But if that's the case, you would expect changes in pitch with different shapes of the hand, and that's not the case. The only thing affected is amplitude.
You can download the waves here.