yes, this is a video forum. But, it seems there's a few folks who don't know their octaves from their resonances. here's a helpful little piece:
http://www.electroacoustics.co.uk/article/essroom.htm
The audio portion of a video can make or break a piece. If the ears get tired, watch your audience start to squirm and lose attention with the video. Since videographers are primarily that, and not audio engineers, they tend to not understand the dynamics of vibration. There are even some of you who look down their noses at "pro's". Ah well, bunky, I feel for ya.