Gear:

- When using a digital recorder it is not necessary to use an external microphone. I have found that it actually increases the amount of static recorded.

- When using a cassette recorder, be sure to use an external microphone and place the microphone as far away from the recorder as possible. Internal microphones can't get away from recording the gears working and placing the microphone as far from the recorder as possible helps reduce the gear noise.

- Omni-directional microphone...