Audio is the most important part of the delivery. Location: Find a place with little outside noise, or choose a time to record when it is quieter. Make sure your space has a little echo. Reduce this by being close to the microphone and avoid hard surfaces. Hanging blankets, curtains or clothes will deaden the echo. This is why some people record in their clothes cupboard/closet. Microphone: Keep it close to your mouth but not too close that you can hear you breathing in. Use a microphone you can afford. A simple USB one does well. Avoid laptop built-in microphones when all you can hear is the CPU fan.
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