An important aspect of the technical side of getting a good recording is to
properly set the volume level of the recording input. This is the
level at which your recording device is receiving your voice while you read.
You want to avoid having it being too low or too high. A level set too high
results in distorted sound. Set too low, and you often end up with
too much noise (i.e., hiss or hum) when your recording is later
amplified to a standardised level.