Using Your Headphones
You and your boom operator should always use professional cushioned
headphones, which cup the ear and block outside noise to make sure that
your sound is coming through clearly and that there’s no interference or
buzzing on the line. You can use earbuds (which fit in the ear), but you get a
less accurate indication of the sound recording because some background
noise still makes its way in.
Always verify your sound recording through headphones. At the start of each
day’s shoot, record some test audio and play it back in the headphones to make
sure your microphone and recorder are working properly (this includes your
camcorder’s audio if you’re shooting on video or digital). I’ve had too many
shoots where I forgot to bring headphones or earphones, and just assumed that
the camera was recording sound. One time, the microphone didn’t have a battery and didn’t record any audio. Another time, the external microphone wasn’t
plugged in properly to my camcorder; instead the camera was picking up sound
with the built-in camcorder mic, and you could hear everything in front of and
behind the camera (all of it louder than the talent on camera).Silencing footsteps with sound
blankets and foot foam
If you have actors walking on hardwood floors or concrete, especially women
in high heels, you need to put sound blankets on the floor. Sound blankets
are like the heavy padded sheets used in moving vans for covering furniture.
Sound blankets absorb the sound of the actors’ footsteps on a bare floor,
preventing the actors from stepping on their lines — literally. These blankets
absorb errant sound waves and prevent your dialogue from sounding tinny
or picking up too much reverberation. Of course, you only put sound blankets on the floor when the actors’ feet are not in the shot. You can also drape
sound blankets over vertical stands or hang from the walls to help absorb
reverb off bare walls.
You can also purchase foot foam from any sound rental company. This product is a foam rubber of varying thickness that can be cut and adhered to the
bottom of your actors’ shoes, enabling them to walk on hard surfaces without
making excessive noise and allowing the camera to show their feet as well.
If you’re on a limited budget, you can silence your actors’ shoes by using doublesided tape or glue to attach thin pieces of carpet padding to the bottoms of
their shoes. Applying the soft fuzzy side of velcro to the bottom of footwear is
another good trick.