RTV-3531 Lecture Notes - Lecture 1: Pistol Grip, Inverse-Square Law, Zoom Lens

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12 Sep 2017
Single-Cam Production Notes 1
-If you have bad sound, you have a bad project.
-Bad sound will overshadow everything else in the film
-Audio is more important than your video
-Bad sound sabotages everything - even content.
-Audience will forgive a certain amount of visual errors; not audio
-Cranking up the levels of audio if it’s too low will also crank up white noise.
-If you record sound that is too loud, it’ll be overmodulated, distorted, unintelligible, and will
have major issues.
-Distorted audio is distorted audio, no editing or tweaking can really fix that.
Simple Audio Guidelines (Five Sound Rules to Live By)
-Get the microphone as close as possible, without getting in the shot. The closer the mic, the
better the quality of the recording.
-Always wear headphones….Always! There are a wide variety of things that can ruin sound
that can be picked up by headphones, but not ears.
-Monitor the sound being recorded to camera. If using a mixer, monitor the sound. Many
mixers have a switch to monitor sound to camera. Plug the headphones into the monitor in
jack (phones).
-Scout your location for sound issues. Whether indoor or outdoors, investigate your location.
Try to scout the location on the same day that your are shooting.
-Always record wild sound, atmosphere, or room tone. The purpose of this is to smooth out
audio inconsistencies in editing. A) you need to do ADR after shooting (After-Dialogue
Recording) B) You may need to fill in extra room tone for ADR.
Character of Sound
-What happens when we “hear” something?
-Dynamic range
-Human ear has a dynamic range of 130db
-Good audio recorders have a dynamic range of about 100-120 db
-Frequency range
-Human ear can sense frequencies as low as 20 Hz and as high as 20,000 Hz
-Human ear is much more sensitive to mid-range frequencies.
-Everything that a microphone records is analog.
-Standard is 48 KHz, 16 bits
-Stereo vs. mono
-Line vs. Mic
-Use line when connecting from an external device such as a mixer.
-Line is a stronger signal and input is less sensitive.
Choosing the Microphone
-Condenser vs. dynamic
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