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Microphones, Polar patterns and mic positioing
Microphones

Polar Patterns
The polar pattern of a microphone is the sensitivity to sound relative to the
direction or angle from which the sound arrives, or easier worded how well the
microphone "hears" sound from different directions. The most common types of
directionality are:…

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Bidirectional (Figure of eight)- A microphone with a figure of eight polar
pattern picks up the sound from in front of the microphone and from the rear
but not the side (90 degree angle). Microphones with this Figure of Eight polar
pattern are typically ribbon or Large Diaphragm Microphones.




Condenser…

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the coil. When the diaphragm vibrates in response to incoming sound waves,
the coil moves backwards and forwards past the magnet. This creates a current
in the coil, which is channeled from the microphone along wires.




Condenser-A condenser microphone is fragile and more sensitive to sound.
The pick up higher…

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Bass- DI box or dynamic mic

Acoustic guitar-condenser mic

Voice-condenser mic



Positioning Mics for each instrument

Drums




Overheads need to both be the same distance away from the snare
It is best to mic up the top and bottom of the snare to create a better
sound that can be…

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The congas can have a mic on the skin or under the congas to create a
different sound
A dynamic mic is best
When micing the skin, get the mic as close as you can without it
touching

Acoustic guitar

1. Split pair

Uses 2 condenser mics
Place one mic…

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Dynamic mic
The most common approach is to close-mic an individual speaker.
Place the mic off center to an angle for general recording
Electric Guitar
Microphone Placement Tonal Comments
Balance
1.) 4 inches from grille cloth at Natural, Small microphone desk stand may be used if loudspeaker
center of speaker…

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Use a condenser mic
If the singer is in a room with ambience and reverb that add to the
desired effect, the omnidirectional mic will capture the room sound as
well as the singer's direct voice. By changing the distance of the vocalist
to the microphone, you can adjust the…

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Upright piano




Microphone Placement Tonal Comments
Balance
1.) Just over open top, above treble strings Natural (but lacks Good placement when only one
deep bass), picks microphone is used.
up hammer attack
2.) Just over open top, above bass strings Slightly full or Mike bass and treble strings for
tubby,…

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Microphone Placement Tonal Comments
Balance
1.) 12 inches above middle strings, 8 Natural, Less pickup of ambience and leakage than 3 feet out
inches horizontally from hammers with lid well-balance front. Move microphone(s) farther from hammers to
off or at full stick d reduce attack and mechanical noises. Good
coincident-stereo…

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mellow sound
8.) Two surface-mount microphones Bright, Excellent isolation. Moving "low" mic away from
positioned on the closed lid, under the well-balanc keyboard six inches provides truer reproduction of
edge at its keyboard edge, approximately ed, strong the bass strings while reducing damper noise. By
2/3 of the distance from…

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