Music Quiz / Microphones 1-3

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Can you name the Microphones 1-3 Facts?

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HintAnswer
The simplest kind of microphone is the ______ operated microphone
The polar pattern of this mic is ___
The microphone operates normally at ___
However, at HF, there is reduced output behind the microphone due to ____
Also, at 90 degree angle, there is reduced output due to ___
When designing a microphone for flat on-axis response, a ____ at _____ is needed
When designing a microphone for flat _____ response, a ____ is needed at ____
Another way that a microphone can be operated, similar to pressure operation, is via _____
In this configuration, a ___ is exposed to sound from ____ sides
The ______ difference results in a _______ difference
Which results in a ___ difference between the ____ on each side of the microphone
This is a _________
The maximum pressure gradient ___ with frequency
The pressure gradient has the same ____ as the signal, but with a ____ difference
At HF, there is a _____ area of pressure behind the diagphragm
This is due to _____
Therefore the microphone is ______ at high frequencies
At ___ degrees and ____ degrees there is equal ___ on each side of the diaphragm
Therefore the polar pattern for a PG mic is ____
Sound pressure falls off with _____
Equation for bass tip up?
Where a is ____ between the front and the back
Where d is ____ between the front and the back
For small values of a, the ______ is much _____ than when the source was _____
As a increases (due to _ increasing), the _____ becomes much more ____ in magnitude to how it was when the source was ______
As a increases further, the ____ begins to become ____ in magnitude than it was when the source was ____
The ____ effect can be summed up as....
_____ in ____ for a close LF source and ______ in ______ for a close HF source
Pressure gradient is very ____ at LF, and ____ with each ____ increase in frequency
HintAnswer
The microphone is designed to compensate for this, with a diaphragm ____-_____ that ____ per ______
The bass tip up _____ point is at a ____ frequency the ____ the source is to the mic
This affects any microphone with a ____ component to its _____
Equation for radius response of an omni mic=
Equation for radius response of a figure of 8 mic=
By ___ the two polar patterns, a ___ pattern is created
There's an _____ on the inside, to delay the sound signal
When sound approaches from ____ degrees, the ___network delays the internal sound, so the inner and outer path lengths are _____
At an 180 degree angle of incidence, the internal delay of the rear wave due to the acoustic network is ___
The external delay for the rear wave, with reference to the front wave, is ___
The total delay for the rear wave with reference to the front wave is __
At a 0 degree angle of incidence, the internal delay of the rear wave due to the acoustic network is ___
The external delay for the rear wave, with reference to the front wave, is ___
The total delay for the rear wave with reference to the front wave is __
At a 90 or 270 degree angle of incidence, the internal delay of the rear wave due to the acoustic network is ___
The external delay for the rear wave, with reference to the front wave, is ___
The total delay for the rear wave with reference to the front wave is __
r equation for a cardiod?
What is the directivity factor of a microphone a ratio of?
What is the random efficiency?
What is the unidirectional output a ratio of?
General equation for a first order microphone?
The distance factors for a microphone, are the distances required to experience the same ratio of what for each polar pattern?
What is the forward acceptance angle? The point at which....
General equation for second order microphones?
Where what two rules are true?
What happens to the spectrum of on-axis sounds when they are captured by a parabolic reflector microphone?
What happens to the spectrum of off-axis sounds in a gun microphone?

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