B Proficiency Flashcards by Liz Sprague | Brainscape

Q

Sample rate

A

snap shots across time

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Q

Bit depth

A

headroom

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Q

How do sample rate relate to digital audio?

A

quality and intelligibility

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Q

Sample rate measured in

A

Hz

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Q

Common sample rates

A

44.1, 48, 88.2, 96, 192

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Q

Nyquist says

A

we need at least double the frequency

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Q

human hearing

A

20-20k

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Q

oversampling prevents

A

aliasing (artifacts)

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Q

quantization

A

resolution of audio (resolution) - more headroom!

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Q

Common bit depths

A

16, 24, 32-bit float

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Q

condensor

A

2 polarized plates (electromagnetic)

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Q

dynamic

A

has a coil (electrostatic)

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Q

ribbon

A

thin corrogated metal diaphraghm (electrostatic)

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Q

tube mic

A

2 plates polarized with vacuum tube

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Q

normal flow

A

no extra patches

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Q

half normal

A

normal until you make a patch then it cuts out the signal

Q

fully isolated

A

must patch everything

Q

difference between 24 bits and 16 bits?

A

24 has 144dB of headroom, 16 has 96, so 48dB more at 24