Music Tech Quiz

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Last updated 5:53 PM on 10/4/26
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25 Terms

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Range of Human Hearing

20hz to 20khz

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Dynamic microphones

  • less sensitive to sound

  • more durable

  • do NOT REQUIRE PHANTOM POWER


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Condenser Mic

  • more sensitive

  • better for quiet sources

  • less durable

  • REQUIRE PHANTOM POWER


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Ribbon Mics

  • vary in sensitivity

  • sounds darker

  • fragile

  • NEVER USED WITH PHANTOM POWER

  • not plugged into an XLR


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Proximity Effect

The closer a microphone is to a source, the more low frequency energy it will register (lower pitches)

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Cardioid directionality

Microphone picks up sounds in the front of the mic

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Hypercardioid

Microphone picks up a narrower range in the front

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Figure 8

Microphone picks up sound from front and back of mic

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Omnidirectional

Picks up sounds all around the mic

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Gain

Signal level at the input stage

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Volume

Signal level at the ouput stage

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Mono recording

using one microphone

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Recording in stereo

using two microphones

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Frequency

physical measure of vibrations per second, correlates to pitch which is psychologically and culturally situated process of categorization

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Doubling a frequency

Double hertz= increaing one octave in pitch

  • ex. 220hz to 440hz will be percieved as one octave change


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Amplitude

Difference between the highest and lowest pressure of a wave

  • loudness or volume


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Phase

where a wave starts in relation to an arbitrary starting time

  • if two recordings of the same sonic event or performance are out of phase, they can cancel each other out or create unusual or irregular variations in volume


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How does DAW measure amplitude

Decibel full scale (dbFs) which are negative numbers

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analog/digital converter

Converts voltage into digital information and vice versa. Takes thousand of samples of a sound signal per second

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Sampling rate

how many samples per second is it taking of the signal’s frequency content

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Most common sampling rates

44.1khz and 48khz

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Bit depth

the dynamic range available to your audio in the digital realm

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Most common bit depth

16-bit and 24-bit

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Lossless file formats

.wav and .aiff

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Compressed (lossy) file formats

.mp3 and .m4a