Exam 1: Foundations of Audio for Image

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Frequency is expressed in units called Hertz.

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Hearing and listening are interchangeable terms.

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Low frequencies are non-directional due to their extended wave-lengths.

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Dialogue is typically panned to the onscreen position of a character.

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Audiation is to sound design as visualization is to character design.

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Audio codecs like AAC, mp3, and Dolby have less audio resolution than non-compressed PCM.

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Which device can produce the widest dynamic range?

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Sounds are typically processed with reverb to imply the space that the action is occurring in.

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The speed of light is faster than the speed of sound yet in film we typically hear an object or action at roughly the same moment we see it.

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At least 40,000 samples are required to accurately represent the frequency of a 20 kHz signal.

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Frequency response refers to the range of frequencies that a playback device such as a television can reproduce.

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Which device has the greatest frequency response?

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Sample rates reflect the dynamic range of audio while bit depths describe the potential frequency response.

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