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Audio signals have somewhat standardized levels depending on the application. Outputs of professional mixing consoles are most commonly at
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is the path an audio signal will take from source to the speaker or recording device. Signal flow may be short and simple as in a
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are applied to render a digital signal for a transmission medium. Digital audio transports include
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systems represent audio signals in a variety of digital formats.
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Audio signals may be characterized by parameters such as their
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Representation of sound, typically as an electrical voltage
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convert an electrical audio signal back into sound.
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454:Understanding Records
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165:such as a
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