Recording the Audio Preview

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ABOUT THIS MODULE

Once the microphone picks-up sound, it is then encoded into either an analog or digital signal, then recorded to a device.  With advancements in technology, the quality of the recorded signal can be virtually indistinguishable from the original sound.  In this module, we explore how sound is recorded and encoded.

IN THIS MODULE

  • 35:09 video that walks you through how audio is encoded and recorded
  • Illustrated companion guide

LEARN

  • The difference between an analog and digital signal
  • How to set proper audio levels
  • What is the noise floor and how it can adversely affect your audio
  • What is the sample rate and bit depth of a digital signal
  • What is auto gain
  • How compressors and limiters work
  • What happens when audio peaks
  • What is the dynamic range of the recorded sound and recording medium
  • How to determine the gain structure in your audio device chain
  • How bars and tone work
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         Columbia College, Chicago
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