From the course: Digital Audio Foundations
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Overview of a signal path
- The first step in understanding how audio and recording works is having a mental map of the signal path. It's like knowing the neighborhood where you live. If you didn't have a mental map, you'd be lost, wandering around not knowing where you are or where you're going. In audio, when you fully understand the signal path, you'll know where to go and what to do to accomplish your audio goals. Let's start by describing a very simple signal path, like a microphone setup for someone delivering a speech. To keep things simple, let's use an example with only the acoustic and analog domains. First, sound is produced by someone's voice. This is in the acoustic domain. Next, the acoustic soundwaves move a microphone's diaphragm back and forth. The mic's circuitry translates these movements into electricity. Back and forth turns into positive and negative. A microphone is a type of transducer. A transducer is something that changes energy from one form into another. In this case, an acoustic…
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