A microphone or sound source, like a computer, is overloaded with sound.Reasons for distortionĪudio distortion can occur for a number of reasons. It will amplify the signal only up to its maximum capacity, at which point the signal cuts or clips at the maximum capacity of the amplifier. Clipping, in this case, occurs when an amplifier is pushed to create a signal with more power than its power supply can produce. It’s one thing to over-drive speakers, it’s another to over-drive an amp. This can be seen on the channel level, mixer level, and even the amplifier level. For the needs of this article, I’ll leave it at that. Clipping occurs when an audio component can’t provide enough power supply voltage to cleanly handle the signal. Typically, clipping is the reason for distortion as distortion is merely the audible detection of clipping. Another way to look at it is the loss of clarity is distortion, the addition of interference is noise. If you run a power cable next to an unbalanced cable, you’ll hear noise (interference) in the signal. Think of it like this, if you scream into a microphone and the mic can’t handle the loud volume, then the audio signal will be distorted. Noise is an external (random) signal added to the original signal. ![]()
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