Low pass filter audacity

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But let’s be honest it’s unlikely you will eliminate all noise from your recordings, but you can minimize it to acceptable, even unnoticeable levels. Fortunately, there are audio tools to address both types of noise. Random noise is trickier and comes from sources like nature, people and traffic. Mics, mixers and cameras can add noise too. Constant noise comes from things like air conditioners, motors and transformers.

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We can boil them all down to two main types: constant noise and random noise. It’s everywhere and comes from many different sources.