“Sensitivity” controls how similar the audio must be to the sample to be considered noise.
The greater the decrease, the more obvious the effect will sound. Audacity will edit the waveform to reduce sounds that match your noise sample by the chosen amount. Choose the decibel level by which you want to reduce the sound. Open “Effect -> Noise Reduction” from the menu bar again.Ħ. If the noise runs through your whole track, for example, select the whole track at this step.ĥ. Select the region of the track you want to remove the noise from. Audacity will mathematically analyze the selected noise so it can detect and remove similar noises later.Ĥ. When you click this button, Audacity builds a noise profile based on your previous selection. Click “Get Noise Profile,” which closes the window. Open “Effect -> Noise Reduction” from the menu bar.ģ.
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