Alternatively, press CTRL+Z on the keyboard. Note: If the Noise Reduction effect doesn’t work as you expected, click Restore Defaults and try again with different settings.
Click OK to apply the effect to the selected ranges. Smoothing can make the desired audio less clear, so set the value to 0 if your desired signal is strong and the noise is low. Frequency smoothing (bands): Spread the noise reduction into the specified number of neighboring bands. Thus keep this control as low as possible. Greater sensitivity will remove more noise but it can damage the track. 
Sensitivity: Control how much of the audio will be considered as noise. 
So, keep this control as low as possible. Higher values reduce higher amounts of volume reduction, making the noise quieter but can distort the audio track.
Noise reduction (dB): Control the amount of volume reduction (0 – 48 dB) applied to the identified noise. Click the arrow button on the Audio Noise Reduction button (1), then select Get Noise Profile. Select the entire track or specify the range that contains only background noise. In general, the procedure to use the Audio Noise Reduction feature is to get a noise profile, then reduce the noise. Use Audio Noise ReductionĪctivePresenter lets you reduce noise for the whole audio track or just a part of it. Overall, this is a process of removing noise from an audio track. Therefore, noise reduction can reduce constant background noise like tape hiss, electric fans, or hums. Regardless of the microphone quality, there is a high chance that your recordings will have some background noise. It can help to improve your audio quality in general and recording quality in particular. So today, let’s take a closer look at the Audio Noise Reduction feature in ActivePresenter 8. In the previous post, you’ve known how to use audio effects from basic to advanced such as basic editing tools, audio fade, adjust volume, etc.
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