If the gain is too high, the microphone will pick up background noise and amplify it into static. The higher the gain, the louder the output volume of the microphone will be.
Remember that there are many useful tutorials about editing audio tracks on our Twitter, Tutorial page and YouTube channel, feel free to check it out.Lower the gain on your amp, audio interface, or mic to remove static.
Download ActivePresenter 8 to enhance the audio quality by using the Audio Noise Reduction feature. In such a case, you can create a recording made in identical conditions containing silence only, then use a noise sample from that to reduce noise from the target recording. Sometimes, the audio track doesn’t have any part that contains only background noise and you cannot get the noise sample.Continue picking the next part and reduce the noise until you get the desired result. So, you should get the noise profile for the first part, then reduce the noise for it. For example, after reducing noise for an audio track, there might be several parts that noise is not completely eliminated. If there are many different kinds of noise in different parts of the audio track, you should repeat the process several times.It will be lost in case you close the program or replace it with another noise profile. The noise profile you got will be stored in the application.You must select a minimum of 2048 samples or about 0.05 seconds at a 44100 Hz sample rate.
A selection of 2 – 4 seconds of only noise is recommended. When getting a noise profile, you shouldn’t choose a very short range because the app cannot get the noise profile.Some Tips When Using Audio Noise Reduction: Bear in mind that you don’t have to get a new noise profile if you think the existing one is good enough. 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.
Higher values reduce higher amounts of volume reduction, making the noise quieter but can distort the audio track.
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.