How to Reduce Background Sound via Audacity Tool?

Have you experienced a continual and consistent hiss or whistling sound in the background while trying to do a simple voice narration? Then you do not need to worry about the issue. We are suggesting simple ways to resolve this issue. Please give a chance to Audacity software to reduce or remove background noise. For the Windows users, Audacity is a free and cross-platform audio software. It is an open source and easy to use software for the Windows. In this post, we will cover a technique of splitting and merging Audio files with the help of Audacity. Today, in this article we will know how to reduce background noise in a recording via Audacity Tool. Steps to Reduce or Remove Background Noise:- The Audacity features ‘Noise Reduction’ audio effect. You can use this tool to remove or reduce some types of noise from a recording. This will works effectively with sounds such as- background hiss. First, you need to select audio to reduce the noise levels, that is just the noise and create a ‘noise profile.’ When the Audacity gets the noise profile, it will automatically reduce any kind of loudness of noise in audio that you have select. Add a voice file to the app to start the process. The Audacity tool can import any common audio file formats such as- WAV, AIFF, and MP3. Then look at the stereo waveform. Get the left channel in the top half of the track and the right channel in the bottom half. Noticed that where the waveform reaches closer to the top and bottom of the track, the audio is louder. Observe the stereo wave pattern to see which parts are quiet. Click and drag over a quiet part and select it. Then, move to Effects menu. The Audacity tool comes with many built-in effects. Apart from this, all of the effects have a dialog that will help you to hear the audio as changed by the impact before you apply the effect to the waveform. After accessed, move to the ‘Noise Reduction’ and click on it to open a Window. Next, search for the option reading ‘Noise Profile’ option, and then click on the Ok button. Select the part of the sound file that has the voice over. Suggestion- You can repeat the same process to sequentially and modify the noise reduction level if you want to do. After completing all the above-given steps, select OK. Then you will see, the file’s wave pattern is modified as the noise levels have been reduced, gradually. Play the sound to check this level. Audacity will save your time due to Spectral Selection capability. It is a characteristic feature within Spectrograms, that will help you to the frequency content of audio then edit selected frequencies. Please note- This tool is especially useful for voice recordings. Among other purposes, Spectral Selection and editing can be used as mentioned below:- Enhancing certain resonances Changing the quality of a voice Removing the unwanted sound by eliminating frequencies Removing mouth sounds from voice work. We hope that this post will works for you to reduce background noise in a recording via Audacity Tool. Source: https://how-to-activate.net/how-to-reduce-background-sound-via-audacity-tool/