Sunday, March 13, 2016

How to Remove Static Using Audacity

Static in an audio file is never appreciated. To remove the static using Audacity, you will have to follow a few basic steps to locate, identify and eventually eliminate the static. Depending on the level of static, it may not be possible to remove all crackling and popping. Even professional music editors can't remove every trace of static in all recordings. However, it is possible to significantly improve the sound of a recording by following a simple process.

Step 1

Start Audacity and import the file you would like to improve by dragging it to the main work window pane or by using the import option located under the file menu of the program.

Step 2

Select the "Click Removal" option under the effects menu if you are editing an audio file that was obtained from a vinyl recording. If the recording is not from a vinyl recording, skip to Step 3. Listen to the audio by using the "Preview" function. If the audio sounds okay, click "OK" to remove any obvious clicks in the audio. You should keep the default settings to avoid removing important audio events.

Step 3

Using your cursor, select a segment of the music that is only noise. Aim to select at least 3 seconds of static.

Step 4

Select the "Noise Removal" option listed in the effects menu. Click the option for "Get Noise Profile" to analyze the selection from Step 3. This will tell the audio program what noise you want to eliminate.

Step 5

Click on the "Preview" option to determine if the changes you have requested will not destroy the integrity of the audio. If the audio file is distorted, lower the option in "Noise Reduction." Continue to do this until you have a suitable preview. Once finished, click "OK."

Step 6

Select the "Export" option under the file menu. Identify the type of audio file you want to save your file as and click "Save."