The noise removal process consists of two steps â€“ creating a noise profile and removing the noise using the created profile. In such a case, the audio file should be re-recorded. Important: if the audio file contains a lot of noise, removing it may significantly reduce the quality of the main recording. The method described below will enable you to remove the background noise from the audio recordings. Removing the background noise during the pausesįrequently, during the pauses in an audio recording, you can hear background noise, such as the sound of the microphone or computer fan. The opened file will then be displayed in the form of an audio signal diagram: To do this, in the File menu, select the command Open. Open the audio file that you wish to edit. Editing audio stories using the Audacity programīelow, you can see the interface of the Audacity program after the program opens. A module which makes it possible to import audio files in different formats, such as AC3, AMR(NB), M4A, and WMA, as well as import audio from video files:įfmpeg-win-2.2.2.exe (version for Windows).įfmpeg-mac-2.2.2.zip (version for Mac OS X).Lame_Library_v3.98.2_for_Audacity_on_OSX.dmg (version for Mac OS X) Lame_v3.99.3_for_Windows.exe (version for Windows). A module which makes it possible to export audio files to mp3 format:.

The additional modules may be needed if it becomes necessary to edit audio files in different formats or export the edited audio to mp3 format.Īdditional modules for Audacity can be downloaded from the Lame site:įind the module name among those listed below and download it. Audacity 2.1.1 for Mac OS X (10.5 and higher) can be downloaded from the link: The Audacity programĪudacity 2.1.1 for Windows (Windows 2000, XP, Vista, 7, 8) can be downloaded from this link:

The installation guide for Audacity is included in the distribution package. For this example, we have chosen Audacity, a free, but sufficiently functional program. There are many audio editing programs available. Issues that might require fixing include background noise and extraneous sounds which are audible during the pauses, as well as poor recording quality. Sometimes, there are minor problems with self-recorded audio files, but these are relatively easy to fix.

Ffmpeg audacity 2.1.2