Audacity – A free multi-track audio editor and recorderĪudacity is a free software that allows users to edit and record audio for Windows, Mac OS X, GNU/Linux and other operating systems. There are many tools in this program that help users to expand their range of creating a different and unique sound. To edit the whole file, use Ctrl+A on a Windows computer or Command+A on a Mac. The most widely used features of the software are recording live audio, converting tapes and recording into digital recordings or CDs and editing WAV, AIFF, FLAC, MP2, MP3 or Ogg Vorbis sound files, cutting, copying, splicing or mixing sounds together AC3, M4A/M4R (AAC), WMA and other format. Open an audio file in Audacity and touch on one end of the audio file and drag the mouse to the other to choose the part for editing.
The specific technique I will highlight through this post is “noise removal” process using Audacity as main software. When one records audio sound, it is often that one’s computer is used and a built-in mic is used. Considering the quality of most built-in mic in computers, it is very common for recordings to have background noise.
This post will provide ways to remove such background noise after recording, using Audacity. The noise removal technique would be useful in projects that use voice over because it will produce clearer sound.
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