If you’ve got a collection of digital audio files (MP3, WMA, AAC, OGG, etc.), then there’s a good chance that you’ll want to edit some of them. An audio editor can be used to cut, copy, and paste sections of audio to enable you to manipulate your audio file anyway you like. They can also be used to remove unwanted sounds like clicks and pops, and can also convert between audio formats. Sound editing software can also be used to bring life to your music by enhancing audio detail that has been lost; boosting certain frequencies, and adding effects can significantly enhance a lifeless audio track.
Audacity is an open source audio editor that is available for several platforms (including Windows, Mac, and Linux/Unix). It is one of the most popular free audio editors in use today mainly due to its excellent set of tools. As well being compatible with MP3, WAV, AIFF, and OGG file formats you can use Audacity to record live audio, and convert analog audio such as tapes.
This compact free audio editor and recorder doesn’t need to be installed and can run on Windows 98, XP, and Vista. It has a good set of tools for editing digital audio files, has several useful effects, and can handle MP3, WAV,OGG, aif, aiff, wavpack, au/snd, raw binary, Amiga 8svx & 16svx, ADPCM Dialogic vox, and Akai S1000 audio formats. If you’ve already got a set of VST plugins, then you’ll be interested to know that Wavosaur is also VST compatible.
Wavepad Sound Editor is a feature-rich program that supports a good selection of file formats; this includes mp3, wma, wav, flac, ogg, real audio, and more. The program has all the familiar tools in order to edit audio files (cut,copy, and paste) and can use VST plugins to extend its capabilities. You can use it for noise reduction, click/pop removal, and adding effects like echo and reverb. Finally, Wavepad Sound Editor also comes with a CD burner to make it easy to backup your files once they have been processed.
If you’re looking for a program that does bit-perfect editing then Waveshop could be the app for you. The program’s interface is clean, well laid out, and ideal for quickly editing your sounds. It supports most formats including AAC, MP3, FLAC, Ogg/Vorbis, and comes with an array of advanced tools.
This is a great looking audio editor that has a lot of functionality too. It can work with a large selection of different file formats and has a good set of effects. There are some unique noise reduction tools such as, voice breath reduction that is very useful if you want to clean up voice recordings. The only downside to this program is that the free version only allows you to save your processed files as Wavs; upgrading to the deluxe version will unlock a lot more features.