Open source audio – audacity
Making pretty audio
Audacity is one simple and very easy to use audio recording, editing open source software. It also can be used on multiple platforms.
You can record audio with it, adding some special sound effects, and editing the audio. It is also easy to import and export the sound. It supports Mp3 format and Ogg format. Ogg format can be easily played using HTML5 technique on web.
After recording,editing the sound and music, you can use Sound Manager to play it online.