Digital Audio


http://www.wired.co.uk/magazine/archive/2012/08/how-to/make-8-bit-chiptunes

Audioboo - mobile and web platform for recording and sharing audio
Audacity - Free software for recording and editing audio
Wavosaur - Free software for recording and editing audio
Chirbit - Record, upload and share audio
Vocaroo - Voice recording service

These are just a few of the resources that are available online. For a whole lot more check out Martin Burrett's fantastic ICTMagic Wiki