A .NET library for writing audio related applications, with the ability to record, play and manipulate sample data.

A C# implementation of a Xiph.org Foundation Vorbis decoder.

Skype Voice Changer demonstrates how to use NAudio and Skype4COM to allow real-time effects processing of your voice during a Skype conversation.

Viva Music Player is a free and open source music player. It's using C# and NAudio audio library to play audio files.