Provide Win32 static linked codec libraries with source code implementing ITU G.722, G.723.1, G.729a, G.726, and G.728. Also provide audio arithmetic such as AEC, VAD, AGC, VoiceXML. [Commercial]

A sound engine for Windows. It provides powerful sample, streaming, and module playback functions and can be used with and without DirectSound. It distributed in two forms: static (.lib) or dynamic (.dll) libraries.