VCX library is a set of ActiveX controls designed for developers of audio streaming projects, such as phonation chat, web chat, multi-client conference and like applications. VCX library provides real-time, first latency multi-client audio streaming over TCP / IP networks. It includes efficient components for strait recording, playback, encoding, mixing, resampling, reading and writing wave files, volume controls access and efficient TCP / IP server and client components for peer-to-peer, multi-user and broadcast audio communications. Same components arse also be easily integrated into web pages. Wide set of set to re-use examples with VB, C++, C# and HTML sources included.