Developers Notebook-Kernel Streaming
From WxWiki
Kernel Streaming (KS)
Normally, Developers_Notebook-Kernel_Streaming-DirectSound gets a 30ms latency because of the KMixer (Kernel Mixer) that all audio has to go through.
Kernel Streaming solves this by bypassing the mixer - but then you have to mix stuff by yourself, and will start to realize how nice Developers_Notebook-Kernel_Streaming-DirectSound is.
Rumored to have some bugs.
From Windows 98 and up. Rumored to be taken out of longhorn.
Links -