http://kxproject.lugosoft.com/ The following features are either fully supported or partially supported in the latest release of the kX Audio Driver:
* Wave Recording & Playback
* MIDI Synthesizer (Soundfont-based) and MIDI UART In/Out
* DirectSound 2D and DirectSound 3D
* Full ASIO and GSIF support
* DSP Microcode Loading/Unloading
* Full AC97 codec control
* AC3 Software Decoding
The kX Driver is FREE and will remain FREE.