Ianier Munoz did it again... After his articles on using Managed DirectX 9.0 and C# to write a drum machine for Windows and on porting it to Pocket PC, he now has a new article on writing a Digital Signal Processing (DSP) plug-in for Microsoft's Windows Media Player 9.0 using C#. He certainly knows what Duncan Mackenzie means with "Coding for Fun"...
Writing A Complete DSP Plug-in for Windows Media Player 9 in C# This article shows how to build a complete DSP (Digital Signal Processing) plug-in for Windows Media Player 9 in C#. The accompanying sample code comprises of a Phase Shifter DSP plug-in and a User Interface plug-in for controlling the DSP plug-in parameters in real-time.