Graphedit to debug audio and video problems
REALtime FM MP3 Recordeing. When you load as many codecs as I do, it is often mysterious what is really going on, so there is a tool called graphedit from DirectX toolkit lets you find it.
You load the File Open and you can see what DirectX would actually load. You can load it from digital-digest.com and learn more about it. A super useful tool.that Chris has a good tutorial on.