spectrograph
The program analyzes sound when you talk into a Headset microphone
... worked for USB headsets, but at the moment it only works for Jack-plug headsets. So please try it with a Jack plug headset.
The complete source code is included as an ASM file in 2 copies, one copy is ready for assembly with the Qeditor of free MASM32 package, and the other copy is ready for assembly with the free FASMW assembler.
Using the ASM file one can try to make improvements to the sound-analyzing.
I have removed from it one word which was triggering a false positive in Avast!