The archive file
hf1.tbz 7 626 676 bytes
is compressed with bzip2.
Uncompress it with bunzip2 to get hf1.tar:
and create the hf1 directory and its contents with tar:
tar xvf hf1.tar
The hf1 directory contains hf1.raw and all the setup files used by the dsp program. Copy the program file and dsp.errors (old name errors.dat) to the eme directory and run the program.
Press H to run the recorded data. Do not try any other mode, the parameters will most probably not fit your hardware. The display should produce the screen of fig.1 during the about 30 seconds playing time. Click on a signal with the mouse. Read mouse_on_graph.txt for more info. Listen to all the different signals.
The parameters are selected for small load on your computer. Try to enable second fft the % number in the lower left corner seems to indicate it will be possible. Use backfft version 1 if you have MMX.