A program to do a spectrogram of a sampled sound file.  This is a graph
with time on one axis, frequency on the other and the sound intensity at
each point determining the pixel color.  With source in C, including FFT
routine.  

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  294     974  30.2% -lh5- 1cbe Mar 22  1990 SeeHear.info
[generic]                   39      39 100.0% -lh0- 7c22 Mar 22  1990 SeeHear/.info
[generic]                24523   38136  64.3% -lh5- f75f Mar 22  1990 SeeHear/DEMO_SOUND
[generic]                33809   66204  51.1% -lh5- e479 Mar 22  1990 SeeHear/SeeHear
[generic]                11708   41923  27.9% -lh5- 2358 Mar 22  1990 SeeHear/SeeHear.c
[generic]                   67      91  73.6% -lh5- fc1d Mar 22  1990 SeeHear/SeeHear.cmd
[generic]                  103     370  27.8% -lh5- 0235 Mar 22  1990 SeeHear/SeeHear.info
[generic]                 2450    5292  46.3% -lh5- 33d1 Mar 22  1990 SeeHear/SeeHear.readme
[generic]                  447    2570  17.4% -lh5- a1bd Mar 22  1990 SeeHear/SeeHear.readme.info
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         9 files   73440  155599  47.2%            Mar 22  1990