This appendix contains the two programs that were used to determine
the D-error for finite speaker distances. The MAPLE program was used to
calculate the value of t0 which, when integrated from 0 to 
with respect to 
, becomes the D-error. The Fortran program
performs the actual integration. A typical case is shown, the specific
values of dist and frequency will change and produce a
different t0, which would then be changed in the Fortran program and
re-complied and then run again to determine the new values.