Release Notes: The code was updated to work with newer g++ compilers. The sound card device file ("/dev/dsp") is now specified in the header file so that it may be changed easily.
Release Notes: More code cleanup. A lot of code has been rewritten using the ncurses library. A pause feature using SPACE has been added.
Release Notes: A new utility for calibrating the mic threshold.
Release Notes: Code cleanups and some error handling.
Release Notes: Initial release.