5.0

5.0 - 20190213

• Restored naturalreaders engine support

4.6

4.6 - 20161228

• some sox command optimizations
• add sox "lowpass 4000" when converting to pbx format for better results

4.5

4.5 - 20161218

• introduced playback engines (currently implemented mplayer only)
• many script refactoring

4.4

4.4 - 20161028

• implemented -C option to write/overwrite the izsynth user config file
• some sanity checks to detect the $HOME directory of user

4.3

4.3 release

4.2

minor code cleanup

4.1

TODO and Changelog

4.0

Update README.md