5.0.0 - sound pressure (decibel) graph added, design and performance improvements added

4.1.0 - refresh rate settings added

4.0.0 - landscape mode, 1s audio signal length and more improvements added

3.1.0 - frequency precision settings added

3.0.0 - 4 x faster tone fix, maximum audio sample frequency used

2.2.0 - tone visibility timeout added

2.1.1 - better "A4 Calibration" dialog

2.1.0 - frequency (power) spectrum enhancements

2.0.0 - A4 Calibration added, Reset Settings added