Turn your computer into an advanced reference quality instrument tuner. - Works with almost any instrument. - Standalone and VST plug-in versions. - Range of 9+ octaves (C0..C9 for sine waves - may be smaller for complex sounds). - Accuracy of better than 0.1 Hz up to ~C8. - Supports lots of different temperaments and scales. - Add your own custom scales and temperaments. - Low-latency audio support (WASAPI and ASIO). - 'Auto' and 'Manual' note selection modes. - 'Tone' option for reference signal. - Real-time spectrum analyzer graph. - Full screen mode. - 'Report' dialog for creating a table of measurements (useful for instrument makers). - Optional calibration of ambient noise level, microphone type and line-noise filtering. - Optional MIDI I/O: Select note using a MIDI keyboard or transmit detected notes. - Optional MIDI I/O: Send/receive MIDI Tuning Standard messages.