Features that appears in WIDI 4.0 are selected with bold.

• Audio input in various formats: wave, mp3, CD-Tracks, aiff, wma and others.
• First conversion result within seconds, newbies can use Recognition Wizard.
• Several recognition algorithms with wide tuning capabilities.
• New Euclid recognition algorithm extends recognition quality.
• Drum detection feature.

• Analyze and compensate tuning of audio file.
• Analyze musical tonality of audio of MIDI file.

• Equalizer settings can be saved for further use.
• Two-layers equalizer with scale mask feature – avoid off-scale notes with one click.
• Equalizer automatically receives tonality info from Composition Analysis engine.

• Realtime audio-to-MIDI transcription - get MIDI notes as you play your "analog" instrument!
• Tunable recognition parameters allows to reach best transcription accuracy.
• Sliding spectrogram helps to find optimal parameters on the fly.

• Record audio with WIDI's built-in recording module.
• Built-in MIDI Player with simple operations.
• Convert multiple audio files at once.
• Switch between languages or create your own translation of WIDI.

• Powerful piano-roll editor with spectral background for visual comparison of peaks with notes.
• Precise bar-line arrangement feature, manually or by tapping strong beats.
• Score viewer allows to see the result as scores during editing.
• Cursor ruler and switchable note labels for the convenience.