Monophonic Synth - Online Play with Oscillator & Envelope
Play a simple monophonic synthesizer with your keyboard. Choose waveform, attack, decay, and filter. For music fun.
UD5 Toolkit
Interactive vocal range chart with piano keyboard visualization. Explore the full spectrum from deep Bass (E2) to soaring Soprano (C6). Includes frequency data, MIDI notes, and a voice type finder.
Select your comfortable lowest and highest singable notes to discover your likely voice classification.
| Voice Type | Range (Scientific) | Lowest Freq. | Highest Freq. | MIDI Range | Common Subtypes |
|---|---|---|---|---|---|
| Soprano | C4 – C6 | 261.6 Hz | 1046.5 Hz | 60 – 84 | Coloratura, Lyric, Dramatic, Soubrette |
| Mezzo-Soprano | A3 – A5 | 220.0 Hz | 880.0 Hz | 57 – 81 | Coloratura, Lyric, Dramatic |
| Alto / Contralto | F3 – F5 | 174.6 Hz | 698.5 Hz | 53 – 77 | Coloratura Contralto, Dramatic Contralto |
| Countertenor | E3 – E5 | 164.8 Hz | 659.3 Hz | 52 – 76 | Sopranist, Haute-contre |
| Tenor | C3 – C5 | 130.8 Hz | 523.3 Hz | 48 – 72 | Leggiero, Lyric, Spinto, Dramatic, Heldentenor |
| Baritone | G2 – G4 | 98.0 Hz | 392.0 Hz | 43 – 67 | Lyric, Dramatic, Verdi, Baryton-Martin |
| Bass | E2 – E4 | 82.4 Hz | 329.6 Hz | 40 – 64 | Basso Profondo, Basso Buffo, Bass-Baritone |
* Frequencies calculated using A4 = 440 Hz standard tuning. Ranges represent typical classical voice classifications; individual ranges may vary.
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