How to Use the Audio Pitch Shifter (Semitones & Cents)
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1
Upload an audio file (vocal, melody, or backing track).
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2
Adjust the Semitone slider from -12 (down an octave) to +12 (up an octave).
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3
Use the fine-tuning Cents slider (±50 cents) to match instruments with non-standard tuning.
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4
Play back the transposed track and export as a new WAV file.
Practical Example & Use Case
Common Real-World Scenario
Transposing a karaoke backing track down 2 semitones to comfortably match a singer’s natural vocal range.
Technical Notes & Limitations
Browser Engine Architecture
Pitch shifting modifies playback rate with high-precision buffer interpolation.
Frequently Asked Questions
How many cents are in one semitone?
There are exactly 100 cents in one musical semitone (half-step).