About Pitch Witch
A free and open source voice analysis app specifically geared toward aiding speaking voice pitch and resonance training. The app is intended to be a useful tool for those who are already familiar with the concepts of...
A free and open source voice analysis app specifically geared toward aiding speaking voice pitch and resonance training. The app is intended to be a useful tool for those who are already familiar with the concepts of pitch and resonance and how they affect the sound of speech. Features . Monitor the pitch of your voice live from your device's microphone. . Switch between multiple pitch estimation algorithms (Yin or IRAPT). . Enable formant estimation to analyze vocal resonance. . Pinch to zoom and pan around the pitch chart for a closer look. . Customize the visual guide lines to help stay within a certain pitch range. . Save recordings for later inspection and playback. . Play, analyze, export, share, rename, or delete saved recordings. . No ads or collection of data whatsoever. Recordings never leave the device unless explicitly shared to another app.
Version History Version 1.0.2 improves pitch tracking accuracy and performance: • Added tentative pitch estimates as a faded line for better responsiveness with IRAPT. • Fixed crosshair display and selection accuracy in general. • Fixed crosshair selection on pitch charts for recordings being incorrectly offset after silent periods in the recording. • Improved performance of pitch charts overall. 1.0.2 11/09/2021 Version 1.0.1 fixes some bugs: • Reduced the maximum pitch recorded to 880Hz (A5). • Reduced formant estimation wonkiness. • Fixed pitch guide lines not movable when the chart is empty. 1.0.1 10/23/2021 1.0.0 10/21/2021
Previous Versions
Here you can find the changelog of Pitch Witch since it was posted on our website on 2023-09-04 13:10:11.
The latest version is 1.0.2 and it was updated on 2026-06-23 14:56:43. See below the changes in each version.
Pitch Witch version 1.0.2
Updated At: 2026-06-02
Changes: Version History Version 1.0.2 improves pitch tracking accuracy and performance:
• Added tentative pitch estimates as a faded line for better responsiveness with IRAPT.
• Fixed crosshair display and selection accuracy in general.
• Fixed crosshair selection on pitch charts for recordings being incorrectly offset after silent periods in the recording.
• Improved performance of pitch charts overall. 1.0.2 11/09/2021 Version 1.0.1 fixes some bugs:
• Reduced the maximum pitch recorded to 880Hz (A5).
• Reduced formant estimation wonkiness.
• Fixed pitch guide lines not movable when the chart is empty. 1.0.1 10/23/2021 1.0.0 10/21/2021
Pitch Witch version 1.0.2
Updated At: 2021-11-09
Changes: Nov 9, 2021
Version 1.0.2
Version 1.0.2 improves pitch tracking accuracy and performance:
• Added tentative pitch estimates as a faded line for better responsiveness with IRAPT.
• Fixed crosshair display and selection accuracy in general.
• Fixed crosshair selection on pitch charts for recordings being incorrectly offset after silent periods in the recording.
• Improved performance of pitch charts overall.
Pitch Witch version 1.0.2
Updated At: 2021-11-09
Changes: Version 1.0.2 improves pitch tracking accuracy and performance:
• Added tentative pitch estimates as a faded line for better responsiveness with IRAPT.
• Fixed crosshair display and selection accuracy in general.
• Fixed crosshair selection on pitch charts for recordings being incorrectly offset after silent periods in the recording.
• Improved performance of pitch charts overall.
Disclaimer
Official App Store Link
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