Measures
Frequency Tremor (F0 Modulation): Measures cyclic variations in fundamental frequency (pitch). FTrF indicates the rate of modulation (Hz), FTrI indicates its intensity (%).
Amplitude Tremor (Loudness Modulation): Measures cyclic variations in voice intensity (loudness). ATrF indicates the rate of modulation (Hz), ATrI indicates its intensity (%).
Recording Tips
What to Record
Sustained /a/ vowel at comfortable pitch, using a natural voice
Duration
Hold for at least 5 seconds — longer recordings give better tremor resolution
Steadiness
Try to keep pitch and loudness as constant as possible throughout
What to Avoid
Intentional pitch or loudness changes, background noise, recordings under 3 seconds
Drop your sustained vowel recording here
or click to browse
Supports: WAV, MP3, M4A and many more • Maximum: 25MB