← Symptoms
Increase breath support: Use the abdomen (diaphragm) to support airflow Humming exercises: Feel vibrato emerge naturally during humming Light, quick scales: Use light, quick scales to help establish vibrato Vibrato Tracker Voice Instability
Insufficient Vibrato
颤音不足
SonaLab is a voice analysis and training tool, not a medical device. Symptom detection and scores are for reference only and do not constitute medical advice or diagnosis. Consult a qualified physician for persistent voice discomfort.
Vibrato is too little or completely absent, making the voice sound "straight" and lacking movement.
In a Nutshell
Vibrato is too little or completely absent, making the voice sound "straight" and lacking movement.
How to Identify
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Vibrato Tracker
Rate: 2.5 Hz ← 🔴 Too slow (normal 4.5–7.5 Hz)
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Why Does This Happen?
| Cause | Description |
|---|---|
| Excessive vocal fold tension | Vibrato cannot develop naturally |
| Unstable breath control | Cannot sustain steady vibrato |
| Insufficient muscle coordination | The muscle groups involved in vibrato are not yet developed |