SonaLab - Real-Time Vocal Analysis Software
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Voice Instability

声音不稳定

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.

The voice is shaking and unsteady.

In a Nutshell

A stable voice is like a calm lake surface; an unstable voice is like ripples on the water — shaky and trembling.

You Might Feel

FeelingDescription
Voice is shakingNoticeably unsteady
Can't control itThe harder you try to stabilize, the more it shakes
Trembling on sustained notesMore noticeable on long notes

Why Does This Happen?

CauseDescription
Unstable breathUneven airflow output
Vocal fold fatigueTired vocal folds lose control
NervousnessPsychological tension causes muscle trembling
Vocal folds not warmed upInsufficient warm-up

How to Improve

ExerciseHow to Do It
Sustained tonesHold a steady "ah" and keep it smooth
Diaphragmatic breathingStable breath support
RestFatigue makes the voice shake
Warm upVocal folds are more prone to shaking when not warmed up

Related Content

  • Voice Stability — Stability monitoring
  • Vibrato Tracker