In the context of voice disorder assessment, what is considered an abnormal level of jitter?

In the context of voice disorder assessment, an abnormal level of jitter is typically considered to be above 1.040%. Jitter refers to the frequency variation in the voice signal, and it is an important measure for evaluating voice quality and stability. A jitter level exceeding this percentage indicates a significant inconsistency in pitch, which can be indicative of underlying vocal fold issues or neurological conditions affecting voice production. Clinicians use jitter measurements to assess the degree of voice disorder, and values above this threshold often warrant further investigation and intervention.

The other values provided, while they may indicate increasing levels of jitter, do not align with the standard threshold commonly accepted among voice professionals for identifying abnormal voice patterns. Values above 1.040% signal a noticeable instability, making it a critical benchmark in voice disorder assessment.