Definition reprinted with permission from Hood, Stephen B. (editor) available from Stuttering Foundation of America: Stuttering Words (Publication No 2: Speech Foundation of America)
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An interference with vocal fold vibration often resulting from vocal misuse such as excessive laryngeal tension: often caused by yelling, shouting or other forms of vocal abuse. The vocal quality is perceived to be a combination of a harsh and breathy quality. Pitch breaks are common and the pitch is frequently too low and restricted in range.