Jitter represents _____

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Prepare for the SG CSD Prequalifying Exam with our comprehensive quizzes! Study with multiple choice questions and detailed explanations. Boost your exam readiness!

Multiple Choice

Jitter represents _____

Explanation:
Jitter measures cycle-to-cycle perturbations in the fundamental frequency of the voice. In a steady voice, each pulse from vocal fold vibration occurs at nearly the same rate, so F0 stays constant across cycles. Jitter captures tiny timing irregularities from one cycle to the next, reflecting instability in vocal fold vibration. This is different from shimmer, which concerns cycle-to-cycle changes in amplitude (loudness). It’s also not about frequency variation across vowels, or overall changes in vocal intensity. So the best description is cycle-to-cycle perturbation in frequency.

Jitter measures cycle-to-cycle perturbations in the fundamental frequency of the voice. In a steady voice, each pulse from vocal fold vibration occurs at nearly the same rate, so F0 stays constant across cycles. Jitter captures tiny timing irregularities from one cycle to the next, reflecting instability in vocal fold vibration. This is different from shimmer, which concerns cycle-to-cycle changes in amplitude (loudness). It’s also not about frequency variation across vowels, or overall changes in vocal intensity. So the best description is cycle-to-cycle perturbation in frequency.

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