SIL Speech Analyzer: Tutorial Part 2 Dr. Barbara Brindle CD 508 – Voice Disorders Dr. Dudley Bryant PHYS 130 - Acoustics.

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Presentation transcript:

SIL Speech Analyzer: Tutorial Part 2 Dr. Barbara Brindle CD 508 – Voice Disorders Dr. Dudley Bryant PHYS Acoustics

Measurement OR.. overcoming your fear of Instrumental Analysis

Instrumental Evaluation: Tasks Sustained Vowel Intoned Vowel Conversation Reading

Instrumental Analysis: Data Frequency – range & average Intensity - range & average Duration of signal Musical note conversion [optional] Depicts pitch and rhythm using musical notation Spectral Characteristics No numerical report of jitter, shimmer, or noise to harmonic ratio Visually inspect spectogram & spectrum.

Status Bar

Status Bar: Left to Right Location of Beginning cursor on x-axis – represents point in time being measured Time interval between beginning and ending cursors Semitones/ deciBels/ % of graph Frequency in Hz/ % of graph

Be careful to note which cursor you are manipulating in which graph. The values in the two right hand status boxes will change depending upon the graph being manipulated.

Demonstration

Clinical Benefits of Instrumental Analysis Supplements perceptual evaluation by quantifying data Measures progress/change Biofeedback

Role of Speech Analyzer in Voice Disorders Not magic Not rocket science Simple, but effective, tool Affordable shareware