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SIL Speech Analyzer: Tutorial

SIL Speech Analyzer: Tutorial. Dr. Barbara Brindle CD 508 – Voice Disorders Dr. Dudley Bryant PHYS 130 - Acoustics. Order from: www.ethnologue.com Academic_Books @ sil.org 972-708-7404 $19.95 + shipping. Speech Tools 2.1. Service Bulletin SIL Software Update Disk 5 Installation Error.

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SIL Speech Analyzer: Tutorial

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

  2. Order from: www.ethnologue.com Academic_Books @ sil.org 972-708-7404 $19.95 + shipping Speech Tools 2.1

  3. Service BulletinSIL Software Update Disk 5 Installation Error

  4. Getting Started

  5. What Do These Graphs Represent?

  6. Waveform

  7. Linear Magnitude

  8. Frequency

  9. Spectogram

  10. Spectrum

  11. Melogram

  12. Measurement OR .. overcoming your fear of Instrumental Analysis

  13. Instrumental Evaluation:Tasks • Sustained Vowel • Intoned Vowel • Conversation • Reading

  14. 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.

  15. Status Bar

  16. 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

  17. 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.

  18. Demonstration

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

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

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