Class Notes on Multi-Dimensional Voice Program (MDVP)
Overview
This lecture covers the Multi-Dimensional Voice Program (MDVP), which is a tool used for acquiring, analyzing, and displaying voice parameters from vocalizations. The tool is especially useful for analyzing different vocal pathologies.
Key Components of MDVP
- Main Window: Upon opening MDVP, various interface elements are visible:
- Pull-down Menu Buttons: Located at the top left.
- Toolbar: Directly below the menu buttons, includes commonly used functions.
- Hotkeys: Many functions can be controlled through keyboard shortcuts, enabling complete analysis using just the keyboard.
Starting with MDVP
- Recording a Vocal Sample:
- Ensure the vocalization (sustained vowel) fills the entirety of the window.
- Record using either:
- The 'Record' button on the toolbar.
- The F12 key.
- Playback:
- Use the 'Play' button in the toolbar to review the recording.
Performing MDVP Analysis
- Initiating Analysis:
- This can be achieved via:
- The toolbar.
- The 'Protocols' menu.
- Pressing the F7 key.
- The program plays back the signal and performs the analysis.
- Viewing Results:
- Results are displayed in 'Window G' showing:
- Relative Average Perturbation (Jitter)
- Shimmer
- Noise-to-Harmonic Ratio
- Voice Turbulence Index
- Normal values are indicated within a green circle on the display.
Configuring MDVP
- Report Setup:
- Right-click to access 'MD VP Report Setup' for changing:
- Graphical display types.
- Parameters displayed in the analysis.
- Report Parameters Menu:
- Access this to view and adjust report parameters.
- Essential to change the gender setting for accurate normative data.
- Saving and Printing:
- Results can be saved or printed for further use.
Additional Analysis Example
- Abnormal Voice Analysis:
- Use the 'Macros' menu to run a 'Hoarse Voice Macro'.
- This analysis will likely show values outside the normal range, demonstrating the toolβs capability to analyze varied voice conditions.
Tips for Effective Use
- Ensure the gender for the user is accurately selected for appropriate normative results.
- For further assistance, refer to the 'Help' menu.
Conclusion
The MDVP is a crucial tool for voice pathology analysis, with various functionalities accessible through different methods such as toolbar actions, menus, and hotkeys. Proper setup and configuration are important for obtaining accurate and useful results.