PRAAT activities
Download PRAAT to complete the rest of this Points to Ponder.
·
Free Download PRAAT for windows
http://www.fon.hum.uva.nl/praat/download_win.html
·
Free Download PRAAT for Mac
http://www.fon.hum.uva.nl/praat/download_mac.html
9. Using PRAAT measure jitter, shimmer, and the Mean Harmonics to Noise Ratio of your voice. You will record your sample like you did in the past and then add a few additional analyses.
Once you record and save your waveform. Click on
View and Edit.
Highlight your sample using the cursor. Click on
Pulses.
Then click on
Show Pulses. Once your pulses are highlighted you can click on
Voice Report which is under Pulses.
You will see
a lot
of data. I only want you to record the numbers indicated below. 12 points
·
Record “ah” and sustain it for as long as you can.
o
Record your jitter number (local)__________________
o
Is your jitter number within normal limits?_____________________
o
Record your shimmer number (local)___________________
o
Is your shimmer number within normal limits?________________
o
Record your Mean Harmonics to Noise Ratio______________________
o
Is your Mean Harmonics to Noise Ratio within normal limits?_______________________
·
Record “Ah, what a wonderful day!”
o
Record your jitter number__________________
o
Is your jitter number within normal limits?_____________________
o
Record your shimmer number ___________________
o
Is your shimmer number within normal limits?________________
o
Record your Mean Harmonics to Noise Ratio______________________
o
Is your Mean Harmonics to Noise Ratio within normal limits?_______________________