Long time, no post. I have already posted waveforms from different people when saying the alphabet and two phrases. Here I’m going to present almost all of them except the ones the sound wasn’t so clear. I also asked people to fill in details: students-form and these are the things I asked them to say: alphabet and phrases (there’s a mistake in the second form, it should be plane and not plain).
Here are all the waveforms (click on the images for enlargement):