So on the bottom trace, you can see an example of irregular vocal fold tremor.

From the sound, we can actually track the vocal fold position as it vibrates, and just as the limbs are affected in Parkinson's, so too are the vocal organs.

Vocal

Tri fold. Fold ...

There's no vocal.

They'll alter their vocal tone, often making their vocal tone much lower.

Fold.

Fold.

Fold.

Fold?

Fold Folder

Fold Stitch

Fold only

Audience Fold.

(Audience) Fold.

I fold.

Water consumption rose nine fold and energy use thirteen fold.

I'm late for my vocal lessons.

Fold File Tree

Fold Saddle Stitch

Audience Fold. JS

Audience Shake. Fold.

We see vocal tremor, weakness and rigidity.

It also suits your vocal color well.

Fold up the map.

Your word is 'fold.'

Oh it's 3 fold!

Fold up your wings

Back into the fold!

Within 20 years, GDP increased four fold, while exports increased more than ten fold.

This man refused to fold to the conventions of normalcy and just decided to fold.

Penguins are very vocal birds and really, really noisy.

A recital is a musical (vocal or instrumental) performance.

They're much more vocal, and they advocate for themselves.

Incomes have increased 20 fold.

That's a four fold increase.

So you fold the crust.

Meat consumption increased five fold.

Two eggs. Fold in gently.

Helen did fold her napkin.

She did fold her napkin.

We can fold a million times faster, we can fold in hundreds and hundreds of variations.

like how panels open and then they fold, they fold in, and then you close that panel.

Fold it in half, fold it in half, fold it again, until it gets long and narrow, and then we'll say at the end of that, that's a flap.

She was also vocal in her opposition to animal experiments.