3 votes
Accepted

What causes a gravelly voice in young children?

As you stipulated no trauma and it has been lifelong, the first link you provided says that it could be down to Vocal cord paralysis Patients can be born with a weak vocal cord or develop weakness ...
Chris Rogers's user avatar
  • 6,195
1 vote

How can I avoid voice strain when using speech recognition all day long?

The best thing you can do is visit a speech pathologist (aka a voice coach) who can work with you to make sure you are not stressing your vocal folds and other parts of the speech pathway.
StrongBad's user avatar
  • 1,452

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