If Joyce is the only member in her family who plays an instrument, she has less chances at becoming a more talented pianist than Tim. Because Tim's father and older sister are both musicians, he has the genes to become a more talented pianist, Therefore, it is Tim who will most likely become the more talented pianist.
Voice, because to dictate it to speak. We can find the base word of dictate in diction. Diction is the use of words in speech and the enunciation of those word while speaking. We know it must be voice because the sentence says the doctor uses a voice recorder in stead of physically writing notes.
