It is difficult for us to imagine now how mysterious the world once seemed. Ailments came and went and no one knew what caused them. When we were finally able to see the world of life that exists just beyond our ability to see without aid, it was an astonishing moment that allowed for giant leaps in all sorts of scientific fields.
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What's an Audio Format Audio format refers to the way an audiobook is recorded. Not all audiobooks have the same formats. Classic Audio: A human reading an audiobook without the text displayed. VOICEtext (H): Human narrator with text that you can follow along with as it reads. VOICEtext (S): Synthetic voice with text you can follow along with as it reads.
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