Open up a Sonogram view in the MediaTools application or a similar sound visualization tool say some vowel sounds. Is there a distinctive pattern? Do “oh’s” always sound the same? Do “ah’s”? Does it matter whether you switch people: Are the patterns the same?

What will be an ideal response?

Yes, there is a distinct pattern, though there is a lot of variation between people and between different ways of saying the sound. In particular, “oh” depending on its pronunciation generally has a consistent long-shape leading down to a sharp ending, while an “ah” generally looks like a single sharp crest. With different individuals, the patterns look somewhat similar, but may look lower or higher depending on a person’s voice.

Computer Science & Information Technology

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