Not only are higher frequencies responsible for the crispness of sound and for being able to cut through background noise, but the comprehension of spoken language relies heavily on vowel sounds in these higher registers.

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But the language, which sounds like Italian spoken through a mouthful of peanut butter, is beginning to rebound.

BBC: The Swiss train tourists don��t take

Malay remains the national language (there are four official languages), but it is not spoken by most Chinese and is largely seen as a relic of Singapore's past union with Malaysia.

ECONOMIST: Malaysia and Singapore: Aiming to avoid Indonesia’s way | The

But it brings up the shifting links between spoken and written or rather, published language.

ECONOMIST: English language

Spoken by two humans at once the Hosts could understand that it was an attempt at Language but something still prevented their understanding.

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