Because it's so hard in water and to maintain voice features, one of the other aspects of this is that when you dive down the pressure increases, the water pressure increases and actually changes these air filled cavities and you have that influence voice characteristics quite a lot.

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The voice control features let you switch between playing a game and watching television within the time it takes to change a channel, according to Microsoft.

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The laparoscopic equipment features voice-activated lights, ceiling-mounted monitors and special green lights to reduce the strain on staff's eyes.

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