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Culture & entertainment

Accelerated audio playback artificially corrects human pitch

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Listening to spoken word content at double speed should technically make the speaker's voice resemble a hyperactive chipmunk. Thankfully, playback software actively deploys complex digital signal processing algorithms in real-time, aggressively chopping and pitch-correcting the audio so the host remains intelligible while talking at an impossible pace.

Accelerated audio playback artificially corrects human pitch
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