VAD (Voice activity detection) with harmonicRatio function

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liron aviv
liron aviv 2020-12-18
回答： SaiDileep Kola 2020-12-23
hi
im trying to wright an algorithem for VAD with harmonicRatio function.
i have read alot of articls about VAD and harmonics but couldnt find a method, an equation or something that connect hR to VAD.
i know that hR return values between 0 and 1, high harmonic gives '1' and low harmonic gives '0'. that means the high harmonic is when there are sounds and low harmonic when there are no sounds/noise.
how do i mold this too together?
thank you.
(sry 4 my english :) )

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回答（1 个）

SaiDileep Kola
SaiDileep Kola 2020-12-23
Hi Liron,
you can look in to the example implemented by Mathworks for Voice Activity Detection, this is in noise also uses HarmonicRatio function along with few other functions.

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