The breath flow is too large, the throat vocal cord and breath can not be effectively coordinated, the closing force of the vocal cord will be much less than the impact of the air flow<br>In the gas, sound, word chain rolling, always feel the power is not enough, gas is not enough, physical exertion is large, control sound difficult, low pitch, some will also sound hoarse, empty<br>Virtual, dim, cloudy, no color, not clear words and so on. It's all the sound of a leak.
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