Learn English – How to describe when a voice gets louder, starts vibrating more, and becomes unclear at high volumes

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How do you describe the phenomenon of a voice that gets louder, starts vibrating more, and becomes unclear at high volumes?

Do you say something like 'it started trembling' or 'it began to crack'?

Best Answer

For the voice, perhaps distorted

to change the natural, normal, or original shape, appearance, or sound of (something) in a way that is usually not attractive or pleasing [Merriam-Webster]