Isaiah 29:4

And thou shalt be brought down, and shalt speak out of the ground, and thy speech shall be low out of the dust, and thy voice shall be, as of one that hath a familiar spirit, out of the ground, and thy speech shall whisper out of the dust.

Cross-reference

Isaiah 8:19 mentions mediums who chirp and mutter, similar to the ghostly whisper from the dust in Isaiah 29:4.

Psalm 44:25 says 'our soul is bowed down to the dust,' directly echoing the lowly speech in Isaiah 29:4.