The LORD will destroy Babylon; he will silence her noisy din. Waves of enemies will rage like great waters; the roar of their voices will resound.
NIV
For the Lord is destroying Babylon and laying her waste and stilling her great voice [the hum of the city's life]. And the waves [of her conquerors] roar like great waters, the noise of their voices is raised up [like the tramping of an army].
AMP
Because the LORD hath spoiled Babylon, and destroyed out of her the great voice; when her waves do roar like great waters, a noise of their voice is uttered:
KJV