The Lord has swallowed up all the habitations of Jacob, and has not pitied: He has thrown down in his wrath the strongholds of the daughter of Judah; He has brought them down to the ground; he has profaned the kingdom and the princes of it.
That is, the enemies were in there cheering and yelling and all as they were destroying it, much as the voices and cheers and all that once went up in the days of their solemn feasts.