It is going to be loud at the Metrodome on Sunday. Wide receiver Roy Williams says it's the only stadium where game video is shaking because the crowd is so loud.
Austin Miles added that the offense will have to concentrate on staying on-sides because they will not be able to hear the quarterbacks signals.
The Cowboys are practicing with music blaring at Valley Ranch to get some idea of the noise level at the Metrodome.
The Cowboys and the Vikings meet on Sunday at noon in Minneapolis.