WOR Radio has stopped working in Winamp

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This address for radio station WOR in New York worked for a long time in Winamp until today: http://3083.live.streamtheworld.com:80/WORAM_SC

Now it still connects and seems to play (the elapsed time increments normally) but there is no audio.

The direct URL to the stream that I got from the player on the WOR webpage today is: http://208.80.52.198/WORAMAAC?streamtheworld_user=1&nobuf=1339164142264

The above URL will not open in Winamp, but it does open and play audio in another media player, MPlayer or SMPlayer (GUI front end to MPlayer). Why doesn't it play in Winamp? Thanks.