revamping AOL

Lisa Namerow, the general manager of AOL's online radio unit, said the company's music streaming business was still unprofitable, even though recent figures from Arbitron Inc. show AOL has the largest average weekly online audience.

For AOL, a unit of the media conglomerate Time Warner Inc., that meant teaming up with CBS' radio business, the second-largest player in radio after Clear Channel Communications Inc.

The addition of CBS stations will bring a number of highly rated news, talk and sports channels such as WFAN in New York to AOL's online radio service, replacing a previous arrangement AOL had with XM Satellite Radio Holdings Inc.