Radio advertising revenue was down 1.16% in the metro markets for the month of July, but Sydney and Perth saw growth.
The total metro market fell to a total of $52.3 million, compared to July 2011, according to figures from Deloitte sourced by Commercial Radio Australia (CRA).
However, Sydney grew 0.8% to $16.8 million while Perth increased 2.2% to $7 million.
Meanwhile, Melbourne dropped 2.5%, Brisbane fell 1.8% and Adelaide was down 6.6%.
CRA chief executive Joan Warner said: “Sydney and Perth recording positive growth for the month is a good start to the new financial year and the third consecutive month of growth for Sydney.
“Other markets are still experiencing tough economic conditions.”