South African commercial radio station OFM entertains its audience with a mixture of adult contemporary music, news, weather, traffic and other relevant information. Broadcasting 24 hours a day from its studios in Bloemfontein in the Free State Province, OFM is a lifestyle radio station that likes to connect with its audience through plenty of telephone interaction.

As phone-in programs are such an important part of its remit, OFM wanted to ensure that these reflected the same high audio standards as the rest of its programming. But there was a problem – the audio levels on phone-ins were not always regular and that, says OFM’s technical manager Jan Van Der Walt, was something worth investigating. more