(by Radio Ink Publisher Eric Rhoads) Nielsen clients got on a conference call today with the company to address the Voltair controversy — and Nielsen addressed it by saying it doesn't support the Voltair unit. Company reps even went so far as to say they think it may introduce artifacts and noise into your audio stream. They also said they're making enhancements to the PPM service, to be introduced in the near future, and the Voltair is unnecessary. READ ON.