HEARING AID SYSTEM AND METHOD FOR CONFIGURING SUCH

A hearing aid system (100) is provided. The hearing aid system (100) comprises: a hearing aid (10); an audio transmitter (20); and a control device (30); wherein the audio transmitter (20) is configured to transmit audio signal data (22) to the hearing aid (10) at a specific audio periodicity; the hearing aid (10) is configured to, while receiving audio signal data (22) from the audio transmitter (20), upon establishing contact with the control device (30) and at a predetermined update periodicity, send data (26) relating to the specific audio periodicity of the audio signal data to the control device (30); and the control device (30) is configured to use the data (26) relating to the specific periodicity of the audio signal data (22) to only send control data (34) to the hearing aid (10) when the hearing aid (10) does not receive audio signal data (22). A method (200) for configuring such a hearing aid system is further provided.