6. The system of claim 3 , where the processor is further programmed to regenerate audio data from the generated representation of the group interaction.
6. The system of claim 3 , where the processor is further programmed to regenerate audio data from the generated representation of the group interaction. 7. The system of claim 6 , where the processor is further programmed to reproduce at least part of the auxiliary data in synchronism with the regenerated audio data.