Acoustics

[Henry Coleman]

I am sure that the poor audio quality  was caused by the analog and 
acoustic end. I was sitting at the back of the room and had to deal with 
a very poor acoustics. In future, a direct connection into the digital 
"box" using a separate mic would perform best for audio broadcasting, 
this way one doesn't have to rely on unknown PA systems.
Typically, when connecting analog audio equipment up to a digital 
interface there is a mismatch in the impedance (resistance), A PA 
mic/mixer  is usually 600 ohms and the digital mic input on a typical
PC is about 10Kohms with a DC bias of about 3volts the resulting 
distortion would be very noticeable.
Anyway, it was a valiant effort.    
Henry