Distributed reception wireless microphone system

An apparatus comprising:

• a plurality of geographic areas;
• a plurality of portable wireless microphone transmitter units with a first group of the plurality of microphone transmitter units assigned to a first geographic area of the plurality of geographic areas and a second group of the plurality of microphone transmitter units assigned to a second geographic area of the plurality of geographic areas;
• a plurality of digital receiver modules with a first group of the plurality of digital receiver modules assigned to the first geographic area of the plurality of geographic areas and a second group of the plurality of digital receiver modules assigned to the second geographic area of the plurality of geographic areas and where the plurality of digital receiver modules alternate transmitting wireless synchronization pulses and that receive audio information from the plurality of microphone transmitter units synchronized to the synchronization pulses;
• a receiver control unit in communication with each of the receiver modules that coordinates transmission of synchronization pulses among the plurality of digital receiver modules in accordance with a predetermined transmission sequence;
• and
• a plurality of entertainment, communication or announcement audio systems that receives the audio information from at least some of the microphone transmitter units through the receiver modules, amplifies the audio information and delivers the amplified audio information exclusively to an intended area.

An apparatus comprising:

• a plurality of portable wireless microphone transmitter units, each with a group identifier;
• a plurality of digital receiver modules that alternate transmitting wireless synchronization pulses and that receive audio information from the plurality of microphone transmitter units synchronized to the synchronization pulses;
• a receiver control unit in communication with each of the receiver modules that coordinates transmission of synchronization pulses among the plurality of digital receiver modules in accordance with a predetermined transmission sequence;
• and
• a public address system that receives the audio information from at least some of the microphone transmitter units through the receiver modules, amplifies the audio information and delivers the amplified audio information exclusively to a destination identified by the group identifier of the source.