Ensuring adequate coverage
Areas to cover
As a minimum, the full audience area of each performance space should be covered.
Covering the stage is an easy way to ensure that sign language interpreters can hear dialogue clearly. They may have their own Auracast-enabled earbuds but be ready to lend them an Auracast receiver and in-ear monitor if needed.
To help people check their equipment before a performance, we suggest that you provide an Auracast stream in the foyer and wherever receivers are handed out. This should broadcast continuous speech so that customers can test if their equipment, borrowed or their own, is working properly. A low-cost and simple transmitter connected to a portable media player playing a looped file or playlist may be adequate for this.
Possible transmitter locations
The location of the transmitter should ensure that the received signal strength is sufficient to provide a good audio experience for all audience members. Hearing aids and earbuds will need a stronger signal than a dedicated receiver.
Some venues may require more than one transmitter to ensure adequate coverage.
The strength of Auracast signal is determined by the distance from the transmitter and the building structure. Auracast does not require line of sight between the transmitter and receiver, but anything between them could reduce the signal strength. Mounting transmitters high up helps to avoid the signal being blocked.
When choosing a transmitter location, consider:
- The impact on the aesthetics of the space
- Access to power, network connections, and audio wiring
- Building restrictions such as listed status and conservation requirements
- How easy it will be to access for maintenance
Possible sources of interference
The quality of the received signal depends both on the signal strength and what else is transmitting in the 2.4 GHz band. This is unregulated space and can include WiFi, “Classic” Bluetooth and Wireless DMX. More people and more personal devices in the venue will increase the amount of RF noise.
Systems should be designed for, and verified at, full capacity and with all electronic devices operating as they would during a show.