Improve Speech Intelligibility
in Reverberant Acoustics Environment
Preserve Historical Beauty
![digital.jpg](https://images.squarespace-cdn.com/content/v1/6050b5bddd336133ffad8c70/e2e0c345-f0de-4044-8de5-4e7ad78ad270/digital.jpg)
![20210416-katedral-harmony-design-15.jpg](https://images.squarespace-cdn.com/content/v1/6050b5bddd336133ffad8c70/608c315b-84de-4415-9bb9-6f4adedc7ddd/20210416-katedral-harmony-design-15.jpg)
Speech Intelligibility Measurement
Loudspeaker Level Adjustment
Fiber Optic Audio Connection Testing
![20200927-katedral-13-C1 3.jpg](https://images.squarespace-cdn.com/content/v1/6050b5bddd336133ffad8c70/253ce288-8d46-45a8-9644-26f211cc8d12/20200927-katedral-13-C1+3.jpg)
Improve Speech Intelligibility
in Reverberant Acoustics Environment
Fiber Optic Audio Connection Testing