New Firmware for Model 44D Interface – Now Generates 18 kHz and 20 kHz tones.
In August 2018 version 2.2. of the Model 44D Interface’s application firmware was released. This new firmware revises the tone generation capability, keeping the 18 kHz sine-wave but replacing the 1 kHz with 20 kHz. This change was made so that the Model 44D can better assist a matrix intercom and related audio devices in generating intercom user “call” signals. The change may appear to be fairly subtle, but it continues to expand the ability of Studio Technologies’Read Full Tech Note