In the worlds of live sound reinforcement, broadcast engineering, and large-scale installation art, the purity of signal is king. However, engineers often face a paradox: how do you send one pristine audio signal to twelve different destinations without degrading quality, or conversely, how do you merge twelve separate audio feeds into a cohesive mono or stereo output?
Video Distribution: Devices like the ESE ES-208A take one video input and broadcast it to 12 isolated outputs.
" refers to a signal distribution amplifier that splits one AV input into 12 identical outputs. 1. Software: Visual Audio Splitter & Joiner v12.0
Live Production: Splitting microphone signals so they can be sent to both a live mixer and a recording interface simultaneously.
The "serial" component refers to RS-232 or RS-485 communication protocols. This allows you to control the device via a computer, a dedicated control system (like Crestron or Extron), or a custom script. Instead of walking up to a rack to press buttons, you can automate switching and splitting through software. Why You Need an Integrated Amplifier
Set all toggles to THRU. Set each Join Gain pot progressively (e.g., Stage 1: +3dB, Stage 2: +4dB, etc.). The signal cascades through all 12 stages. If final Master Volume is at 0dB, the final output is the product of all gains: Total Gain (dB) = Σ (Join Gain N). With max gain per stage (+20dB), the theoretical total is +240dB—though in practice, noise and oscillation become extreme after +60dB. The visual LEDs saturate red by Stage 9.
How to Use a Visual Audio Splitter Amp-Joiner 12 Serial
Baud Rate Customization: For serial control, ensure the device supports standard baud rates (usually 9600) to match your controller.