← Back to Support Hub
proAV

Support For Integrators & Commercial Installations

What we can help with

processor control, video routing, installation design, integration issues, and OpenAPI questions for proAV devices.

  • Commercial installations, processors, switchers, scalers, and distribution systems
  • OpenAPI control questions for proAV devices
  • System integration, deployment, and troubleshooting across installed projects

Start a support chat

Tell us your device model and what you need help with, or try a suggested question.

Support Knowledge

Select an article from the menu to view full content here.

Terminology / Audio / HPF

HPF

High-Pass Filter A High-Pass Filter (HPF) — often called a low-cut filter—is an EQ (Equalizer) tool that removes or reduces low-frequency sounds from an audio signal while allowing higher frequencies to pass through undisturbed.