Linear Acoustic ARC (Automatic Realtime Control) is a 1RU next-generation television loudness processor for PCM audio, featuring Linear Acoustic APTO loudness adaptation technology.

I/O includes Livewire+ AES67 plus support for 8 audio pairs via 3GHz HD/SD-SDI I/O and 1 pair via AES-3.
Loudness control for two independent stereo or mono programs is included; processing for two additional programs is optional.