... -70D is an embedded audio processor / automatic level controller which allows audio to be reconfigured ... EAP-70D is an SDI embedded audio processor /automatic level controller, which allows audio to be reconfigured to ... .The ERP-70D has two modes for audio level control, ALC or manual gain control, which ... below-8 dBFS, the combination of averaging the level around-20dBFS and of holding peaks below-8 ...