RB-DD4, 4-channel Digital Audio Delay. RB-DD4 is a 4-channel digital audio delay for e.g. synchronization of sound and image. Inputs and outputs are AES/EBU, S/PDIF and TOSlink up to 24-bit / 192 kHz. Delay adjustable in 1-19 frames from front panel or frames, lines, fields, mS and samples via serial port. Max delay time is 2.6 seconds per channel at 24/96. As an option, there are videosync modules for analog or SDI video. Support is available for most common framerates. On the front there is a monitor selector and headphone output. Size 19 inches / 1U.