IQSAM00: 3G/HD/SD-SDI Signal Assurance Module Datasheet (DS-PUB-2-0863C-EN) File size: 1.0 MB, posted Jul 08 2021 The IQSAM00 from Grass Valley provides a fast and efficient way to monitor video and audio confidence and timing at various points within an SDI system. In broadcast systems, maintaining the association and timing between video and audio signals to avoid an objectionable viewer experience has always involved a lot of time-consuming setup, testing and monitoring by broadcast engineers and staff, but now IQSAM00 can provide the monitoring confidence that everything is correct and remains correct during live operation.