IQMUX34: 3G/HD/SD-SDI Embedder for Eight Analog Audio Channels Datasheet (DS-PUB-2-0862B-EN) File size: 161.5 KB, posted Jun 14 2021 The IQMUX34 from Grass Valley provides eight-channel analog audio embedding for 3 Gb/s SDI, HD-SDI 1.5 Gb/s or SD-SDI 270 Mb/s signals. Audio processing features include audio delay, gain, invert and channel-level routing, while video delay and a video proc amp are also included in the feature set. The IQMUX34 is ideal as a general analog audio ingest module for incorporating local audio feeds.