Blackmagic Streaming Decoder 4K is a professional streaming decoder that lets you receive an H.264 or H.265 stream from Blackmagic Streaming Encoder, ATEM switcher or Blackmagic camera and convert it back to SDI and HDMI video. Includes Blackmagic Cloud streaming and 12G-SDI reference input that lets you connect SDI tally, camera control and talkback back to the encoder.