Die Blackmagic Software hast Du installiert, oder?
Um die Hardware zu nutzen musst Du in Premiere eine Sequenz mit Blackmagic Presets auswählen.
Im Handbuch auf Seite 21 findest Du eine Schritt-für-Schritt-Anleitung:
http://www.blackmagic-design.com/media/2…ideo_Manual.pdf
Setting up a Blackmagic Design project
Step 1. Launch Premiere Pro.
Step 2. Create a New Project and click on the Scratch Disks tab.
Step 3. Set the desired Location and Name for your project at the bottom of this window.
Step 4. Set the locations for your captured video, captured audio, video previews and audio previews.
Step 5. Click on the General tab and review the Video Rendering and Playback settings. If your graphics
card is supported by Premiere Pro's Mercury Playback Engine, the Renderer option will be
available and you should switch it to "Mercury Playback Engine GPU Acceleration".
Step 6. Set the Capture Format to Blackmagic Capture and click on the Settings [Mac] or Properties [Win]
button to reveal the Blackmagic Capture Settings for your project. The Video Standard can be set
to NTSC, PAL, HD720, HD1080 or 2K. The Video Format can be uncompressed or compressed.
Now click OK.
Step 7. The New Sequence window will appear. Select the desired Blackmagic preset, give the sequence
a name and then click OK.
Audio
Blackmagic audio hardware is automatically chosen when a new project is created and the capture format
is set to Blackmagic Capture. Go to Preferences > Audio Hardware and verify that the Default Device is set
to Blackmagic Audio.
You may also wish to visit Preferences > Audio Output Mapping to select the mix of the multi-channel audio.
Set Map Output for to Blackmagic Audio.