>Apple System Preferences

>Sound

Set Output to Focusrite Thunderbolt

Open Audio MIDI Setup

Click on HDMI > Output and make sure

The Source is Focusrite Thunderbolt

click on Configure Speakers

Make sure they are set to 5.1 Surround


Apply > Done

Open Premiere Pro

Premiere preferences

Audio hardware

Default Output should be set to

Focusrite Thunderbolt

Then Go to Playback and select

the Blackmagic Playback


Click OK

Import your quicktime with

5.1 embedded audio