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Quicktime Hangouts Recording (using soundflower for audio)

Scenario:

You want to talk with someone over google hangouts (like for a user study), and you want to record BOTH:

  • the system output audio (from them)
  • the microphone audio (from you)

(screenshots below in a comment)

General Setup (do this once)

1 Install Soundflower

brew cask install soundflower

2 Make a multi-device output

  • open the OSX system app Audio Midi Setup
  • Create new aggregate device
  • Include all three:
    • Built-in Microphone
    • Built-in Output
    • Soundflower (2ch)
  • (optional: name this something more descriptive)

Specific Setup (do this for each screen recording)

3 Choose system output

  • alt-click on the volume icon in the taskbar
  • choose your system input and output to each be the newly created Aggregate Device

4 Quicktime screen record

  • Open Quicktime Player
  • File -> New Screen Recording
  • In the dropdown next to the record button
    • Microphone = Aggregate Device
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