Extracting Audio from Ustream on a Mac.
1. Open Soundflower and change the 2 channel setting to 'Built-in Output'
2. Open System Preferences for Sound
a. Change Input and Output to 'Soundflower 2 ch'
3. Open Audacity.
a. Open Preferences.
b. Click on the Audio I/O tab. Change Recording device to 'Soundflower (2ch).