Monitoring Audio in Batch or Batch FX
You can select different audio sources to monitor in Prefs 
Preferences Audio Monitoring, you can choose your audio source from the Audio Source box.
Options are:
- No Audio: No audio is monitored.
- Main Level: Monitors the audio of the Timeline containing the Batch FX. This option is only available in Batch FX, not Batch.
- Context 2: Monitors the audio of the Batch or Batch FX clip set to Context 2 in the flow graph.
- Context 1: Monitors the audio of the Batch or Batch FX clip set to Context 1 in the flow graph.
- Current: Monitors the audio of the current selection in the flow graph.
Once you've selected an audio source, there are several ways you can monitor it.
- You can scrub your audio tracks from the Batch or Batch FX Timebar:
- To analog scrub your audio, hold down Ctrl+Shift and scrub the Timebar.
- To digital scrub your audio, hold down Ctrl and scrub the Timebar.
- From the Animation menu, under the Audio tab, you can playback your audio in real time, using the playback controls.
- Within Action, you can select a clip from the Action schematic and press F2 to playback the audio of the selected clip in real time, using the playback controls above the Timebar.