Right-click the Visual Communicator or Vlog It! icon, press and hold the Shift key, and then choose Open.
Once the application opens, click Audio on the Setup tab.
From the Audio Input Device drop-down menu, choose SoundMAX... (more compatible).
From the Input Source drop-down menu, choose Microphone.
From the Audio Output Method drop-down menu, choose SoundMAX... (more compatible).
Close Visual Communicator or Vlog It and restart normally.
You may also need to enable hardware acceleration in the Sound and Audio Devices control Panel. On the Audio tab, choose Advanced in the Sound Playback section, then on the Performance tab, set the Hardware Acceleration to Full.
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