Poor Noise to Speech Ratio with Plantronics DSP400

Problem

When you set up Dragon Naturally Speaking using a Plantronics DSP400 headset, the noise to speech ratio is very low.

Solution

  1. Click the Start button (Windows XP users should then click Run).
  2. Type mmsys.cpl and press Enter.
  3. Click the Recording tab.
  4. Click on the Microphone, then Properties.
  5. Click Enhancements.
  6. Make sure AGC is turned on (checked).
  7. Click OK, then OK again and clear all open windows.
  8. Delete the Dragon user profile.
  9. Create a new user profile.

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