Try to change the number of seconds for the Maximum pause to 3, 4 or 5 seconds to produce this effect. You can change the number of seconds for the Maximum pause to avoid the selected track's volume from becoming louder during the pauses in the control track.
Note that in the Auto Duck window, there is a Maximum pause option. Choose "Auto Duck" from the Effect Menu. The control track should be properly synchronized with the tracks to be "ducked" - you can use Time Shift Tool to align the tracks with each other as required. You can use the Audio Track Dropdown Menu to move tracks up or down if needed. Any other tracks below the unselected control track will also be modified if they are selected. Place the tracks so that at least one of the selected tracks to be modified is above the unselected control track. Note that the first unselected track underneath the selected track(s) acts as the control track. Deselect the track that is to act as the control track (for example, a spoken commentary). Select the track(s) or region(s) whose volume you want to modify (for example, a background music track). Does your voice sound unnaturally squashed? Undo and try again with a Threshold setting of -6 dB.Ĭreate a control track (voice over) and then use the Auto Duck effect to automatically adjust the threshold level for background music. Are the quiet parts still too quiet? Choose Edit > Undo Compressor and try again with a Threshold setting of -18 dB. Click the OK button and let Compressor do its work. These two controls tell Compressor how fast it should respond to changes in volume. Set the Attack Time to 0.5 secs and the Release Time to 1.0 secs. The Ratio control tells Compressor how much quieter it should make the loud parts. The Noise Floor control tells Compressor that anything below that level is noise and it shouldn't make it any louder. The Threshold control is the tipping point- the point where Compressor decides if something is "loud" (and should be made quieter) or "quiet" (in which case it leaves it alone). The latter means that Compressor will look at the peaks of the waveform rather than its average value. The former means that Compressor will maximize the volume of the track after it does its work. Check Make-up gain for 0dB after compressing and Compress based on Peaks. The Compressor is a complex but very useful effect, so let's take a moment to see how it works. 
The Compressor effect works by making the loud parts quieter, then amplifying everything, which ends up making the quiet parts louder.
Click on the Track Control Panel of your narration track and select the entire track. You could go through and manually adjust the volume throughout your narration track, but there's an easier way - use Audacity's built-in Compressor effect. Remember, your listeners can't see you, so having a consistent volume for your narration is important so they'll be able to hear and understand everything you're saying. #Audacity record desktop audio professional
Unless you are professional narrator or voice-over specialist there are probably level (volume) variations during your narration. Extraneous noises should be edited with Click Removal, Repair or Amplify before the Normalize step. Extraneous noises in the recording can cause Normalize to create unwanted changes in the stereo balance, or prevent recordings being made as loud as they can be.To correct unwanted volume differences between left and right, check "Normalize stereo channels independently". However basic consumer-level equipment can often record with channels unbalanced. Note that Normalize defaults to retaining the existing balance between stereo channels.The volume is normalized to -1 dB, so leaving a little headroom below the maximum possible 0 dB level.Accept (for now) the default choices in the Normalize dialog and click the OK button.With default Tracks Preferences, you may not need this step - all the audio in the project is selected if you choose an effect without first selecting any audio.Choose Select > All (or use CTRL + A) to select all of the track.To maximize the volume of your recording, you can use the 'Normalize' effect.
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