User manual

Chapter 7 Working in the Waveform Editor 169
To set the threshold of the noise reduction:
m In the Reduce Noise dialog, drag the Noise Threshold slider left to lower the threshold
or drag it right to raise the threshold. You can also type a value (in decibels) in the
Noise Threshold field.
To change the tone of the noise reduction:
m In the Reduce Noise dialog, drag the Tone Control slider left to preserve more low
frequency content (bass) or drag it right to preserve high frequency content (treble)
during noise reduction.
You can preview noise reduction with the Reduce Noise dialog open, and adjust the
threshold and tone of noise reduction. You can also hear the audio file or selection with
and without noise reduction, and hear only the noise to be removed.
To preview the file with noise reduction:
m Click the Play button in the lower part of the Reduce Noise dialog.
To set the preview volume level:
m Drag the Volume slider in the lower part of the Reduce Noise dialog left to lower the
volume or right to raise the volume.
To compare the file with and without noise reduction:
m Click the Bypass button to hear the file without noise reduction. Click the button again
to hear the file with noise reduction.
To hear only the noise to be removed:
m Select the Noise Only checkbox.
To use a noise reduction preset:
1 In the Reduce Noise dialog, click Show Presets.
The Presets drawer appears.
2 In the Presets drawer, select a preset from either the Factory Presets or User Presets list.
3 Click Apply.