9.5

Table Of Contents
Audio Functions
Detect Silence
Waveform Display
Allows you to zoom in on and out of the waveform by using the zoom slider to the
right, by clicking in the waveform, and moving the mouse up or down.
You can scroll the waveform by using the scrollbar, or by using the mouse wheel.
You can adjust the Open Threshold and Close Threshold values by moving the
squares at the beginning and at the end of the audio file.
Open Threshold
When the audio level exceeds this value, the function opens and lets the sound pass.
Audio material below the set level is detected as silence.
Close Threshold
When the audio level drops below this value, the function closes and detects sounds
below this level as silence. This value cannot be higher than the Open Threshold
value.
Linked
Activate this option to set the same values for Open Threshold and Close
Threshold.
Min. Time Open
Determines the minimum time that the function remains open after the audio level
has exceeded the Open Threshold value.
NOTE
If your audio contains repeated short sounds, and this results in too many short
open sections, try raising this value.
Min. Time Closed
Determines the minimum time that the function remains closed after the audio level
has dropped below the Close Threshold value. Set this to a low value to make sure
that you do not remove sounds.
Pre-Roll
Causes the function to open slightly before the audio level exceeds the Open
Threshold value. Use this option to avoid removing the attack of sounds.
Post-Roll
Causes the function to close slightly after the audio level drops below the Close
Threshold value. Use this option to avoid removing the natural decay of sounds.
Add as Regions
Creates regions of the non-silent sections, and allows you to specify a name for them
in the Region Name field. A number is appended on each region name, starting with
the number specified in the Auto Number Start field.
Strip Silence
Splits the event at the beginning and end of each non-silent section, and removes
the silent sections in between.
Process All Selected Events
Applies the same settings to all selected events. This option is only available if you
selected more than one event.
Compute
Analyzes the audio event and redraws the waveform display to indicate which
sections are considered silent. The number of detected regions is displayed above
the Compute button.
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