Commit 08b9c875 authored by Massimo Stella's avatar Massimo Stella
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Upload New File avfilter_dcshift.xml

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<!DOCTYPE kpartgui>
<effect tag="avfilter.dcshift" id="avfilter.dcshift" type="audio">
<name>DC shift</name>
<description>Apply a DC shift to the audio.
This can be useful to remove a DC offset (caused perhaps by a hardware problem in the recording chain) from the audio.
The effect of a DC offset is reduced headroom and hence volume. The astats filter can be used to determine if a signal has a DC offset.</description>
<author>libavfilter</author>
<parameter type="constant" name="av.shift" default="0" min="-1" max="1" decimals="3">
<name>DC shift</name><comment>Set the DC shift, allowed range is [-1, 1]. It indicates the amount to shift the audio.</comment>
</parameter>
<parameter type="constant" name="av.limitergain" default="0" min="0" max="1" decimals="3">
<name>Limiter gain</name><comment>Optional. It should have a value much less than 1 (e.g. 0.05 or 0.02) and is used to prevent clipping.</comment>
</parameter>
</effect>
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