public void setReverbFilter(Filter reverbFilter) {
        this.reverbFilter = reverbFilter;
        if (channel >= 0)
            getRenderer().updateSourceParam(this, AudioParam.ReverbFilter);
    }
Set the reverb filter for this audio node.
<br>
The reverb filter will influence the reverberations
of the audio node playing. This only has an effect if
reverb is enabled.

@param reverbFilter The reverb filter to set.
@see AudioNode#setDryFilter(com.jme3.audio.Filter)
jme3-core/src/main/java/com/jme3/audio/AudioNode.java