Effect Audio Volume - video editor

the Effect Audio Volume
function for
- control the audio volume per channel
the dialog
the parameters
- channel N, is this value current volume of channel N
  - is the max value count by wave form, if this value already max, you are not allow set more, that will break part of samples.
  - if you add this effect before the wave form done, you will got dialog warning "in process", you should wait the wave form completed, then try again.
- To, the value for new volume.
examples
- an audio with 2 channels the volume 50, you can change to 90
note
- at current version, you can't apply to part of the audio, to do that, you have to cut as clips, then join clip by clip, enable this for clips you want.
- if you want lower the background music and raise the voice, you should use Effect Channel Map