public RESULT getVolume(ref float volume)
        {
            RESULT result;

            if (VERSION.platform == Platform.X64)
            {
                result = ChannelGroup.FMOD_ChannelGroup_GetVolume_64(channelgroupraw, ref volume);
            }
            else
            {
                result = ChannelGroup.FMOD_ChannelGroup_GetVolume_32(channelgroupraw, ref volume);
            }
            return(result);
        }