this->level_lufs[0] = level_lufs_left;
this->level_lufs[1] = level_lufs_right;
QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);
this->level_lufs[0] = level_lufs_left;
this->level_lufs[1] = level_lufs_right;
QMetaObject::invokeMethod(this, "update", Qt::AutoConnection);