final int idx;
final AudioBoxConfig newCfg;
idx = collAudioBoxConfigs.indexOf( cfg );
newCfg = cfg.changeActive( newActive );
newCfg.toPrefs( abPrefs.node( newCfg.id ));
collAudioBoxConfigs.set( idx, newCfg );
}
// // XXX chanNums are my guesses, should be checked, list should be extended
// private static final Object[] kAudioBoxSizes = {