| BITRATE {$$ = mp_new_ast_leaf_node(BITRATE);}
| FREQUENCY {$$ = mp_new_ast_leaf_node(FREQUENCY);}
| CHANNELS {$$ = mp_new_ast_leaf_node(CHANNELS);}
| BITRATE {$$ = mp_new_ast_leaf_node(BITRATE);}
| FREQUENCY {$$ = mp_new_ast_leaf_node(FREQUENCY);}
| CHANNELS {$$ = mp_new_ast_leaf_node(CHANNELS);}