They are both about the same noise level.
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	8	nsubj	8:nsubj	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	cop	8:cop	_
3	both	both	ADV	RB	_	8	advmod	8:advmod	_
4	about	about	ADV	RB	_	6	advmod	6:advmod	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	6:det	_
6	same	same	ADJ	JJ	Degree=Pos	8	amod	8:amod	_
7	noise	noise	NOUN	NN	Number=Sing	8	compound	8:compound	_
8	level	level	NOUN	NN	Number=Sing	0	root	0:root	SpaceAfter=No
9	.	.	PUNCT	.	_	8	punct	8:punct	_
