10
Sound data
10 - 2 Sound Power Spectrum
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
63
E
Z
D
/^K
• Indoor Unit • FCAHG-F
NR0
NR5
NR10
125
250
500
1000
Octave band centre frequency [Hz]
/
t
• Split - Sky Air • FCAHG-F
NR90
NR85
NR80
NR75
NR70
NR65
NR60
NR55
NR50
NR45
NR40
NR35
NR30
NR25
NR15
NR20
2000
4000
8000
90
80
70
60
50
40
30
20
10
dBA
3
10
17