˙
Signal-to-noise ratio improvement (SNRI): a test value measured during speech activity.
SNRI Measured Result (dB) ZenFone 3 series demonstrated excellent speech quality during calls
in the following noisy environments.
Noise Reduction (NR) Performance Comparison
˙
iPhone 6s Plus experienced distorted speech caused by
ambient noises during phone calls in noisy environments.
˙
ZenFone 3 series delivers better voice quality in noisy
environments.
Original
Unproc
05
10 15 t/s 25 30 35
-3
-2
-1
0
1
2
3
Ip6s+
proc
0
51 01 5 t/s 25 30 35
-3
-2
-1
0
1
2
3
ZF3
proc
05
10 15 t/s 25 30 35
-3
-2
-1
0
1
2
3
Voice Noise Reduction
(
NR
)
Enhancement
Noise Type
i
ZenFone 3 series
Noise Reduction
SNRI
Pub
21.20
26.27
Road
19.50
25.55
Xroad
26.28
32.29
Train
23.70
31.15
Car 130Km/h
21.39
31.86
Cafecounter
19.80
27.08
Mensa
20.20
26.46
Callcenter
12.0
26.51
VOICE NR ENHANCEMENT
63
62
Summary of Contents for ZE520KL
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