MSM7731-02 OKI [OKI electronic componets], MSM7731-02 Datasheet - Page 23

• Manufacturer Part Number: MSM7731-02
• Description: Dual Echo Canceler & Noise Canceler with Dual Codec for Hands-Free
• Manufacturer: OKI [OKI electronic componets]

Echo delay time vs. echo attenuation (Dual echo canceler mode/acoustic side)
(Measuring Condition)
Echo delay time vs. echo attenuation (Dual echo canceler mode/line side)
(Measuring Condition)
1 Semiconductor
45
40
35
30
25
20
15
10
45
40
35
30
25
20
15
10
5
0
5
0
5
5
10
10
15
15
Rin signal
Rin input level
E.R.L
ATT, GC
Noise floor
Rin signal
Rin input level
E.R.L
ATT, GC
Noise floor
Dual echo canceler mode (line side)
Echo delay time vs. echo attenuation
Dual echo canceler mode (acoustic side)
Echo delay time vs. echo attenuation
20
20
Echo delay time [ms]
Echo delay time [ms]
25
25
30
30
: 5 kHz band white noise
: –16 dBm
: –6 dB
: OFF
: –60 dBm (P-message filter unused)
: 5 kHz band white noise
: –16 dBm
: –6 dB
: OFF
: –60 dBm (P-message filter unused)
35
35
40
40
45
45
50
50
55
55
60
60
FEDL7731-02-04
MSM7731-02
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