CXA1878Q
Dolby B type NR encode boost
Dolby C type NR encode boost
VCC, VEE = ±7V
Dolby Level 400Hz, –6dBm
–40dB
–35dB
–30dB
–25dB
10
8
20
16
12
8
–60dB
–55dB
–50dB
–45dB
–40dB
6
–35dB
4
–30dB
–25dB
–20dB
–15dB
–10dB
–5dB
2
4
0
–20dB
–15dB
–10dB
0
0dB (Dolby Level)
VCC, VEE = ±7V
Dolby Level 400Hz, –6dBm
–2
–4
–5dB
100
1k
10k
0dB (Dolby Level)
Frequency [Hz]
100
1k
10k
Frequency [Hz]
Dolby NR OFF total harmonic distortion
VCC, VEE = ±7.0V
0dB = –6dBm (NR REC OUT, NR OFF)
Encode Mode
100Hz
1kHz
10kHz
1
0.1
0.01
–4
0
4
8
12
16 20
Output level [dB]
Dolby C type NR total harmonic distortion
Dolby B type NR total harmonic distortion
VCC, VEE = ±7.0V
0dB = –6dBm (NR REC OUT, NR OFF)
Encode Mode
100Hz
100Hz
1kHz
10kHz
1kHz
10kHz
1
1
0.1
0.1
VCC, VEE = ±7.0V
0dB = –6dBm (NR REC OUT, NR OFF)
Encode Mode
0.01
0.01
–4
0
4
8
12
16
20
–4
0
4
8
12
16
20
Output level [dB]
Output level [dB]
– 35 –
SONY [ SONY CORPORATION ]
