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DSP FULL BIT
The main L/R is input through AC3D2av to DSP and then output through all
channels. The head margin is eliminated and the digital data is output in digital full
bit. The same applies as "YSS908" except that the digital data is output in full bit
at D/A.
AUX IN
VOLUME
CN102 (Page 30, C-4)
MAIN L (1kHz)
MAIN R (1kHz)
LFE (30Hz)
REAR L (1kHz)
REAR R (1kHz)
3. AC-3 Through
Only the signal of the digital system is input. The AC3 signal is decoded and reproduced according to
the input source.
The AC-3 signal in each channel is AC-3 decoded and output through AC3D2av.
The combined status information of the sampling frequency and the number of chan-
nels of the AC3 signal appears on the Fl display.
ANALOG IN
TE
L 13942296513
DIGITAL IN
Status information
AC3 44.1k 2/0
Sampling frequency
www
.
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:
– 20dBV, Both ch
:
MAX
Full bit: The digital data is normally output with a head margin for each of C and RL/RR
:
– 11dBV
channels. In this menu, no head margin is used and the digital data is output in full bit so as to
:
– 11dBV
obtain the A/D and D/A characteristics fully. Note that this means the analog gain after D/A is
:
– 13dBV
:
– 17dBV
larger as compared to L/R. Also, the LFE channel also outputs the signal in full bit.
:
– 17dBV
CODEC.AD
CS4227
DECODER
DOLBY DIGITAL
DIR2
YM3436
Number of channels
As signal identification is executed in normal AC-3 reproduction, the source (DAT, CD-ROM, etc) without digital
data bit of IEC958 cannot be reproduced even when it is AC-3 encoded. On the other hand, as this menu does not
x
ao
u163
execute such digital data bit identification, these sources can be AC-3 reproduced. (To measure characteristics
y
during AC-3 reproduction, use the AC-3 decoded sine wave.)
i
However, note that with the sources that have not been AC-3 encoded, a decode error occurs and muting is
applied. In addition, by displaying the combined status information of the sampling frequency and the number of
channels of the AC-3 signal on the FL display, malfunction of the decoder can be detected.
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2 9
8
AC3Dav(YSS908)
Q Q
3
6 7
1 3
DSP
L/R
L/R
or
C/LFE
C/LFE
PRO LOGIC
LS/RS
LS/RS
256K SRAM
The shaded square means that the element included in it does not operate.
Sampling frequency (Display)
Analog
Analo
32kHz
32k
44.1kHz
44.1k
48kHz
48k
.
AV-S70/NX-SW70
9 4
2 8
1 5
0 5
8
2 9
9 4
MAIN L
CODEC.DA
MAIN R
CENTER
LFE
REAR L
CS4227
REAR R
Number of channels
(Front/Rear)
(Display)
1+1
1+1
1/0
1/0
2/0
2/0
3/0
3/0
2/1
2/1
3/1
3/1
2/2
2/2
3/2 5.1ch
3/2
7.1 (DTS)
7.1
m
co
9 9
2 8
9 9
10
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