CHAPTER 20:Sound Mixer
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S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
3.3.
Sound Source Input and Internal Mixing Process Mode
Input the input sound source to PMIS0 to 4 in 32-bit units, regardless of the sound source format. Also
input using 32-bit units in the case of 16-bit monaural sound source input.
The sound source will be mixed internally by the mixer as a 32-bit stereo sound source. In other words,
the upper 16 of the 32 bits is considered to be the left sound source, with the lower 16 bits are considered
to be the right sound source, and this is mixed with the upper 16 bits and lower 16 bits of sound sources
that are input from other channels.
For input of 16-bit sound sources, the n-th sound source is input as the upper 16 bits and the n+1 sound
source is input as the lower 16 bits for 32-bit unit input. Note that n is a positive integer.
A processing mode can be selected from among those shown in Table 3-2 for monaural sound source
internal processing.
For information about configuring settings by software, see MXCHMONO under 4.5.
Table 3-2
Processing Mode
Application
Internal Process Overview
Stereo processing
Stereo processing
Mixes input 32-bit stereo sound source.
Monaural processing R
Right-side mixing
Mixes by converting to 32-bit data (Upper 16 bits = ALL 0, Lower 16 bits =
Monaural sound source).
Monaural processing L
Left-side mixing
Mixes by converting to 32-bit data ('Upper 16 bits = Monaural sound
source, Lower 16 bits = ALL 0).
Monaural processing LR
Both side mixing (Left=Right)
Mixes by converting to 32-bit data (Upper 16 bits = Lower 16 bits =
Monaural sound source).
An example of monaural processing is shown in Figure 3-1.
Figure 3-1
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Source 6
Source 5
Source 6
Source 5
Source 6
Source 5
Source 4
Source 3
Source 4
Source 3
Source 4
Source 3
Sound source
Source 2
Source 1
Sound source
Source 2
Source 1
Sound source
Source 2
Source 1
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0000
Source6
Source6
0000
Source6
Source6
0000
Source5
Source5
0000
Source5
Source5
0000
Source4
Source4
0000
Source4
Source4
0000
Source3
Source3
0000
Source3
Source3
0000
Source2
Source2
0000
Source2
Source2
Process
0000
Source1
Process
Source1
0000
Process
Source1
Source1
Upper 16bit
Lower 16bit
Upper 16bit
Lower 16bit
Upper 16bit
Lower 16bit
Monaural process L
Monaural process LR
Monaural process R
Notes:
−
A change in processing mode made while sound source is transferred to the sound source input
channels PMIS0 through PMIS4 is prohibited.
−
Monaural processing cannot be used on a 32-bit stereo sound source. Attempting to do so will
result in improper sound.
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