175
9-3-9. 5.1Ch Down Mix
Clicking block (9) on the audio block diagram opens the Audio Down Mix dialog box.
See section 6-7 “DOWN MIX SET” for details.
Down Mix Mode
Parameter Default
Setting range
(Steps)
Description
Mode Select Stereo
Stereo
Surround
Monaural
Selects a mode to downmix audio signals.
Surround Mix -3dB
-3dB
-6dB
-9dB
0
Sets the Ls/Rs (surround channels) level.
0 : (-∞dB) Excludes surround channels from
the downmix.
Center Mix -3dB
-3dB
-4.5 dB
-6dB
Sets the C (center channel) level.
-3dB: The output level after the downmix
retains the original center channel level.
-4.5dB, -6dB: Used to reduce the audio level
in case it becomes too loud due to the center
channel audio mixing to both the right and
left channels.
Master Level -3dB
-3dB
Auto
Sets the level for the downmixed audio
signals as a whole.
If set to Auto, Down MIX Master Level
changes according to the Downmix Mode
and Surround Mix level selections.
*1
*1 If Master Level is set to Auto, Master Level changes as shown in the below table.
Surround Mix Level
Down Mix Mode
-3dB -6dB -9dB 0 (-∞dB)
Stereo approx.-7.7dB approx.-6.9dB approx.-6.3dB approx.-4.6dB
Surround approx.-9.9dB approx.-8.7dB approx.-7.7dB approx.-4.6dB
Monaural approx.-12.9dB approx.-12.0dB approx.-11.4dB approx.-9.5dB
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