BD9406KS2 Datasheet, PDF (19/38 Pages) Rohm – 28bit Audio DSP with Built-in 2ch ADC, 6ch DAC and ASRC

BU9406KS2
Technical Note
4-5. Surround (Matrix Surround 3D) and Pseudo-Stereo 1
Actualizes surround sound with a vast sweet spot, which allows longer viewing with less fatigue.
Recreates natural mid- and high-range sound, actualizing sound field that does not take away from the stability of the vocal.
Using the loop function simulates extra steps of the phase shifter.
Turning Surround Function ON/OFF
Default = 0
Select Address
&h70 [ 7 ]
Value
0
1
Operation Description
Turns surround effect OFF
Turns surround effect ON
Turning Pseudo-Stereo Function 1 ON/OFF (Different function from 5-4 pseudo-stereo 2)
Default = 0
Select Address
&h70 [ 6 ]
Value
0
1
Operation Description
Turns pseudo-stereo effect OFF
Turns pseudo-stereo effect ON
Loop Usage Configuration
Default = 0
Select Address
&h70 [ 5 ]
Value
0
1
Loop OFF
Loop ON
Operation Description
Delay Length Configuration in Loop use
Default = 0
Select Address
&h71 [ 7：6 ]
Value
0
1
2
3
1 sample
64 samples
128 samples
255 samples
Operation Description
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2012.03 - Rev.A