Chapter 6 Audio Configuration
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185
Ellipse 3000 Release 3.0, Rev. B
Coding Scheme Configuration
6.5.3.3
RF Over Modulation Protection (DD 2.0 Pre-Processing)
The RF Over Modulation Protection parameter enables the RF over-modulation protection to
prevent the Dolby Digital 2.0 decoded audio signal from being over-modulated when it is RF
modulated.
The available options are:
■
Off
– RF over-modulation protector is disabled.
■
On
– RF over-modulation protector is enabled.
The Dolby Pre-Processing RF Over modulation protection default is
Off
.
Front Panel
To set the RF-Over Modulation Protection parameter on the front panel:
❖
Navigate
Root > Configuration > Audio > [Audio Channel] > Pre-Processing >
RF Overmodulation Protection
.
Web Manager
To set the Dolby Pre-Processing RF Over modulation protection parameter in the Web Manager:
❖
Select
Audio > Aud#
and access the Pre-Processing parameters box.
6.5.3.4
LFE LPF Enable
Use the LFE LPF Enable parameter to set the Dolby Digital 5.1 LFE low pass filter.
The available options are:
■
On
■
Off
The LFE LPF default is
Off
.
Front Panel
To set the LFE LPF on the front panel:
❖
Navigate
Root > Configuration > Audio > [Audio Channel] > Pre-Processing > Low-Pass
Filter
.
Web Manager
To set the LFE LPF Enable parameter in the Web Manager:
❖
Select
Audio > Aud#
and access the Pre-Processing parameters box.
RF Overmodulation Protection
1 ‚ Off
2 ƒ On