Chapter 6 Audio Configuration
© 2013 Harmonic Inc. Harmonic All rights reserved.
182
Ellipse 3000 Release 3.0, Rev. B
Coding Scheme Configuration
6.5.3
Dolby Digital 2.0 and Dolby Digital 5.1 Pre-Processing
The Pre-Processing menu displays and manages the DD 2.0 and DD 5.1 pre-processing parameters
which include filters and protections.
NOTE:
The coding scheme of the selected audio channel must be set to DD 2.0 or DD 5.1. The Dolby Digital 2.0
and DD 5.1 coding schemes require licenses.
Front Panel
To access the Pre-Processing menu on the front panel:
❖
Navigate
Root > Configuration > Audio > [Audio Channel] > Pre-Processing
.
Web Manager
To access the Pre-Processing menu in the Web Manager:
❖
Select
Audio > Aud#
.
The following sections detail the Dolby Pre-Processing menu options.
Pre-Processing
Low Pass Filter
On
DC High Pass Filter
On
RF Overmodulation Protection
Off
Digital de-emphasis
Auto
Dynamic Range Compression
Film Standard