Creating and Downloading a Logo
Reference Guide: evolution 5000 E5780 and E5782 Encoder
Page D-3
ST.RE.E10135.4
D.1 Introduction
The Encoder includes a logo overlay facility whereby an image can be overlaid onto the active
video prior to encoding. This enables broadcasters to trademark or brand their material with a
logo.
To overlay the material with a logo, the logo must first be downloaded into the equipment
using the Ethernet TFTP protocol. Once this has been done the logo can be enabled or
disabled. Contact TANDBERG Television for further details.
D.2
Summary of Features
Up to 13 logos can be overlaid onto the active video. The space each logo occupies is
referred to as a region. If two logo regions share a horizontal line they may interfere with each
other, so this should be avoided, (see
). i.e. logos may be placed adjacent
vertically, but not horizontally. Logos cannot be overlapped.
One logo can be downloaded into Flash memory and will still be present after the Encoder has
been powered OFF. All other logos are stored in volatile memory and will be lost when the
Encoder is powered OFF.
To create and download logos to the Encoder, two Windows applications are required,
Osd
Creator
and
Osd Loader
. Once a logo has been downloaded to Flash it can be
enabled/disabled from the front panel menu:
Setup/Video/Video source/Stored OSD
.
Logos downloaded to volatile memory can only be controlled by the OSD Loader application
running from a PC.
Logos are defined at pixel resolution and include a red, green, blue and transparency
component. Logos can be positioned anywhere in the active video and can be any size from
1x1 pixel to the full size of the active picture. Logos are limited to a maximum of 256 colours,
including different levels of transparency.
The logo is overlaid onto the active picture prior to horizontal and vertical down-sampling,
noise reduction and video bandwidth filtering, if these are used.
NOTE…
In HD, large OSDs can take a very long time to download due to the data size.
D.3
OSD Programs Built Into the Encoder
Two Windows applications are required for creating and downloading logos to the Encoder,
namely
Osd Creator
and
Osd Loader
. These programs are stored permanently in the Encoder
where they can be downloaded via the Web Browser Interface. Further information is
available in
Chapter 5, Web Browser Interface
. These applications must be unzipped and
saved to a PC prior to use. This requires WinZip to be installed on the PC.
Using the Web Browser interface, see
, select
Option 2 Tools, OSD Toolkit
.
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