Training material wmt 2012 ctnc
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Transcript of Training material wmt 2012 ctnc
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WMT Technical TrainingWireless Multiplex Terminal
01-09-2012
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WMT basics• WMT uses Mobile networks to uplink (live) high quality video streams• Possibility to use several data connections in parallel (multiplexed) to
send high bandwidth/quality video• WMT can be used everywhere where (live) camera feeds needs to be
transmitted to any other location• Total solution in one small mobile box connected to a (semi)
professional camera
Internet
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WMT set-up possibilities
Internet
WMT
Backend server
Internet
WMT
Point-to-point
With distribution server and switch board
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WMT backendserver
WMT basics – spreading between mobile networks
Internet3G/4G
Operator 1
3G/4G
Operator 2
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WMT Requirements– general needs
•22-01-13 •Michel Bais [email protected] •5
+ No Hicks + No freezes
Low delay
Small
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Mobile network figures
bandwidth
delay
time
Bandw
i dth
Throughput versus delay
Bandwidth variations across time
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Data chain
encoder server playout
buffer
Data pump video encoder
Buffer which controles end to end delay (1.5,
5, 10 Sec)
buffermodem
s
Buffer which solves jitter on the IP line
between 250 mSec or more dependant on
control
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Internet
WMT – IT architecture
WMTserver
RTSP traffic
VPNserver
RTSP traffic tunneled in HTTP
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WMT – video and audio architecture• WMT transport architecture is based upon RTSP• All encoders in the system are RTSP servers combined with an encoder:• WMT client: H264 + AAC• WMT playout: AAC encoder for audio retour
• All decoders are RTSP clients:• WMT Client: AAC decoder for audio retour• WMT playout: H264 + AAC
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Backend server
WMT – RTSP architecture
RTSP server & H264 &
AAC encoder
RTSP client & AAC decoder
RTSP client & H264 &
AAC encoder
RTSP servert & AAC encoder
External 80.227.132.21980.227.132.218
IP 10.0.100.254 internal
IP 10.0.100.253 internal
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RTSP video player
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RTSP audio encoder
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Backpack
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WMT GUI-mainOperator/LAN
technology
Status of the connection (dialing, connecting,
connected)
Bandwidth of the connection
Settings of the connection
Unlock display
Operator name
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WMT GUI previewInput
connector selector
Status of the connection (dialing, connecting,
connected)
Bandwidth of the connection
Start preview
Unlock display
Input format selector
Vollume indication
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WMT GUI settings
Operating modus
Status of the connection (dialing, connecting,
connected)
Delay settings
Quality settings
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WMT GUI editPut selection in drop
folder of transport
Select recording
Mark in & mark out
Delete all recordings
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WMT GUI transportFile upload status
CPT control
bitrate
Move folder from USB stick
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WMT – Playout
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WMT - Playout gui
Transfered export Do not forget to select this one after playing export
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Global Setting
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Diagnostics
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Debug-1 check server page
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Debug-2 check status client 1
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Debug-3 go to client website
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WMT Server General Setup
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Hardware setup
Follow these steps to set up the hardware.
Connect the system with the 220V / 110V power cord
Connect a laptop or PC with the second Ethernet port. The first Ethernet port
is
located on the left, close to the power supply
Configure the IP interface of the PC with the IP address 198.18.0.50, and
use
subnet mask 255.255.255.0
Browse to this address: http://198.18.0.1
Select “Global” from the column on the left.
When you’re asked for a username and password, leave username empty
and use
password “pokon”
Set the IP address by the web interface and reboot the server.
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WMT Server Global Setting
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CONFIGURATION OF THE WMT SERVER SOFTWARE
Basic setup per client
After configuring the IP address, click on settings of the client you want to configure.
The number should be the same as on the WMT client
Enter the license key of the WMT client (use copy and paste from the configuration
website of the WMT)
Leave all other settings on default.
Press “Save” and browse to “Overview”. As soon the WMT client connects, listening should turn into connected.
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