How to: Configure Microsoft Expression for PULL Streaming
October 17, 2012 0
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How to: Configure Microsoft Expression for PULL Streaming
Purpose: The purpose of this article is to show you the procedure that needs to be followed to successfully configure your Microsoft Expression encoder to stream using the Pull Method. Benefits: ‘Pull’ Live Webcast with Microsoft Expression when Windows Media Services ‘Pulls’ the content from the encoder, the server connects to the encoder stream in progress and pulls the content. The primary advantage of ‘Pulling’the encoder is the auto re-connect feature. If you lose your connection to the server, the server will re-connect to your encoder automatically once your Internet connection resumes. In order to stream in a ‘pull’ configuration you must have a static IP address. If your encoding computer is behind a router, your router must also be configured to port forward. Note: Windows Media Encoder is no longer available or supported by Microsoft;the new encoder provided is Microsoft Expression encoder. Instructions on obtaining this encoder and downloading it can be found here: Configure Microsoft Expression for PULL Streaming Requirements before starting: •Have a Publishing Point or Channel created on the portal: How to: Setup your service •Setup your network for PULL streaming: How to: Setup PULL to stream in Windows Media 1. To start a live “Pull”stream with Microsoft Expression: Download Microsoft Expression Encoder 4 and install the encoder with the default installation settings. 2. Start the encoder and click on the “Live Broadcasting Project”- Output Format=Windows Media
- Video=VC-1 Advanced
- Main Audio=WMA
- Mode=CBR-2 pass
- Buffer Window=3
- Frame Rate=Source Key Frame Interval=30
- Bitrate=350 (if quality is low, then increase bitrate and try again. Keep increasing until satisfied.)
- Mode=CBR- 1pass
- Channels=Stereo
- Bitrate=64 kbps (higher bitrate will give better audio quality, but you won’t hear the improvement above 128 kbps.)
- Sample Rate=48 kHz
- Bits Per Sample=16
- Open your Windows Media Player and click on ‘File’then ‘Open URL’.
- If you enter your IP address and port number here you should be able to connect directly to your encoder using the following format: http://IPADDRESS:PORT
- If you are unable to connect to your encoder, then the most common issues are:
- You are behind a software firewall and need an exception for TCP port 8080 or the port you used, you may also need to port forward through your router’s hardware firewall.
- You are trying to distribute your content at a bit rate your internet connection up-load capacity cannot support.
- Your currently have the Windows Firewall turned on: Turn off Windows Firewall