Providing live broadcasts

You can distribute live broadcasts, or webcasts as they are often called, by using Windows Media Services. You can either produce new content for a live broadcast or simultaneously broadcast content that is also being broadcast on the television or radio. You can archive the live broadcast and make it available to users on demand at a later time. Examples of live broadcasts include news conferences, sporting events, and music concerts.

When implementing this scenario, consider the following:

• Use a computer running Windows Media Encoder to encode content into Windows Media Format and create an encoded stream. You can then broadcast the stream from a Windows Media server. You can download the latest version of Windows Media Encoder from the Windows Media home page at the Microsoft Web site. For more information about encoding, see Windows Media Encoder Help.
• On a Windows Media server, create a broadcast publishing point that uses the encoded stream as the data source. If you want to switch from the live stream to a file, such as a file containing advertising or prerecorded content, and then back to the live content, create an exclusive playlist that uses script commands from the encoder to initiate the stream switch. Consider using a wrapper playlist to play some content before and after your live broadcast. Wrapper playlists are commonly used for site branding, welcome messages, and sponsor identification.
• A webcast has a scheduled start time, which means that most users will attempt to connect to it in a short period of time. By creating a group in Windows Media Services, you can use several Windows Media servers to distribute the load of connection requests.
• Let your users know that content is available. You can create a link on your existing Web site that users can use to connect to your publishing point and access your content. You can also create a default Web page with a link to your content and then customize the page to meet your needs.

Related topics

• About publishing point types
• About wrapper playlists
• Obtaining content
• Sourcing from an encoder
• To access the Add Publishing Point Wizard
• To broadcast a stream pulled from an encoder
• To create a playlist using the Windows Media Playlist Editor
• To start the Create Wrapper Wizard
• Understanding playlists
• Streaming entertainment programming and advertising

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