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This page contains definitions for most of the terms used on the Stream Alerts website in alphabetical order. If you can’t find a definition, let us know and we’ll put it on here.

Additional Streams The cost for each individual stream in a customer’s account, not including the first stream.
Availability Monitoring A service that periodically checks to see if a specific stream or file is available to end users, i.e. checks to see if a visitor can connect to and consume the stream. Does not play through the entire stream.
Banner A Stream Alerts banner that is displayed on a customer’s web page. Required for Free Monitoring accounts.
Base Cost The cost for the first stream in a users account. If an account only has one stream, this is the amount the customer will be charged.
CDN Content Delivery Network – Usually a hosting service who has multiple servers that can provide the endpoint connecction for your stream users.
Contacts An email address that alerts should be sent to when there is a problem with a stream.
Content The actual media content that end users view consists of an on-demand file or stream containing audio and/or video data.
Control Panel The interface users access to configure monitoring services including streams, contacts and billing information.
Encoder A computer that takes audio and video data from a live source or from a playlist and converts it into a format suitible for streaming. The data is usually sent to a streaming server for distribution.
Flash A rich web technology from Adobe that allows for high-quality streaming of audio and video directly in a browser window. The Flash plugin is installed on millions of computers, allowing for wide compatibility. Most On-Demand content, such as videos on YouTube, are hosted in a Flash format.
Login Accounts An account that allows a user to access the Stream Alerts Control Panel to view and/or modify account settings.
HTTP Hypter Text Transfer Protocol is used mostly for web pages but also allows streams to reach users behind tight security systems. See Wikipedia
MMS Microsoft Media Services is a protocol mosly used by Windows Media Services Server to serve Windows Media streams. See Wikipedia
Monitoring Frequency How often a particular stream is checked in minutes or seconds.
Monitoring History A page that displays the daily test history of a particular stream for a user selectable period.
MSBD Media Stream Broadcast Distribution a protocol used by Windows Media Services.
On Demand A file or stream where the content begins any time that a user makes a request. Different from a live stream where the user joins in the middle of the content.
Payload Monitoring A method of monitoring the actual audio and/or video content of a stream. This allows for alerting on audio silence or overload and video freezing.
Ping Monitoring A type of monitoring that checks to see if a particular server or computer is able to respond to ICMP requests.
Playlist A text or XML file that contains a list of different media files or streams for a client program to play. These can also contain meta-data, i.e. more information about the media listed within.
RTMP Real Time Messaging Protocol is a proprietary method of streaming Flash files in real time. See Wikipedia
RTSP Real Time Streaming Protocol is a popular streaming protocol used by many servers. See Wikipedia
A proprietary streaming server created by NullSoft and now managed by America Online that is often used for distributing MP3 streams to various Internet Radios and iTunes. Link
Short Message Service, a means of sending small test messages to cell phones. See Wikipedia
Stream An audio only or video stream that is sent to users via a streaming protocol. Streams are sent in "real time" and play as the information is received as opposed to downloading content where data is sent to a computer and files are played after the entire file has arrived.
Stream Group In the Control Panel, you can assign individual streams and contacts to a stream group for quick enabling or alerting of the entire group.
Stream Server A server that recieves data from an encoder and then broadcasts the data to various clients. Servers can support hundreds to thousands of users.
URL A web address that tells computers where to find a specific stream.
XML Status A page that displays current information about a user’s streams in an XML format accessible from other websites or programs.


Is it available right now? Was it available 30 minutes ago? Do you know the last time it was not available, for how long, how often etc? As consumers migrate from radio and television to the Internet, it's critical that your streaming media is available when they arrive at your site.

Stream Alerts remotely and independently monitors your streaming video and audio to give you the confidence that your media content is flawless. With our Availability service, as soon as your stream becomes unreachable, we will send you an email or SMS alert and even contact your system to trigger a backup system. Payload monitoring for live streams provides alerts if your audio goes silent or your video freezes as well as quality statistics such as how long it takes to start playing your stream.

Contact us today to access a demonstration account!

What should you monitor?
  • Internet Radio
  • IP TV
  • Web Cams
  • Webcast Presentations
  • Live Performances
  • On Demand Files
  • Webcasts
  • Traffic Cams
  • Media Encoders
  • Internet STLs
  • Phone and Video Conferencing
  • Sports Broadcasts

If you stream it, we'll monitor it. Catch problems before your customers do and make sure your content delivery service is living up to its promise. Take a look at our packages and monitor your streams today with the Stream Alerts testing, diagnostic and alerting service.

Currently supporting Windows Media, Flash, Real Media, Shoutcast, IceCast and more!

Just some stream types that we monitor including Windows Media, Real, Flash and Shoutcast
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