Video and Audio Streaming Formats and Technologies
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Streaming video is content sent in compressed form over the Internet and displayed by the viewer in real time. A Web user does not have to wait to download a file to play it. Instead, the media is sent in a continuous stream of data and is played as it arrives.
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Video and Audio Streaming Formats and Technologies
- 1. VIDEO AND AUDIO IN WEB By Karthick Kumar V
- 2. VIDEO IN WEB OVERVIEW • Flash vs HTML5 • Evolution of Video Streaming • Types of Video Streaming • Working of Video Streaming • Video Streaming pros and cons
- 3. Flash vs. HTML5 • Flash – Flash is well established as a video delivery platform • HTML5 – It add a video directly to the web page, without the need of plugin
- 5. Video in Web ● Before HTML5, there was no standard for showing videos on a web page. • Before HTML5, videos could only be played with a plug-in (like flash) • The HTML5 <video> element specifies a standard way to embed a video in a web page.
- 6. Basic Video Embed <html> <body> <video width="400" controls> <source src="mov.mp4" type="video/mp4"> <source src="mov.ogg" type="video/ogg"> </video> </body> </html>
- 7. Streaming Video ● Streaming video is content sent in compressed form over the Internet and displayed by the viewer in real time. ● A Web user does not have to wait to download a file to play it. Instead, the media is sent in a continuous stream of data and is played as it arrives.
- 8. Evolution of Video Streaming ● File Download ● Progressive Download ● Pseudo Streaming ● Adaptive Bitrate Streaming
- 9. Types of Streaming Video ● Progressive Download
- 10. Types of Streaming Video ● Real Time Streaming Protocol
- 11. Types of Streaming Video ● Adaptive HTTP Streaming
- 12. How Streaming Works ● Webcasting ● Real-Time Streaming Protocol ● Codecs ● Unicasting
- 13. Webcasting ● Webcast is a media presentation to distribute a single content source to many simultaneous listeners/viewers. ● Broadcasting over the Internet. ● It is used for "live-live" transmission.
- 14. Real-Time Streaming Protocol ● The RTSP is a network control protocol designed to control streaming media servers. ● When you go to a streaming media site, you're generally redirected to a separate streaming server. ● There are typically different versions of each file that have been optimized for different connection speeds.
- 15. Codecs ● A codec is a program capable of encoding or decoding a digital data stream or signal. ● Video files have to be compressed and then encode and decode before they can be streamed.
- 16. Unicasting ● In unicasting each client takes a separate stream from the server. ● So different people will start streaming the same video or audio program at different times.
- 17. Streaming Video Pro ans Cons
- 18. AUDIO IN WEB OVERVIEW • Audio Features • Audio in Web • Audio Streaming • Audio Streaming Protocols
- 19. Audio File Features • Audio file is a record of captured sound that can be played back – Mp3 file is an example • Audio files are compressed for storage and faster transmission • Requires high bandwidth to transfer across the network and the Internet
- 20. Audio in Web ● Before HTML5, audio files could only be played with a plug-in (like flash) ● The HTML5 <audio> element specifies a standard way to embed audio in a web page.
- 21. Basic Audio Embed <html> <body> <audio controls> <source src="music.ogg" type="audio/ogg"> <source src="music.mp3" type="audio/mpeg"> </audio> </body> </html>
- 22. How Streaming works ● VoIP means making telephone calls using your computer, with the sound of your voice converted to digital data. ● That travels over the Internet using the Internet Protocol.
- 23. The End