Apple QuickTime Streaming Server Darwin Streaming Server manual

H

hinting Hinting creates a track for each streamable media track in the file that tells QuickTime Streaming Server how and when to deliver each frame of media. The hinting process performs in advance the required calculations, allowing QTSS to serve up a larger number of streams. Hinting also allows new codecs to be used without the need to upgrade the server.

HTML (Hypertext Markup Language) The code inserted in a file to be displayed on a web browser page. The markup tells the web browser how to display a web page’s words and images for the user.

HTTP (Hypertext Transfer Protocol) An application protocol that defines the set of

rules for linking and exchanging files on a network.

I

IEEE The Institute of Electrical and Electronics Engineers, Inc., an organization dedicated to promoting standards in computing and electrical engineering.

Instant On An advance in Apple’s patent-pending Skip Protection technology that dramatically reduces buffer, or wait, time for an instantaneous viewing experience with streaming video on a broadband connection.

IP (Internet Protocol) A connectionless protocol used to transmit packets of data from one machine to another. TCP and UDP use IP for their host-to-host data communications.

IP address A unique numeric address that identifies a computer on the Internet.

IP subnet A portion of an IP network, which may be a physically independent network segment, which shares a network address with other portions of the network and is identified by a subnet number.

ISP (Internet service provider) A business that sells Internet access and often provides web hosting for ecommerce applications as well as mail services.

J, K, L

JavaScript A scripting language used to add interactivity to web pages.

key frame A sample in a sequence of temporally compressed samples that does not rely on other samples in the sequence for any of its information. Key frames are placed into temporally compressed sequences at a frequency that is determined by the key frame rate.

key frame rate The frequency with which key frames are placed into temporally compressed data sequences.

LAN (local area network) A network maintained within a facility, as opposed to a WAN (wide area network) that links geographically separated facilities.

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