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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Apple QuickTime Streaming Server Darwin Streaming Server manual Glossary
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QuickTime Streaming Server Darwin Streaming Server specifications

Apple QuickTime Streaming Server, also known as Darwin Streaming Server, is a pivotal technology in the realm of multimedia streaming. Developed by Apple Inc., this open-source server software is designed specifically for the efficient delivery of video and audio content over the internet. One of the standout features of Darwin Streaming Server is its capability to stream content using the QuickTime file format, which is widely adopted for rich media applications.

A core characteristic of Darwin Streaming Server is its support for the Real-Time Streaming Protocol (RTSP). This protocol enables the server to communicate effectively with user clients, ensuring smooth playback of multimedia content. RTSP also allows for advanced streaming capabilities, such as pause, rewind, and fast forward, providing users with a versatile viewing experience.

Darwin Streaming Server is built on a highly modular architecture that enhances its scalability and flexibility. It can easily handle multiple simultaneous streams, making it suitable for both small-scale projects and large-scale broadcast environments. The server can efficiently manage bandwidth, optimizing the delivery of content even during peak usage times.

Another notable feature of Darwin Streaming Server is its robust integration with Apple’s QuickTime technology. This compatibility enables the seamless distribution of interactive media, which is crucial for applications in education, entertainment, and corporate training. The server can stream both live and on-demand audio and video content, catering to a diverse audience.

Additionally, Darwin Streaming Server supports various streaming formats, including MP3 and AAC for audio and H.264 for video. This flexibility allows content creators to deliver high-quality media while maintaining compatibility with various devices and platforms, from desktop computers to mobile devices.

Security is another important aspect of Darwin Streaming Server. It supports encryption protocols, ensuring that sensitive content is protected during transmission. This is particularly valuable for organizations that need to secure proprietary content or deliver private media to specific audiences.

In conclusion, Apple QuickTime Streaming Server, or Darwin Streaming Server, stands out as a powerful tool for multimedia streaming. Its integration of RTSP, compatibility with QuickTime, modular architecture, and robust security features make it an ideal choice for businesses and content creators looking to deliver high-quality streaming experiences. Whether used for live broadcasts or on-demand content, Darwin Streaming Server remains a significant contributor to the evolution of online media delivery.
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