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youtube-dl -F <url> The video can be downloaded by selecting the format code from the list or typing the format manually: youtube-dl -f <format/code> <url> The best quality video can be downloaded with the -f best option. Also, the quality of the audio and video streams can be specified separately and merged with the + operator. [34]
A closed system is a natural physical system that does not allow transfer of matter in or out of the system, although – in the contexts of physics, chemistry, engineering, etc. – the transfer of energy (e.g. as work or heat) is allowed.
Streaming media refers to multimedia delivered through a network for playback using a media player.Media is transferred in a stream of packets from a server to a client and is rendered in real-time; [2] this contrasts with file downloading, a process in which the end-user obtains an entire media file before consuming the content.
Overall, in an isolated system, the internal energy is constant and the entropy can never decrease. A closed system's entropy can decrease e.g. when heat is extracted from the system. Isolated systems are not equivalent to closed systems. Closed systems cannot exchange matter with the surroundings, but can exchange energy.
A closed platform, walled garden, or closed ecosystem [1] [2] is a software system wherein the carrier or service provider has control over applications, content, and/or media, and restricts convenient access to non-approved applicants or content.
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Stream ripping (also called stream recording) is the process of saving data streams to a file. The process is sometimes referred to as destreaming.. Stream ripping is most often referred in the context of saving audio or video from streaming media websites and services such as YouTube outside of the officially-provided means of offline playback (if any) using unsanctioned software and tools.
A 1993 paper, General Systems Theory by David S. Walonick, Ph.D., states in part, "A closed system is one where interactions occur only among the system components and not with the environment. An open system is one that receives input from the environment and/or releases output to the environment.