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A screencast is a digital recording of computer screen output, also known as a video screen capture or a screen recording, often containing audio narration. [1] The term screencast compares with the related term screenshot; whereas screenshot generates a single picture of a computer screen, a screencast is essentially a movie of the changes over time that a user sees on a computer screen, that ...
A webcam is a video camera which is designed to record or stream to a computer or computer network. They are primarily used in video telephony , live streaming and social media , and security . Webcams can be built-in computer hardware or peripheral devices , and are commonly connected to a device using USB or wireless protocol .
Windows Camera is an image and video capture utility included with the most recent versions of Windows and its mobile counterpart. It has been around on Windows-based mobile devices since camera hardware was included on those devices and was introduced on Windows PCs with Windows 8, providing users for the first time a first-party built-in camera that could interact with webcam hardware. [4]
A PC-based DVR's architecture is a classical personal computer with video capture cards designed to capture video images. An embedded type DVR is specifically designed as a digital video recorder with its operating system and application software contained in firmware or read-only memory .
Some services, such as Skype (through some external plugins) allow users to use talking avatars during video calls, replacing the image from the user's camera with an animated, talking avatar. [45] Through the use of facial motion capture and a webcam , an avatar can be configured to mimic the motions and expressions of the user.
Online chat is any direct text-, audio- or video-based (), one-on-one or one-to-many chat (formally also known as synchronous conferencing), using tools such as instant messengers, Internet Relay Chat (IRC), talkers and possibly MUDs or other online games.
Webcams are video cameras that stream a live video feed to a computer. Many smartphones have built-in video cameras and even high-end smartphones can capture video in 4K resolution. Special camera systems are used for scientific research, e.g. on board a satellite or a space probe, in artificial intelligence and robotics research, and in ...
However, two problems arise. One is that truth is not black-and-white, and fact-checkers often disagree on how to classify the content included in computer training sets, running the risk of false positives and unjustified censorship. Also, fake news often evolves rapidly, and therefore identifiers of misinformation may be ineffective in the ...