A webcam is a video camera that sends or streams an image or video to or through a computer network, such as the Internet, in real time. Small cameras that sit on a desk, attach to a user's monitor, or are incorporated into the hardware are known as webcams. Webcams can be utilized during a video chat session between two or more persons, with live audio and video chats.
Users can utilize webcam software to record or stream video over the Internet. Since video streaming over the Internet consumes a lot of bandwidth, compressed formats are commonly used.
Since larger resolutions would be lowered during transmission, a webcam's maximum resolution is likewise lower than most handheld video cameras. Webcams are less expensive than most video cameras due to their lesser resolution, yet the impact is sufficient for video chat conversations.
A webcam was directed at the Trojan
Room coffee machine in the Cambridge University Computer Science
Department when it was first constructed in 1991. (initially operating
over a local network instead of the web). On August 22, 2001, the camera
was eventually turned off. The camera's final image is still available
to view on its homepage. San Francisco State University's FogCam, the
world's oldest continually operational camera, has been running since
1994 and was set to shut down in August 2019. Following the public
outcry over the proposed closure of FogCam, SFSU opted to keep it
operational and maintain it.
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