Webcam is a short for “Web Camera” i.e. combination of “Web” and “video camera”. It is a small digital camera that is connected to the computer and can be used for sending videos or images through internet. They are specifically used for transmitting live videos or still images.
Webcams are typically tiny cameras that are either attached to the monitor or placed on a desk. Most of the cameras will be connected to the system through USB or Firewire connection. Typically these webcams come with software that enable the user to record video or stream the video on web.
Usually, these Webcams come with an integral microphone that could even be used for recording sound. These cameras even have the ability to pan and tilt to any degree to adjust the recordings. With their in-built sensors, webcams can detect movement or sound and start the recording at any moment. These features of the Webcam have led to their extensive usage.
Applications of Webcam
Limitation of Webcam
Streaming a video over the Internet requires a lot of bandwidth; hence, the video stream will be compressed to reduce the "choppiness" of the video. Also, the maximum resolution of a webcam is considerably lower than the other handheld video cameras. For this reason, they may not be ideal for filming a movie.
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