Video

Video refers to the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images that represent scenes in motion. It is a visual medium that relies on moving pictures and sound to tell stories or present information.

Key Concepts in Video:

  1. Frames: Individual still pictures in a sequence that, when shown rapidly, create the illusion of motion.
  2. Frame Rate: The number of frames displayed per second (FPS). Common frame rates include 24 FPS (film), 30 FPS (TV), and 60 FPS (high-definition video).
  3. Resolution: The size of the video in terms of pixels, often given as width × height. Examples include 1920×1080 (Full HD) and 3840×2160 (4K).
  4. Bitrate: The amount of data processed per unit of time in the video, usually measured in kilobits per second (Kbps) or megabits per second (Mbps).
  5. Codec: A method of compressing and decompressing video and audio data. Examples include H.264, H.265 (HEVC), and VP9.

Key Video Equipment & Devices:

  1. Cameras: Devices that capture moving images and convert them into electronic signals.
  2. Monitors/Displays: Devices that visually render video content, such as TVs, computer monitors, and projectors.
  3. Video Players: Devices or software applications that play back recorded video, e.g., DVD players, Blu-ray players, and media player software.
  4. Video Recorders: Devices that capture and store video content, from camcorders to digital video recorders (DVRs).
  5. Video Editors: Software applications that allow users to manipulate and arrange video clips, add effects, and produce finalized video content.
  6. Streaming Devices: Hardware or software platforms that deliver video content over the internet, such as Roku, Amazon Fire TV, and video streaming apps.

Trends in Video Technology:

  1. 4K, 8K, and Beyond: Ultra-high-definition resolutions that provide greater detail and clarity, especially on larger screens.
  2. High Dynamic Range (HDR): A technology that allows for a greater range of luminance in video content, producing more vibrant and realistic images.
  3. 360-Degree Video: A video recording that covers the full 360° x 180° field of view, often used in virtual reality (VR) scenarios.
  4. Video Streaming: Platforms like Netflix, YouTube, and Hulu which offer vast libraries of video content accessible via the internet.
  5. Augmented Reality (AR) & Virtual Reality (VR): Technologies that either overlay digital content on the real world (AR) or immerse users in a fully digital environment (VR).
  6. Interactive Video: Video content that allows user interaction, such as choosing story paths or interacting with objects.
  7. Artificial Intelligence in Video: Use of AI for tasks like video editing, content recommendation, and image enhancement.

Video, in its various forms, is a primary means of communication and entertainment in the modern world. From TV shows and movies to user-generated content on platforms like TikTok and YouTube, video content plays a significant role in global culture and information dissemination.

Key terms in plain language

Open a term for a concise explanation of language used on this page.

Fiber Internet

Internet delivered through strands of glass using light. Fiber commonly supports high capacity, low latency, and strong upload performance, but availability must be confirmed for the exact address.

Artificial Intelligence (AI)

Software designed to perform tasks involving prediction, classification, generation, reasoning, or decision support. Business use still requires clear data, governance, security, and human accountability.

Broadband

A general term for always-on, high-speed Internet access. Broadband can be delivered over fiber, cable, DSL, fixed wireless, cellular, or satellite networks.

Bandwidth

The amount of data a connection can carry in a given time, usually measured in Mbps or Gbps. More bandwidth supports more users, devices, and simultaneous applications.

Latency

The time it takes data to travel between two points. Lower latency improves voice, video meetings, cloud applications, gaming, and other real-time services.

Dedicated Internet Access (DIA)

A business-grade Internet connection with capacity dedicated to the customer rather than shared in the same way as typical consumer broadband. It often includes symmetrical speeds and an SLA.