A/V Terminology

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Across
  1. 4. DC power (usually 48 volts) sent through an XLR cable to power condenser microphones. (_______ power)
  2. 8. Audio signal carried on three wires (positive, negative, and ground) to reduce noise and interference. (_______ audio)
  3. 9. A device that increases the strength of an audio signal.
  4. 10. The number of frames displayed per second (fps). (_______ rate)
  5. 13. Continuous signal that varies in amplitude or frequency. (_______ signal)
  6. 15. A complete path through which electrical current can flow.
  7. 17. The plug or jack that allows a cable to attach to a device.
  8. 19. The amount of data that can be transmitted over a cable or connection per second.
  9. 23. The resistance an audio signal faces in a circuit, measured in ohms.
  10. 25. A device that combines and adjusts multiple audio (or video) signals.
  11. 29. Video signal transmitted as 1's and 0's and not an analog signal. (_______ video)
  12. 32. Reducing file size by removing redundant data from audio or video.
  13. 34. Analog video signal split into three channels for better quality - Y, Pb, Pr. (_______ video)
  14. 37. A design feature that protects the cable from being damaged where it meets the connector. (_______ relief)
  15. 38. Material inside a cable that blocks interference and noise.
  16. 39. The amount of detail in a video image, expressed in pixels (e.g., 1920×1080).
Down
  1. 1. The amount of amplification applied to an audio signal.
  2. 2. Analog video signal that combines color and brightness into one channel, usually yellow RCA. (_______ video)
  3. 3. Signal represented by binary data (1s and 0s). (_______ signal)
  4. 5. Two-channel sound, typically left and right, creating a sense of direction or space. (_______ audio)
  5. 6. The flow of electrical charge through a conductor (measured in amps).
  6. 7. Audio signal carried on two wires (signal and ground); more prone to noise. (_______ audio)
  7. 11. The comparison between the desired signal and background noise. (Signal-to-noise _______)
  8. 12. The time delay between input and output signals.
  9. 14. A reference point in an electrical circuit for safety and stability.
  10. 16. The electrical potential difference that drives current (measured in volts).
  11. 18. The rate of electrical energy transfer, measured in watts.
  12. 20. The width-to-height ratio of an image or screen (e.g., 16:9). (_______ ratio)
  13. 21. The process of attaching connectors to the ends of a cable.
  14. 22. A single-channel sound signal. (_______ audio)
  15. 24. Short cable used to connect components within a system or rack. (_______ cable)
  16. 26. A device used to connect two different types of connectors.
  17. 27. The stronger audio signal used between devices like mixers, amps, or recorders. (_______ level)
  18. 28. The level of background noise in an audio system. (noise _______)
  19. 30. Refers to whether a connector is “male” (pins) or “female” (sockets). (Connector _______)
  20. 31. An unwanted hum caused by multiple electrical paths to ground. (ground _______)
  21. 33. The path that audio or video takes from the source to the output device. (_______ flow)
  22. 35. A device that connects different systems or converts between formats (e.g., audio device).
  23. 36. The weak audio signal that comes directly from a microphone; must be amplified. (_______ level)
  24. 38. The coordination of timing between audio and video signals. (_______hronization)