TeachingVideo Glossary continuity of Terms for COVID-19 GuideInteraction to terms and usedActivities in the production of video

A F Aspect Ratio: The relationship between the width and the Fade: A transition between an image and height of your video dimensions expressed a black screen, or the gradual increase or as a ratio, 16:9 is the common HD ratio. decrease in the level of an audio signal. Attenuation: A reduction in signal strength, to make quieter. Field of view: The maximum angle of view that can be seen through a lens. B Focal length: The distance from the lens to the image focus point inside the camera. A high focal length B-roll : Is supplementary video footage that provides makes distance objects appear magnified supporting details and context for your video while a low focal length gives a wide view of and gives you greater flexibility in the editing the scenery. Important when deciding what process. Common examples include the lens to use – wide angle, standard, telephoto, footage used to away from an interview fisheye lens. to help tell your story. Framing: Positioning the camera and zooming in and out Bandwidth: The maximum data transfer rate of a network to get a pleasing composition and perspective or internet connection. of the object. Bit rate: The amount of data used for each second The rate at which a sensor captures video of video, can be constant and variable. Frame rate: during one second. Typical frame rates are Boom Long, directional microphones. They can be 24, 25, 29.97, 30, 50, 60. Microphone: mounted on top of a camera or attached to a boom pole. G H C H.264 Also known as MPEG-4 AVC, one of the most commonly used formats for the recording, Codec: A video codec is software that compresses or compression and distribution of high decompresses digital video, converting raw definition video content. (uncompressed) digital video to a compressed Also known as HD. Higher resolution and format or vice-versa. Colour Correction: when High Definition quality than standard definition. an editor digitally manipulates colours in High-Definition Media Interface. a digital post-production. HDMI connector prevalent across both consumer Compression: Reducing the amount of data in a video and electronics and modern computers. HDMI making the file size smaller. The video will carries both HD video and the audio signal. upload faster and download/playback quicker. Cropping: A rectangular cutting off of image edges, often I used to delete unwanted information. Importing: The process of transferring data, such as D video or audio, from your camera onto your computer or into a piece of editing software. Decibel: A unit used to measure the intensity of a sound. J Depth of Field: Refers to the part of the image that is in J cut: When the audio from the next clip is heard focus. A deep depth of field will show nearly before the video. So you hear the audio before everything in focus, a shallow depth of field you see the video that matches with that audio. will show the foreground in focus and the : An abrupt transition, typically in a sequential background blurry – this aides in emphasising clip that makes the subject appear to jump your subject. from one spot to the other, without continuity. Diffusion: Refers to material placed over lights to K L reduce harsh shadows and reflections. L cut: When the video switches before the audio so E you’re still hearing the audio from a shot but Equalizer: In sound recording, a device used to alter you’re seeing a new shot. the frequency response of an audio system Lapel/Lavalier A small clip on microphone that attaches to using linear filters such as bass and treble Microphone: the subjects clothing. Used as a discrete, hands adjustments. free option. Export: Refers to the process of assembling your LED lights: The latest technology in energy efficient edited video project into a single file that lighting. Used commonly in filming because can then be played back on it’s own, shared they are smaller in size, lighter in weight, have or uploaded. a longer life span and produce much less heat than traditional styles of lighting.

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