VJ Terminology

  • Video transitions

  • Video effects

  • Audio mixing

  • Video editing

  • Chroma keying

  • Color correction

  • Video filters

  • Motion graphics

  • Visual effects

  • Video composition

  • Multicam editing

  • Timeline editing

  • Non-linear editing

  • Video overlays

  • Video masking

  • Keyframe animation

  • Video rendering

  • Green screen

  • Video mixing

  • Visuals

  • Video loops

  • Video mapping

  • Video projection

  • Pixel mapping

  • Video synthesizer

  • Motion graphics

  • video manipulation

  • Video art

  • Video installation

  • Interactive video

  • Video feedback

  • Video scratching

  • Video switcher

  • Video signal routing

Video Mixing Software

Video mixing software is a type of computer program that allows users to combine and manipulate multiple video and audio sources in real-time. These software programs are commonly used by video DJs (VJs) and live performers to create multimedia presentations and performances.

Video mixing software typically includes features such as video transitions, special effects, filters, and real-time video manipulation tools. Some advanced video mixing software also allows for advanced techniques such as chroma keying, motion graphics, and 3D animation.

Video mixing software is widely used in various fields such as entertainment, education, advertising, and broadcasting. Some examples of popular video mixing software include Resolume, VDMX, GrandVJ, and Arkaos.

Video Transitions

Video transitions are visual effects that are used to smoothly transition from one video clip or scene to another. They are used to create a visual link between two different pieces of footage and can help to make a video more engaging and cohesive.

There are many different types of video transitions, including:

  1. Cut: A simple cut from one clip to the next.

  2. Fade: A gradual transition that gradually fades one clip out and fades the next clip in.

  3. Dissolve: A transition that creates a dissolve effect between two clips, gradually blending one clip into the other.

  4. Wipe: A transition that wipes one clip off the screen while wiping the next clip onto the screen.

  5. Zoom: A transition that zooms in or out from one clip to the next.

  6. Swipe: A transition that swipes one clip off the screen while swiping the next clip onto the screen.

  7. Spin: A transition that rotates one clip off the screen while rotating the next clip onto the screen.

Video Effects

Video effects are visual effects that can be applied to video footage to enhance or alter its appearance. These effects can be used to create various artistic or creative looks, as well as to fix problems with footage or to add visual interest to a video project.

There are a wide variety of video effects available in video editing software, including:

  1. Color correction: Adjusting the color, saturation, and contrast of the video footage to make it look more natural or stylized.

  2. Filters: Applying different filters or effects to create a specific look or mood for the video, such as a vintage look or a dreamy effect.

  3. Motion graphics: Adding animated graphics or text to the video to provide additional information or to create a visual style.

  4. Stabilization: Removing shaky footage and stabilizing the video to make it appear smoother.

  5. Slow-motion: Slowing down the video footage to create a dramatic effect.

  6. Fast-motion: Speeding up the video footage to create a time-lapse effect.

  7. Chroma keying: Replacing a solid colored background with another image or video footage, such as a green screen effect.

  8. 3D effects: Adding 3D elements to the video footage to create a more immersive experience.

What is Audio Mixing

Audio mixing is the process of combining multiple audio tracks into a single stereo or multichannel mix. This process is an important part of music production, film production, and video production, and is used to create a cohesive and balanced audio mix.

The audio mixing process typically involves adjusting the levels, panning, and EQ of each individual audio track, as well as applying effects such as reverb and compression. The goal of audio mixing is to create a balanced mix in which all the individual elements can be heard clearly and work together cohesively.

In music production, audio mixing is typically done by a mixing engineer who works with the producer and artists to achieve the desired sound for the song or album. In film and video production, audio mixing is typically done by a sound mixer who works with the director and editor to create a final mix that supports the visuals and narrative of the film or video.

Audio mixing can be done using specialized audio software such as Pro Tools, Logic Pro, and Ableton Live, or through analog mixing using a mixing console and outboard gear.

What is Chroma Keying

Chroma keying, also known as green screen, is a visual effects technique used in video production and post-production. The process involves replacing a solid colored background, typically green or blue, with another image or video footage.

The technique is achieved by filming the subject in front of a green or blue screen, which can be easily removed in post-production using chroma keying software. Once the background is removed, another image or video footage can be inserted behind the subject, creating the illusion that the subject is in a different location or environment.

Chroma keying is commonly used in film and television production for special effects and to create backgrounds that would be difficult or impossible to create on location. It is also used in video production for virtual sets, product demos, and other applications.

The key to successful chroma keying is to ensure that the subject is evenly lit and that there are no shadows or reflections on the green or blue screen. The software used for chroma keying typically includes controls for adjusting the tolerance and edge blending to create a seamless transition between the subject and the new background.

Color Correction

Color correction is the process of adjusting the color and tonality of video footage to achieve a desired look or to correct problems with the original footage. It is an essential part of the post-production process in video editing and can help to enhance the visual quality of the footage.

Color correction typically involves adjusting the brightness, contrast, saturation, and hue of the footage. The process can be done manually using color grading tools in video editing software, or through automatic color correction algorithms.

Some common color correction techniques include:

  1. White balance adjustment: Adjusting the color temperature of the footage to remove color casts and create a more neutral white balance.

  2. Exposure adjustment: Adjusting the brightness of the footage to correct underexposed or overexposed areas.

  3. Contrast adjustment: Adjusting the contrast of the footage to create a more dynamic range of colors and tones.

  4. Saturation adjustment: Adjusting the intensity of the colors in the footage to create a more vibrant or muted look.

  5. Color grading: Adjusting the overall color of the footage to create a specific look or mood, such as a warm or cool tone.

What are Video Loops

Video loops are short video clips that are designed to repeat seamlessly, creating the illusion of an endless or repeating motion. They are often used as background elements in video production or as visual elements in music videos, websites, and social media content.

Video loops can be created using a variety of techniques, including capturing video footage of a repeating motion, or creating a looped animation using specialized software. The length of a video loop can range from just a few seconds to several minutes or more.

Video loops can be used to add visual interest and energy to a video or to create a specific mood or atmosphere. They can be used to create a sense of movement or to provide a dynamic background for other visual elements. They can also be used as visual transitions between different scenes or segments of a video.

Video loops are often available as stock footage or can be created by video professionals or content creators. They are a versatile and effective tool for adding visual interest and enhancing the production value of video content.

online VJ course - VJ.io
online VJ course - VJ.io

What is Video Mapping

Video mapping, also known as projection mapping, is a projection technology used to create the illusion of three-dimensional objects or surfaces on irregular or non-flat surfaces, such as buildings, landscapes, or stage sets.

The process involves projecting a pre-made video or animation onto a surface and carefully aligning it to match the contours and angles of the object or surface. The projected image is then warped and distorted to create the illusion of a 3D object that appears to move and interact with the environment.

Video mapping is used in a variety of applications, including advertising, entertainment, and art installations. It can be used to create stunning visual effects, to promote products and brands, to create immersive experiences, and to enhance live performances.

Video mapping requires specialized software and hardware, such as high-resolution projectors and mapping software. It also requires a team of skilled technicians and artists to design, create, and execute the projection.

Video mapping has become increasingly popular in recent years, with many cities hosting large-scale video mapping events and installations as a way to promote tourism and engage with the public.

What is Video Projection

Video projection is a technology used to display video content onto a screen or other surface using a projector. It is commonly used in a variety of settings, including presentations, live events, movie theaters, and home entertainment systems.

Video projection involves using a projector to display an image or video onto a surface, such as a screen, wall, or other flat surface. The projector works by shining a beam of light through a lens and onto the surface, creating a large-scale image.

Video projection can be used to display a wide range of content, including live camera feeds, pre-recorded videos, computer-generated graphics, and slideshows. It is often used in combination with audio systems to create a multimedia experience.

There are different types of projectors available, including LCD, DLP, and laser projectors. The choice of projector depends on factors such as the intended use, the environment, and the desired image quality.

Video projection technology has advanced significantly in recent years, with higher resolutions, brighter images, and more efficient and reliable projectors. As a result, video projection has become a popular and versatile tool for creating engaging and immersive visual experiences.

video projector
video projector

What is Pixel Mapping

Pixel mapping is a technique used to control and manipulate individual pixels of an LED video display or matrix in order to create dynamic and engaging visual effects. It involves mapping out the location of each individual pixel on the display and using specialized software to manipulate the color and brightness of each pixel independently. Pixel mapping can be used to create a wide range of visual effects, such as scrolling text, dynamic patterns, and animations. It is commonly used in a variety of settings: concerts, theatrical productions, nightclubs, and other live events.

Pixel mapping requires specialized software and hardware, including LED video displays or matrices, and pixel mapping controllers. The controllers are used to send data to each individual pixel, allowing for precise control over the color and brightness.

Pixel mapping can also be combined with other visual technologies, such as video projection and laser mapping, to create even more complex and dynamic visual displays. Overall, pixel mapping is a powerful and versatile tool for creating visually stunning displays that can enhance the impact of live events, performances, and installations.

What is a Video synthesizer

A video synthesizer is an electronic device or software program that is used to generate and manipulate video signals in real-time. It is similar to an audio synthesizer in that it allows users to create and manipulate a wide range of visual effects, such as color patterns, shapes, and movements.

Video synthesizers can be either hardware or software-based, and they typically include a range of controls and parameters that allow users to adjust and modify the generated visuals. They may also include features such as video inputs, outputs, and filters to further manipulate and enhance the visuals.

Video synthesizers are often used in live performances, such as music concerts or VJ performances, as well as in installations and other interactive art projects. They can be used to create a wide range of visual effects, from simple geometric shapes to complex animations.

Video synthesizers are often used in combination with other visual technologies, such as video projection, LED displays, and video mapping, to create even more complex and dynamic visual displays. Overall, video synthesizers provide a powerful tool for artists and performers to create and manipulate live visuals in real-time, allowing for a high degree of creative expression and engagement with audiences.

video mixing - vj.io
video mixing - vj.io

What is video manipulation

Video manipulation is the process of altering video content in a deliberate and intentional way, often for artistic or political purposes. It can involve various techniques, including editing, compositing, color grading, and special effects. Video manipulation can be used to create a wide range of effects, such as altering the appearance of objects or people within the video, changing the lighting and color of the scene, or adding visual elements that were not originally present.

While video manipulation can be used for artistic purposes, it can also be used for malicious or deceptive purposes, such as creating deepfakes or other forms of disinformation. It is important to be aware of these risks and to approach video content with a critical eye, especially in the age of social media and online sharing.

Video manipulation requires specialized software and hardware, such as video editing software and digital compositing tools. It also requires a certain degree of technical skill and artistic creativity to achieve the desired visual effects. Overall, video manipulation can be a powerful tool for artistic expression, but it is important to approach video content with a critical eye and to be aware of the potential risks and ethical considerations involved.

Video scratching, also known as video jockey (VJ) scratching or visual scratching, is a technique used in live video mixing and VJ performances to create rhythmic and dynamic visual effects. It involves using a mixer or other specialized hardware and software to manipulate video clips in real-time, similar to how a DJ would scratch and mix music.

The technique of video scratching involves manipulating and re-arranging individual video frames, creating stutters, loops, and other effects that sync with the music or audio being played. The result is a dynamic and engaging visual display that enhances the audio experience and engages the audience.

Video scratching can be used with a variety of visual content, including music videos, live camera feeds, and pre-recorded footage. It requires specialized hardware and software, such as video mixers and controllers, and a certain degree of technical skill and artistic creativity to achieve the desired visual effects.

Video scratching has become increasingly popular in recent years, particularly in the electronic dance music (EDM) scene and other live performance settings. It provides a powerful tool for VJs and other visual artists to create engaging and immersive visual displays that enhance the overall audio-visual experience.

What is video scratching

What is a video switcher

A video switcher, also known as a video mixer or production switcher, is an electronic device used in video production to switch or mix multiple video signals into a single output. It is commonly used in live event production, television broadcasting, and other video production settings.

Video switchers can be either hardware or software-based, and they typically include multiple inputs and outputs for video signals, as well as various controls and effects for switching and mixing the signals. They may also include features such as audio mixing, chroma keying, and digital effects to further enhance the video production.

Video switchers can be used to switch between multiple camera angles or video sources, create multi-layered video compositions, and add visual effects and transitions to the video output. They can also be used to create picture-in-picture displays, split-screen effects, and other complex visual displays.

Overall, video switchers are a powerful tool for video production, allowing for the seamless switching and mixing of multiple video sources into a single output. They require a certain degree of technical skill and knowledge to operate effectively, but they can greatly enhance the quality and impact of video productions.

VJ software - vj.io
VJ software - vj.io

What is a video rendering

Video rendering refers to the process of creating a final video output from raw video footage and other visual assets. It involves the conversion of the original video and audio source files into a single, polished video file with various effects, transitions, and other enhancements added.

During the video rendering process, the computer or rendering software applies the desired effects, transitions, color grading, and other edits to the raw video footage. Once all the edits have been applied, the software will then create a final output file in a specified format, such as MP4, AVI, or MOV.

Video rendering can be a time-consuming process, particularly for longer videos or videos with complex visual effects. The rendering time can depend on the hardware and software being used, as well as the complexity of the video project.

Video rendering is an important step in the video production process, as it allows video producers to see their final product and make any final tweaks or adjustments before sharing the video with an audience. It can also be used to create multiple versions of the same video for different platforms or purposes, such as creating a high-resolution version for use on a large screen and a lower resolution version for online distribution.