While the luminance-only waveform is the classic tool for checking your media, it's common for colorists to use the more advanced RGB Parade instead, as this gives more color information and shows color bias in an image. If you understand the way a waveform monitor works, you'll find you can easily use an RGB Parade too, for precise adjustments to relative colors and brightness in your shots.
- [Instructor] An RGB parade works in a very similar way…to a waveform with one important difference.…Each of the colors, red, green, and blue, are displayed…in their own waveform side-by-side.…To fit three waveforms into the same space,…each one is compressed horizontally into 1/3 of the graph.…When I first saw an RGP parade, I couldn't understand…why the image was broken into three,…and it was someone explaining…that it's the same image crushed horizontally…that unlocked the technology for me.…
The benefit of an RGB parade is that it gives more detail…on where the brighter and darker parts of your picture lie.…If you have a lot of pixels…that are the same color and brightness,…you'll get a flat line in the waveform.…The pixels can all bunch up together in the display,…telling you there's a really flat area in the picture.…In the RGB parade, you get a breakdown of the levels…for each color, and this can be a great way to gauge…if there's a color cast in your image.…In this example, there's clearly more red than blue…
Get ready to remove the mystery behind terms you've encountered. If you work in a creative profession, this can enhance your command of the tools you use. Learn what a pixel really is, what color channels are, and what audio frequency is. Discover how color channels, bit depth, and video frame rates work. Find out the difference between codecs and file formats, and how compression is involved. By the end of this course, you'll know how to answer common client questions—like, whether a logo should be supplied in vector or bitmap form, and more.
Note: Motion graphics in this course were provided by Chelsea Parrish: chelseaparrish.com.
- What is a pixel?
- Aspect ratios
- Bit depth
- Alpha and transparency
- Light and color channels
- Color modes: RGB, YUV, CMYK
- Camera depth of field
- Chroma Key and Luma Key
- Blend modes
- Color wheels, vectorscopes, and waveforms
- Video compression and codecs
- Frame rates and timecode
- File formats
- Audio amplitude
- Capturing audio tone as frequency
- Audio timing using the phase
Skill Level Beginner
Learning Video Production and Editingwith Rob Garrott20m 37s Beginner
Video Foundations: Cameras and Shootingwith Anthony Q. Artis2h 58m Appropriate for all
Introduction to Video Dialogue Editingwith Ashley Kennedy3h 14m Appropriate for all
1. How Do Computers Think?
2. How Cameras and Computers Think about Color
3. The Language of Color
4. The Shape of Your Picture and the Speed of Your Video
5. Storing Everything (Codecs)
6. Color Wheels, Vectorscopes, and Waveforms
Understanding waveforms2m 39s
7. Making Changes
8. Audio Made Simple
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