Video technology allows for multiple frame rates, and so measuring time is a little more complex than simply counting the number of frames (though this is an option). Timecode makes measuring time easy, and this video explains why we use it, how to read it, and how to recognize the frame rate of your media.
- [Instructor] When celluloid was the most popular medium,…we needed to find a way to measure time.…One obvious way was to count the number of frames.…It's simple, certain, and uncomplicated.…Frame counts are still used today,…particularly in animation production,…but a a more advanced system was developed for celluloid…that used carefully spaced numbers pre-printed,…burned into the edge of the film.…One problem with both frame counts and edge numbers…is that it can take quite a lot of effort to use them…to work out the hours, minutes, seconds,…and frames they represent, which we need to get a sense…of playback duration.…
When video technology came along,…it was an opportunity to add a new system of measurement:…Timecode.…Timecode stores a number on every frame of video.…In fact, timecode is used for audio too and a number…of other industrial technologies.…A timecode number displays the hour, minute, second,…and frame of a particular image.…Anytime you see a series of eight numbers separated…by colons or semicolons, you're almost certainly looking…
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 Garrott19m 25s Beginner
Video Foundations: Cameras and Shootingwith Anthony Q. Artis2h 58m Intermediate
Introduction to Video Dialogue Editingwith Ashley Kennedy3h 14m Intermediate
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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