Flashcards in CTS Video Deck (23):

1

## 4:3 or Standard def

### 1.33

2

## 16:9 or HD video

### 1.77

3

## 16:10 or Computer/video

### 1.6

4

## 1.33

### Standard def or 4:3

5

## 1.77

### HD Video or 16:9

6

## 1.6

### Computer/video or 16:10

7

## What's the Pythagorean Theorem?

### A squared + B squared = C squared

8

## What's the formula for aspect ratio?

### AR = W/H

9

## Numbers for HD aspect ratio WITH diagonal

### 16:9:18.36

10

## In SH = D / SL what do the variables mean?

### SH is image height, D is distance of farthest viewer, SL is Level of screen detail.

11

## What's the formula for determining image height?

### SH = D / SL

12

## What are the numbers for Level of screen detail?

### 8 for general viewing, 6 for reading, 4 for inspection detail

13

## Formula for Viewer Distance by Text Height?

### D = TH * 150

14

## What's the average seated head height?

### 52" or 1.3 m

15

## What the average seated eye height?

### 48" or 1.2 m

16

## When talking about projector placement what do x, y, and z reference?

### x = horizontal, y = vertical, z = throw

17

## What's the formula for Throw Distance?

### Screen width * throw ratio

18

## What are some film aspect ratios and their names?

### Panavision (1.85:1), 70mm (2.05:1), CenemaScope (2.35:1), Cinerama (2.76:1)

19

## What are the two agreed upon resolutions of HD video?

### 1280 x 720 ; 1920 x 1080

20

## What's the resolution of 2K video?

### 2048 x 1024

21

## What's the resolution of 4K video?

### 4096 x 2048

22

## Which two DCI set HD resolutions cannot yet be broadcast in the US?

### 2K (2048 x 1024) and 4K (4096 x 2048)

23