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Aspect Ratio: Which Should You Choose?
Aspect Ratio: Which Should You Choose?
Published: 2015/09/05
Channel: Now You See It
Aspect Ratios As Fast As Possible
Aspect Ratios As Fast As Possible
Published: 2015/12/20
Channel: Techquickie
The Changing Shape of Cinema: The History of Aspect Ratio
The Changing Shape of Cinema: The History of Aspect Ratio
Published: 2013/06/24
Channel: Filmmaker IQ
What is Aspect Ratio and Which Aspect Ratio is Right for You
What is Aspect Ratio and Which Aspect Ratio is Right for You
Published: 2016/05/02
Channel: wolfcrow
Aspect Ratios 2.35:1 vs 1.85:1 vs 1.77:1 (16:9)
Aspect Ratios 2.35:1 vs 1.85:1 vs 1.77:1 (16:9)
Published: 2015/08/26
Channel: DPCinemaTalk
5 Movies That Change Aspect Ratio Midway Through
5 Movies That Change Aspect Ratio Midway Through
Published: 2016/03/19
Channel: Movie Munchies
What is Aspect ratio? Explained ll in telugu ll by prasad ll
What is Aspect ratio? Explained ll in telugu ll by prasad ll
Published: 2017/10/04
Channel: Prasadtechintelugu
Monitor/Screen/Display Specs Explained ft. Display Resolution, Aspect Ratio, Ultrawide
Monitor/Screen/Display Specs Explained ft. Display Resolution, Aspect Ratio, Ultrawide
Published: 2014/12/07
Channel: NCIX Tech Tips
You
You're doing "Cinematic" aspect ratios ALL WRONG!
Published: 2017/05/11
Channel: EposVox
Understanding Aspect Ratio & Resolution
Understanding Aspect Ratio & Resolution
Published: 2015/12/18
Channel: EliteScreensInc
What happens when Jurassic World is projected incorrectly (tricky aspect ratio)
What happens when Jurassic World is projected incorrectly (tricky aspect ratio)
Published: 2015/06/12
Channel: Film Divider
[Hindi-हिन्दी] Aspect Ratio Explained || Which one is better 16:9 or 18:9 !! #AnkushTyagiExplains
[Hindi-हिन्दी] Aspect Ratio Explained || Which one is better 16:9 or 18:9 !! #AnkushTyagiExplains
Published: 2017/03/11
Channel: Ankush Tyagi
Aspect Ratios: What You Need to Know About Image Sizes in Shopify
Aspect Ratios: What You Need to Know About Image Sizes in Shopify
Published: 2013/07/24
Channel: Shopify
Video Aspect Ratio: what it is and which one to choose?
Video Aspect Ratio: what it is and which one to choose?
Published: 2015/10/19
Channel: Filmora MVP
BEST ASPECT RATIO | 16:9 VS 4:3 STRETCHED VS BLACK BARS - CS:GO Guide
BEST ASPECT RATIO | 16:9 VS 4:3 STRETCHED VS BLACK BARS - CS:GO Guide
Published: 2016/08/22
Channel: luckySkillFaker
Composition Techniques for Widescreen Aspect Ratios
Composition Techniques for Widescreen Aspect Ratios
Published: 2013/06/24
Channel: Filmmaker IQ
Aspect Ratio Video
Aspect Ratio Video
Published: 2007/08/17
Channel: Accord Productions
What is the LG G6
What is the LG G6's 18:9 aspect ratio all about? - Gary explains
Published: 2017/03/10
Channel: Android Authority
On the Waterfront - Aspect Ratio Visual Essay
On the Waterfront - Aspect Ratio Visual Essay
Published: 2013/02/19
Channel: criterioncollection
Flight Discovery - Aspect Ratio
Flight Discovery - Aspect Ratio
Published: 2014/04/29
Channel: MAJ1
VIDEO ESSAY - How Aspect Ratio tells a Story in Film
VIDEO ESSAY - How Aspect Ratio tells a Story in Film
Published: 2016/09/06
Channel: The Film Essay
iOS AspectRatio  Using from Xcode Story-Board
iOS AspectRatio Using from Xcode Story-Board
Published: 2015/11/21
Channel: Raj P
Photo School: Aspect Ratios
Photo School: Aspect Ratios
Published: 2014/01/15
Channel: nevercenter
Creative Aspect Ratio Techniques
Creative Aspect Ratio Techniques
Published: 2014/05/14
Channel: Tuts+ Photo & Video
Aspect Ratio - Pocket Film School™ #4
Aspect Ratio - Pocket Film School™ #4
Published: 2015/03/11
Channel: ProfessorPuppet
Quick Lesson 4: Understanding Image Aspect Ratio
Quick Lesson 4: Understanding Image Aspect Ratio
Published: 2013/12/11
Channel: Jeremy Smith
IMAX® Presents: Expanded Aspect Ratio
IMAX® Presents: Expanded Aspect Ratio
Published: 2017/03/15
Channel: IMAX
Resolution and Aspect Ratio Explained
Resolution and Aspect Ratio Explained
Published: 2012/09/07
Channel: Projector People
YouTube Aspect Ratio Problem Fix
YouTube Aspect Ratio Problem Fix
Published: 2013/05/31
Channel: GunsKnivesSurvival
How is K-POP playing with Aspect Ratio?
How is K-POP playing with Aspect Ratio?
Published: 2016/07/20
Channel: Cover your Ears
Aspect Ratio - Sony Cinema Quick Tips
Aspect Ratio - Sony Cinema Quick Tips
Published: 2017/05/25
Channel: Bobby Burns
Super Nintendo Aspect Ratio
Super Nintendo Aspect Ratio
Published: 2017/01/15
Channel: Displaced Gamers
Tutorial Adobe Premiere Pro CC - Episode 28 - Achieving Cinema Aspect Ratios
Tutorial Adobe Premiere Pro CC - Episode 28 - Achieving Cinema Aspect Ratios
Published: 2015/06/16
Channel: chinfat
DSLR tutorial: Understanding aspect ratios | lynda.com, DSLR Video Tips series
DSLR tutorial: Understanding aspect ratios | lynda.com, DSLR Video Tips series
Published: 2012/08/10
Channel: LinkedIn Learning Solutions
Film Aspect Ratio Overview and Tutorial
Film Aspect Ratio Overview and Tutorial
Published: 2012/03/04
Channel: VidMuze
Pixel Aspect Ratio Explanation
Pixel Aspect Ratio Explanation
Published: 2013/03/23
Channel: TomasPat1
Aspect ratios in Adobe Premiere Pro CC
Aspect ratios in Adobe Premiere Pro CC
Published: 2014/04/28
Channel: Ian Killick
Film Riot - Aspect Ratios, Human Bananas & Star Wars Make-Up
Film Riot - Aspect Ratios, Human Bananas & Star Wars Make-Up
Published: 2010/01/21
Channel: Film Riot
Aspect Ratio Hack: Micro Tip #17 - Supercharged
Aspect Ratio Hack: Micro Tip #17 - Supercharged
Published: 2017/10/05
Channel: Google Chrome Developers
Pros And Cons Of The 21:9 Aspect Ratio
Pros And Cons Of The 21:9 Aspect Ratio
Published: 2015/03/29
Channel: WAF
CS:GO Aspect ratio, 4:3 Why?
CS:GO Aspect ratio, 4:3 Why?
Published: 2015/11/17
Channel: Tasorrog
What does Aspect Ratio Mean? How to choose the right frame for your photo
What does Aspect Ratio Mean? How to choose the right frame for your photo
Published: 2016/10/04
Channel: Easy Camera Lessons
Adjusting image size and aspect ratio | GoPro | lynda.com
Adjusting image size and aspect ratio | GoPro | lynda.com
Published: 2014/11/09
Channel: LinkedIn Learning Solutions
R6S - Aspect Ratio comparison
R6S - Aspect Ratio comparison
Published: 2017/05/07
Channel: Kqxer
How to: Aspect Ratio video in iMovie
How to: Aspect Ratio video in iMovie
Published: 2011/01/13
Channel: Emile van Zeeland
[HINDI] What is Aspect ratio || Everything about aspect ratios ||
[HINDI] What is Aspect ratio || Everything about aspect ratios ||
Published: 2017/05/26
Channel: Tech Mechanic
Resolution and Aspect Ratio Management for Game Maker - Part 1
Resolution and Aspect Ratio Management for Game Maker - Part 1
Published: 2016/09/02
Channel: PixelatedPope
Lightroom: Quickly Crop Many Photos to the Same Aspect Ratio (Proportions)
Lightroom: Quickly Crop Many Photos to the Same Aspect Ratio (Proportions)
Published: 2016/02/23
Channel: Laura Shoe
Give Your Video A 1 to 1 Aspect Ratio in Premiere Pro
Give Your Video A 1 to 1 Aspect Ratio in Premiere Pro
Published: 2016/05/05
Channel: GaryAt FullSail
How to crop an image to a specific size and aspect ratio using Photoshop CS6
How to crop an image to a specific size and aspect ratio using Photoshop CS6
Published: 2013/05/12
Channel: Benjamin Turner
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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The aspect ratio of a geometric shape is the ratio of its sizes in different dimensions. For example, the aspect ratio of a rectangle is the ratio of its longer side to its shorter side – the ratio of width to height,[1] when the rectangle is oriented as a "landscape".

The aspect ratio is expressed as two numbers separated by a colon (x:y). The values x and y do not represent actual widths and heights but, rather, the relationship between width and height. As an example, 8:5, 16:10 and 1.6:1 are three ways of representing the same aspect ratio.

In objects of more than two dimensions, such as hyperrectangles, the aspect ratio can still be defined as the ratio of the longest side to the shortest side.

Applications and uses[edit]

The term is most commonly used with reference to:

Aspect ratios of simple shapes[edit]

Rectangles[edit]

For a rectangle, the aspect ratio denotes the ratio of the width to the height of the rectangle. A square has the smallest possible aspect ratio of 1:1.

Examples:

Ellipses[edit]

For an ellipse, the aspect ratio denotes the ratio of the major axis to the minor axis. An ellipse with an aspect ratio of 1:1 is a circle.

Elps-slr.svg

Aspect ratios of general shapes[edit]

In geometry, there are several alternative definitions to aspect ratios of general compact sets in a d-dimensional space:[2]

  • The Diameter-Width Aspect Ratio (DWAR) of a compact set is the ratio of its diameter to its width. A circle has the minimal DWAR which is 1. A square has a DWAR of sqrt(2).
  • The Cube-Volume Aspect Ratio (CVAR) of a compact set is the d-th root of the ratio of the d-volume of the smallest enclosing axes-parallel d-cube, to the set's own d-volume. A square has the minimal CVAR which is 1. A circle has a CVAR of sqrt(2). An axis-parallel rectangle of width W and height H, where W>H, has a CVAR of sqrt(W^2/WH) = sqrt(W/H).

If the dimension d is fixed, then all reasonable definitions of aspect ratio are equivalent to within constant factors.

Notations[edit]

Aspect ratios are mathematically expressed as x:y (pronounced "x-to-y").

Cinematographic aspect ratios are usually denoted as a (rounded) decimal multiple of width vs unit height, while photographic and videographic aspect ratios are usually defined and denoted by whole number ratios of width to height. In digital images there is a subtle distinction between the Display Aspect Ratio (the image as displayed) and the Storage Aspect Ratio (the ratio of pixel dimensions); see Distinctions.

See also[edit]

References[edit]

  1. ^ Rouse, Margaret (September 2005). "What is aspect ratio?". WhatIs?. TechTarget. Retrieved 3 February 2013. 
  2. ^ Smith, W. D.; Wormald, N. C. (1998). "Geometric separator theorems and applications". Proceedings 39th Annual Symposium on Foundations of Computer Science (Cat. No.98CB36280). p. 232. ISBN 0-8186-9172-7. doi:10.1109/sfcs.1998.743449. 

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