Which pixel aspect ratio to use

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Learn more. Adobe Community Professional , Feb 02, Feb 02, In short for normal image use, just leave it set to square. Jump to latest reply. Hi check the following video you will understand what it means In our latest educational video we breakdown the differences between aspect ratios and explain why there are so many, as well as shed some light on how aspec Correct answer by davescm. In Response To davescm. Thank you for that.

I had wanted to know what I should do. As I don't do video, it is helpful to know I should keep it on square pixels. Post Reply. Quick links - Photoshop. Get to know Photoshop. Common questions about Photoshop. Inspiring tutorials. User Guide - Photoshop. Those are rectangular pixels. The most common case was the Standard DVD.

If the ratio is it means that each side of the pixel is the same length as the other, in other words the pixel is a square. Square pixels are for flat images, other, what I now think of as 'rounded' pixels are for videos. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Learn more. What is pixel aspect ratio? Ask Question. Asked 5 years, 3 months ago. Active 4 years, 1 month ago. Viewed 25k times. What is this? What does it do? Improve this question.

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Image 1 : Aspect ratio is defined as width divided by height One some devices most notably old TV signals and some movie formats the pixel is not a square but rather somewhat elongated, wider than high. Improve this answer. Not always. Jukka Aho Jukka Aho 3 3 bronze badges. Some monitors designed for digital signage use also use rectangular pixels. I really do not think of a practical usage for non square pixels in static images. In video you could have not rounded! Rafael Rafael 32k 2 2 gold badges 30 30 silver badges 84 84 bronze badges.

Pixel aspect ratio PAR refers to the proportion of the individual pixels that make up an image. Pixels are typically square, which results in a pixel aspect ratio of But images that are optimized for certain types of displays can also have rectangular pixels with an aspect ratio of or similar. As the name suggests, display aspect ratio refers to the proportions of an image as it appears on screens of various kinds.

Some devices, such as cameras and televisions, have a fixed DAR, so for images to display well on these devices, they need to be optimized for their particular aspect ratio. For example, a typical display aspect ratio for widescreen video to be displayed on a monitor or television screen is When images with a different aspect ratio are displayed on these devices, they appear distorted. Digital SLR camera sensors also have a fixed display aspect ratio, which controls how images captured by the camera will be saved and displayed.

Storage aspect ratio SAR is an aspect ratio formula that pertains specifically to encoded digital video files. SAR refers to the width and height relationship in video frame size, and it needs to be consistent across all individual frames in order for the complete video to display properly.

Aspect ratios play an important part in any kind of project that involves capturing and displaying photographs, videos, or other kinds of image-based files in the correct way. And for videographers and anyone working with slideshows, animations, and other motion projects, aspect ratio is a key factor for correct display on widescreen and mobile devices.

The shift to responsive web design , which ensures that content displays properly across all devices, helps to resolve a number of problems with setting aspect ratios for individual images. A simple example is when a square image with a aspect ratio needs to fit into a rectangular box on a website page. To accommodate varying image size requirements, proportions, as well as size, may have to be adjusted.