Hdtv aspect ratio calculator how to#
Hdtv aspect ratio calculator download#

Version 3.5: Fixed bug in the aspect ratio input that caused international users to have problems (problem was related to using “,” as decimal delimiter instead of “.”) Added cells to the far right of the spreadsheet to allow changing and adding custom screen aspect ratios.The default is 20/20 vision changing the input to 20/10 vision with show that the viewer will be able to spot resolution deficiencies at much greater distances due to more acute eyesight. Version 3.6: Added feature to allow calculation of Visual Acuity Viewing Distance based on eyesight of the viewer.Version 3.7: Clarified back row platform height input fields, modified formulas to prevent negative platform heights (user info message instead), changed spreadsheet defaults to better fit a typical home theater.Version 4.0: Added Anamorphic (horizontal expansion) front projector lens option, which adjusts projector brightness and throw ratios when selected.

Hdtv aspect ratio calculator how to#

Version 4.1: Added details on how to enter 4k and 8k UHD resolutions.Please report any problems or suggestions via e-mail or the comments form below. seat locations, a second row stadium seating platform height calculation, and a few other goodies.projector screen size & projector mounting location (based on min/max projector throw distances).projector screen size & screen brightness with guidelines for recommended values (based on projector brightness and screen gain).recommended viewing distances for a given display resolution – 480p, 720p, 1080p/1080i, 1440p, etc (based on Visual Acuity standards).recommended viewing distances for a given screen size – for both flat panels and projectors (based on THX and SMPTE standards).The spreadsheet contains calculations for the following:

Hdtv aspect ratio calculator download#

Please download it and put it to good use! I noticed on various forums that others could probably benefit from this spreadsheet, so I cleaned it up and I’m now making it available to the public. Over the past several years, I’ve slowly constructed a spreadsheet to meet all of my home theater design needs.