An introduction to accurate display timing for PCs under 'Windows'

Authors: Gofen, Alex¹; Mackeben, Manfred¹

Source: Spatial Vision, Volume 10, Number 4, 1997 , pp. 361-368(8)

Publisher: VSP, an imprint of Brill

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Abstract:

As the use of computers for delivering stimuli in vision research has become ubiquitous, there is an obvious need for accurate timing of display monitors without the use of expensive hardware extensions. If a user should decide to program an application in the increasingly common 'Windows' operating system for IBM PCs and compatibles, a software solution for this problem is not obvious any more. The goal is to achieve display durations down to one single video frame. This article describes several approaches and a tested solution designed to run on any PC or compatible under Windows 3.1/95, regardless of the video card used. This creates new possibilities for low-cost implementation of visual experiments for laboratory and classroom use.

Document Type: Research article

DOI: 10.1163/156856897X00285

Affiliations: 1: The Smith-Kettlewell Eye Research Institute, 2232 Webster Street, San Francisco, CA 94115, USA

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