本文件提供了测量单向视频信号峰值信噪比（PSNR）的技术报告草稿。本技术报告草案是视频质量指标特设小组正在制定的四个系列报告之一。

This document provides a draft of the technical report for measuring the peak-signal-to-noise-ratio (PSNR) of one-way video signals. This draft technical report is one of a series of four that are being developed by the ad hoc group on video quality metrics.