We present the first empirical study of the impact of loss-related errors on TV viewing engagement across disparate platforms, delivery technologies and performance measures. Our dataset comprises anonymized video viewing sessions and data about quality of delivery from a content service provider with a nationwide customer base. We study buffering events on streaming apps, mild and severe packet loss errors on multicast-delivered IPTV to a Set-Top-Box (STB) and signal strength errors on Digital Terrestrial TV. Since these metrics cannot be directly compared to each other, we use engagement as our proxy measure. We first characterize the relationship between each impairment and viewing engagement, investigating confounding factors such as type of content, asset length and connection type. We conclude that the loss of engagement due to poor quality delivery is incurred immediately for on-demand content and in the long-term for live content. We rank impairments across platforms by their impact on engagement.

中文翻译：

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对视频服务质量进行基准测试：量化与损失相关的损害对观众的影响

我们首次对与损失相关的错误对跨不同平台、交付技术和性能指标的电视观看参与的影响进行了实证研究。我们的数据集包括匿名视频观看会话和来自拥有全国客户群的内容服务提供商的交付质量数据。我们研究了流媒体应用程序上的缓冲事件、多播传送到机顶盒 (STB) 的 IPTV 上的轻度和严重丢包错误以及数字地面电视上的信号强度错误。由于这些指标不能直接相互比较，我们使用参与度作为我们的代理衡量标准。我们首先描述每个损伤与观看参与度之间的关系，调查混杂因素，例如内容类型、资产长度和连接类型。我们得出的结论是，点播内容和实时内容的长期影响会因交付质量差而导致参与度下降。我们根据对参与度的影响对跨平台的损害进行排名。