本文件为制作人、参展商和分销商提供了视听内容（如字幕/副标题）中替代音频信息的视觉展示指南。 本文档提供的要求和建议旨在支持无法使用音频信息、更喜欢使用音频信息的视觉表示或更喜欢音频和视频表示的用户。 注意:许多用户没有选择，例如，在嘈杂的环境中（例如。 g、 酒吧、餐厅等）。在这些情况下，用户不选择音频信息的视觉呈现，而是提供带有字幕/副标题的内容。 本文件承认观众（最终用户）的各种需求和偏好，以及音频信息的不同视觉呈现方式。它适用于以字幕/副标题形式呈现的音频信息的视觉替代方案的所有呈现。 本文件不适用于用于传递音频信息的内容或视觉演示的演示设备或传输机制。 这些设备可以包括但不限于:电视、计算机、无线设备、投影设备、DVD和家庭影院设备、视频游戏机以及其他形式的用户界面技术。本文件不适用于各种视频输出的转码文件和格式。 本文件对以与音频相同语言（即语内字幕/副标题）进行的视觉演示和翻译成不同语言（即。 e、 ，语际字幕/副标题）。本文件不适用于语言翻译的具体过程。 本文档有助于提高可访问性。本文件并未对特定行业（如电视广播、电影）制定要求，也无意取代其领域内的特定国际标准。

This document provides guidance for producers, exhibitors, and distributors on the visual presentation of alternatives to audio information in audiovisual content, such as captions/subtitles. This document provides requirements and recommendations that are intended to support users who are not able to use the audio information, prefer to use a visual representation of audio information, or prefer both audio and visual presentations. NOTE Many users do not have a choice, for instance, when in a noisy environment (e.g. bar, restaurant, etc.). In these situations, the user does not select a visual presentation of audio information but is offered the content with captions/subtitles. This document acknowledges the various needs and preferences of viewers (end users) as well as the different approaches to visual presentation of audio information. It applies to all presentations of visual alternatives to audio information intended to be presented as captions/subtitles. This document does not apply to the presentation devices or transmission mechanisms used to deliver the content or visual presentations of audio information. These devices could include, but are not limited to: televisions, computers, wireless devices, projection equipment, DVD and home cinema equipment, video game consoles, and other forms of user interfaces technology. This document does not apply to transcoding files and formats for the various video outputs. This document gives guidance on visual presentations which are delivered in the same language as in the audio (i.e., intra-lingual captions/subtitles) and visual presentations which are translated into a different language (i.e., inter-lingual captions/subtitles). This document does not apply to the specific process of language translation. This document helps to improve accessibility. This document does not establish requirements on specific industries (e.g. television broadcasting, motion pictures) nor is it intended to supersede specific international standards within their domain.