BS ISO/IEC 20071-23:2018为生产商、参展商和分销商提供了视觉展示方面的指导 视听内容中音频信息的替代品，如字幕/副标题。本文件提供了旨在支持以下用户的要求和建议: 无法使用音频信息，倾向于使用音频信息的视觉表示，或 喜欢音频和视频演示。交叉参考:SMPTE ST 428-7:2014ISO/IEC TS 20071-25SMPTE ST 429-12:2008SMPTE ST 428- 10:2008JIS S S 0032:2003ISO DIS 24509ITU-T建议H.702IEC 82079-1:2012ISO/IEC/IEEE 23026:2015ISO/TR 22411:2008ISO/IEC TS 20071-11:2012ISO/IEC 2382:2015ISO 9241-303:2011ISO/IEC TR 29138-1:2009ISO 24505:2016ISO/IEC TS 20071-21:2015ISO/IEC 40500:2012ISO 9241-129:2010ISO 24502:2010购买本文件时可提供的所有当前修订内容均包含在购买本文件中。

BS ISO/IEC 20071-23:2018 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.Cross References:SMPTE ST 428-7:2014ISO/IEC TS 20071-25SMPTE ST 429-12:2008SMPTE ST 428-10:2008JIS S 0032:2003ISO DIS 24509ITU-T Recommendation H.702IEC 82079-1:2012ISO/IEC/IEEE 23026:2015ISO/TR 22411:2008ISO/IEC TS 20071-11:2012ISO/IEC 2382:2015ISO 9241-303:2011ISO/IEC TR 29138-1:2009ISO 24505:2016ISO/IEC TS 20071-21:2015ISO/IEC 40500:2012ISO 9241-129:2010ISO 24502:2010All current amendments available at time of purchase are included with the purchase of this document.