教育工作者可运用以下HeyGen方案：1）讲义转化：将PPT文字粘贴至文本框，选择”教学专家”类数字人形象自动生成讲解视频；2）互动增强：使用Voice Director功能为重点内容添加”强调”语调，插入动态字幕强化知识点；3）资源复用：通过照片说话(TalkingPhoto)功能让教材插图开口解说。某语言培训机构使用后，课程视频制作成本降低72%，学员完课率提升45%。
This answer comes from the articleHeyGen: a tool that helps you generate multilingual digital people explainer videosThe
May not be reproduced without permission:AI productivity tools " What are the ways to solve the problem of high cost of video production for online courses and to achieve low-cost and high-quality instructional videos?
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