{ "content_structure": [ { "section_id": "A", "name": "课程导入：生活中的长方形", "goal": "通过生活中常见的长方形物品引出本节课主题，激发学生学习兴趣", "duration_sec": 60.0, "preferred_generation_type": "video" }, { "section_id": "B", "name": "面积的含义", "goal": "帮助学生理解什么是图形的面积，建立面积的初步概念", "duration_sec": 60.0, "preferred_generation_type": "hybrid" }, { "section_id": "C", "name": "长方形面积公式推导", "goal": "通过摆小正方形的直观方式，引导学生推导出长方形面积计算公式", "duration_sec": 90.0, "preferred_generation_type": "video" }, { "section_id": "D", "name": "生活实例应用", "goal": "结合生活中的实际问题，让学生学会运用长方形面积公式解决问题", "duration_sec": 60.0, "preferred_generation_type": "frame" }, { "section_id": "E", "name": "课程总结", "goal": "梳理本节课重点知识，强化学生记忆", "duration_sec": 30.0, "preferred_generation_type": "frame" } ], "generation_mix_strategy": { "video_target_ratio": 0.6, "frame_target_ratio": 0.3, "hybrid_target_ratio": 0.1 }, "asset_plan": [ { "asset_id": "asset_char_01", "asset_type": "video_character_reference_image", "generation_model": null, "purpose": "作为视频场景中主讲小老师的形象参考，保持全片角色一致性", "prompt": "卡通风格的小学三年级女生形象，扎着马尾辫，穿着蓝色校服，笑容可爱，站姿端正，适合数学教学场景", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "uri": null, "metadata": {} }, { "asset_id": "asset_bg_classroom", "asset_type": "video_background_reference_image", "generation_model": null, "purpose": "作为教室场景的背景参考，用于导入和讲解类视频场景", "prompt": "明亮活泼的小学教室卡通背景，有课桌、黑板、窗户，阳光从窗户照进来，色彩鲜艳温馨", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "uri": null, "metadata": {} }, { "asset_id": "asset_prop_square", "asset_type": "video_prop_reference_image", "generation_model": null, "purpose": "作为面积推导场景中1平方厘米小正方形的道具参考", "prompt": "卡通风格的红色小正方形，边长相等，边缘圆润，表面有轻微光泽，代表1平方厘米的面积单位", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "uri": null, "metadata": {} }, { "asset_id": "asset_illu_desk", "asset_type": "frame_illustration", "generation_model": null, "purpose": "用于生活实例应用场景的课桌示意图，辅助题目理解", "prompt": "卡通风格的长方形课桌俯视图，木质纹理，颜色为浅棕色，形状规整", "negative_prompt": "不要文字、不要水印、不要人物", "uri": null, "metadata": {} }, { "asset_id": "asset_illu_book", "asset_type": "frame_illustration", "generation_model": null, "purpose": "用于生活实例应用场景的书本封面示意图，辅助题目理解", "prompt": "卡通风格的长方形书本封面，蓝色封皮，边角圆润，摆放整齐", "negative_prompt": "不要文字、不要水印、不要人物", "uri": null, "metadata": {} }, { "asset_id": "asset_icon_star", "asset_type": "frame_icon", "generation_model": null, "purpose": "用于课程总结页面的装饰图标，增加页面活泼感", "prompt": "卡通风格的黄色五角星，边缘圆润，有轻微高光，造型可爱", "negative_prompt": "不要文字、不要水印", "uri": null, "metadata": {} } ], "scene_plan": [ { "scene_id": "V01", "section_id": "A", "scene_title": "生活中的长方形物品展示", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "展示生活中常见的长方形物品，吸引学生注意力，引出课程主题", "scene_function": "课程导入", "content_summary": "小老师在教室里依次展示课本、课桌、黑板等长方形物品，引导学生观察它们的形状", "asset_refs": [ "asset_char_01", "asset_bg_classroom" ], "storyboards": [ { "storyboard_id": "V01_B01", "duration_sec": 5.0, "shot_goal": "展示教室场景和小老师登场", "visual_prompt": "卡通小学教室中，扎马尾的小老师站在讲台旁，笑着向镜头挥手，周围有课桌和黑板，阳光从窗户照进来", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "中景，缓慢推进", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "小朋友们好，今天我们来学习长方形的面积！", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V01_B02", "duration_sec": 5.0, "shot_goal": "展示长方形物品", "visual_prompt": "小老师依次拿起课本、指着课桌和黑板，这些物品都是长方形，画面中物品清晰突出", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "近景切换，跟随物品移动", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "看，课本、课桌、黑板，它们都是长方形。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V01_B03", "duration_sec": 5.0, "shot_goal": "引出面积问题", "visual_prompt": "小老师歪头做出思考的样子，手指指向课本封面，画面出现疑问的气泡图案", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "特写，聚焦小老师的表情和课本", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "那你知道课本封面有多大吗？这就是我们今天要学的面积。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "角色形象与参考图一致", "场景色彩明亮活泼", "无多余文字出现" ] }, { "scene_id": "V02", "section_id": "A", "scene_title": "寻找教室中的长方形", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "引导学生主动发现生活中的长方形，强化对长方形形状的认知", "scene_function": "互动导入", "content_summary": "镜头扫过教室的各个角落，展示窗户、地砖、文具盒等长方形物品，小老师做出数数的动作", "asset_refs": [ "asset_char_01", "asset_bg_classroom" ], "storyboards": [ { "storyboard_id": "V02_B01", "duration_sec": 5.0, "shot_goal": "展示窗户和地砖", "visual_prompt": "教室的窗户是长方形，地面的地砖也是整齐的长方形，阳光照在地砖上", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "全景缓慢移动", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "教室里还有很多长方形呢，窗户、地砖都是。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V02_B02", "duration_sec": 5.0, "shot_goal": "展示课桌上的长方形物品", "visual_prompt": "课桌上放着长方形的文具盒、练习本，小老师的手指轻轻点过这些物品", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "近景俯视课桌", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "文具盒、练习本，也都是长方形的。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V02_B03", "duration_sec": 5.0, "shot_goal": "引导互动思考", "visual_prompt": "小老师笑着看向镜头，伸出三根手指，做出邀请大家一起找的手势", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "中景，正对小老师", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "你也可以找找身边的长方形哦，我们开始学习吧！", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "物品形状为标准长方形", "动画流畅自然", "无多余文字出现" ] }, { "scene_id": "V03", "section_id": "A", "scene_title": "过渡到面积概念", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "从长方形形状自然过渡到面积概念，引发学生好奇心", "scene_function": "概念引入", "content_summary": "两个大小不同的长方形出现在画面中，小老师指着它们做出比较大小的动作", "asset_refs": [ "asset_char_01" ], "storyboards": [ { "storyboard_id": "V03_B01", "duration_sec": 5.0, "shot_goal": "展示两个不同大小的长方形", "visual_prompt": "浅蓝色背景上，出现一大一小两个黄色的长方形，并排摆放，边缘圆润", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面全景", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "这两个长方形，哪个更大呢？", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V03_B02", "duration_sec": 5.0, "shot_goal": "小老师引导思考", "visual_prompt": "小老师站在两个长方形旁边，用手分别比划两个长方形的大小，脸上带着疑问的表情", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "中景，包含人物和两个长方形", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "我们说的大小，其实就是它们的面积。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V03_B03", "duration_sec": 5.0, "shot_goal": "引出面积含义主题", "visual_prompt": "小老师指向画面中间，做出讲解的手势，画面氛围轻松活泼", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "近景，聚焦小老师的手势和表情", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "那到底什么是面积呢？我们一起来看看。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "长方形形状标准", "人物动作自然", "无多余文字出现" ] }, { "scene_id": "V04", "section_id": "A", "scene_title": "生活中的面积场景", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "通过生活场景让学生感知面积的存在，为概念讲解做铺垫", "scene_function": "感知铺垫", "content_summary": "展示小朋友擦桌子、铺地毯、贴画等场景，体现物体表面的大小", "asset_refs": [ "asset_bg_classroom" ], "storyboards": [ { "storyboard_id": "V04_B01", "duration_sec": 5.0, "shot_goal": "展示擦桌子的场景", "visual_prompt": "卡通小朋友拿着抹布擦长方形的课桌，抹布在桌面上来回移动，覆盖桌面", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "中景，侧面视角", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "擦桌子的时候，我们擦过的桌面大小，就是桌面的面积。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V04_B02", "duration_sec": 5.0, "shot_goal": "展示铺地毯的场景", "visual_prompt": "房间地面上铺着长方形的地毯，地毯覆盖了一部分地面，颜色鲜艳", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "俯视全景", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "地毯盖住地面的大小，就是地毯的面积。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V04_B03", "duration_sec": 5.0, "shot_goal": "展示贴画的场景", "visual_prompt": "小朋友往墙上贴长方形的画，画平整地贴在墙面上", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "中景，正面视角", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切活泼，语速适中", "text": "画占墙面的大小，就是画的面积。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "场景贴近生活", "动画流畅", "无多余文字出现" ] }, { "scene_id": "H01", "section_id": "B", "scene_title": "面积的含义讲解", "generation_type": "hybrid", "duration_sec": 15.0, "scene_goal": "明确讲解面积的含义，呈现准确的概念文字", "scene_function": "概念讲解", "content_summary": "视频背景展示长方形涂色动画，前景叠加面积含义的文字讲解，帮助学生理解概念", "asset_refs": [ "asset_prop_square" ], "storyboards": [ { "storyboard_id": "H01_B01", "duration_sec": 5.0, "shot_goal": "展示长方形表面涂色", "visual_prompt": "浅蓝色背景上，一个白色的长方形逐渐被黄色填满，从左到右覆盖整个长方形表面", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面特写，聚焦长方形", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } }, { "storyboard_id": "H01_B02", "duration_sec": 5.0, "shot_goal": "展示小正方形铺长方形", "visual_prompt": "红色的小正方形一个个整齐地排列在黄色长方形里，逐渐铺满整个长方形", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面特写，聚焦长方形内部", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } }, { "storyboard_id": "H01_B03", "duration_sec": 5.0, "shot_goal": "展示完整的铺满效果", "visual_prompt": "黄色长方形里整齐铺满了红色小正方形，整体画面清晰直观", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面全景，展示完整长方形", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } } ], "frame_prompt": { "page_type": "概念讲解页", "layout": "上下布局，视频区域在上半部分，文字区域在下半部分", "prompt": "渲染一个用于讲解长方形面积含义的确定性页面。上半部分为视频展示区，播放长方形涂色和铺小正方形的动画；下半部分为文字区，顶部居中显示标题文字「什么是面积」，标题下方显示正文文字「长方形的面积就是长方形所占平面的大小」，文字颜色为深蓝色，字体为圆润的卡通字体，背景为浅白色半透明区域，整体风格明亮活泼。", "animation_plan": [ "标题文字淡入出现", "正文文字逐行显示" ], "illustration_prompts": [], "style_requirements": [ "卡通风格，色彩明亮", "文字清晰易读，适合小学生", "与视频背景融合自然" ], "technical_requirements": [ "文字渲染准确无错误", "视频区域与文字区域划分清晰" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "长方形的面积，就是长方形所占平面的大小。我们可以用小正方形来测量它。", "sync_required": true, "allow_bgm": true, "allow_sfx": false }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "文字内容准确无误", "视频与文字布局合理", "整体风格统一" ] }, { "scene_id": "H02", "section_id": "B", "scene_title": "面积单位介绍", "generation_type": "hybrid", "duration_sec": 15.0, "scene_goal": "介绍常用的面积单位平方厘米，为后续推导公式做准备", "scene_function": "知识铺垫", "content_summary": "视频背景展示1平方厘米小正方形的大小参照，前景叠加面积单位的文字说明", "asset_refs": [ "asset_prop_square" ], "storyboards": [ { "storyboard_id": "H02_B01", "duration_sec": 5.0, "shot_goal": "展示小正方形和指甲对比", "visual_prompt": "红色小正方形旁边出现一个卡通的大拇指指甲，指甲和小正方形大小差不多", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "特写，对比展示", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } }, { "storyboard_id": "H02_B02", "duration_sec": 5.0, "shot_goal": "展示小正方形的边长", "visual_prompt": "小正方形的一条边旁边出现一段线段，代表边长，线段两端有标记点", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "放大特写小正方形的边", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } }, { "storyboard_id": "H02_B03", "duration_sec": 5.0, "shot_goal": "展示多个小正方形排列", "visual_prompt": "多个红色小正方形整齐排成一排，展示面积单位的累加效果", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "中景，展示一排小正方形", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } } ], "frame_prompt": { "page_type": "知识讲解页", "layout": "左右布局，视频区域在左侧，文字区域在右侧", "prompt": "渲染一个用于介绍面积单位的确定性页面。左侧为视频展示区，播放小正方形对比和排列的动画；右侧为文字区，顶部显示标题文字「面积单位」，下方第一行显示文字「边长1厘米的正方形」，第二行显示文字「面积是1平方厘米」，第三行显示文字「写作：1cm²」，文字颜色为深绿色，字体为卡通字体，背景为浅绿色半透明区域。", "animation_plan": [ "标题先出现", "每行文字依次淡入" ], "illustration_prompts": [], "style_requirements": [ "卡通风格，色彩清新", "文字清晰，符号准确", "左右布局协调" ], "technical_requirements": [ "数学符号渲染准确", "文字无错别字" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "我们常用的面积单位有平方厘米，边长1厘米的正方形，面积就是1平方厘米。", "sync_required": true, "allow_bgm": true, "allow_sfx": false }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "面积单位表述准确", "符号渲染正确", "视频与文字对应" ] }, { "scene_id": "H03", "section_id": "B", "scene_title": "面积概念小互动", "generation_type": "hybrid", "duration_sec": 15.0, "scene_goal": "通过小互动检验学生对面积概念的理解，强化记忆", "scene_function": "互动巩固", "content_summary": "视频背景展示两个不同的图形，前景叠加互动问题文字，引导学生思考", "asset_refs": [ "asset_prop_square" ], "storyboards": [ { "storyboard_id": "H03_B01", "duration_sec": 5.0, "shot_goal": "展示两个不同形状的图形", "visual_prompt": "浅蓝色背景上，左边是长方形，右边是正方形，两个图形颜色不同，并排摆放", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面全景", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } }, { "storyboard_id": "H03_B02", "duration_sec": 5.0, "shot_goal": "图形表面闪烁", "visual_prompt": "长方形和正方形的表面交替闪烁，突出它们的平面部分", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面中景", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } }, { "storyboard_id": "H03_B03", "duration_sec": 5.0, "shot_goal": "展示思考氛围", "visual_prompt": "两个图形中间出现一个大大的问号图案，问号轻轻跳动", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面中景，聚焦问号和图形", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } } ], "frame_prompt": { "page_type": "互动提问页", "layout": "上下布局，视频区域在上，问题文字在下", "prompt": "渲染一个用于面积概念互动的确定性页面。上半部分为视频展示区，播放图形对比动画；下半部分居中显示问题文字「下面哪个图形的面积更大呢？」，文字下方显示两个选项按钮，左边按钮文字「长方形」，右边按钮文字「正方形」，按钮为圆角卡通样式，整体风格活泼有趣。", "animation_plan": [ "问题文字弹跳出现", "按钮依次弹出" ], "illustration_prompts": [], "style_requirements": [ "卡通风格，色彩鲜艳", "问题清晰醒目", "按钮样式可爱" ], "technical_requirements": [ "文字渲染准确", "按钮布局对称" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "活泼有感染力，语速适中", "text": "小朋友们想一想，这两个图形哪个面积更大呢？我们可以用小正方形来量一量。", "sync_required": true, "allow_bgm": true, "allow_sfx": true }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "互动问题表述清晰", "视频与问题对应", "整体风格活泼" ] }, { "scene_id": "H04", "section_id": "B", "scene_title": "面积概念小结", "generation_type": "hybrid", "duration_sec": 15.0, "scene_goal": "小结面积的含义，巩固学生对概念的理解，自然过渡到公式推导", "scene_function": "概念小结", "content_summary": "视频背景展示不同长方形的面积示意，前景叠加概念小结文字", "asset_refs": [ "asset_prop_square" ], "storyboards": [ { "storyboard_id": "H04_B01", "duration_sec": 5.0, "shot_goal": "展示多个不同的长方形", "visual_prompt": "画面中出现三个大小不同的长方形，每个里面都铺满了小正方形，数量不同", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "全景，展示三个长方形", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } }, { "storyboard_id": "H04_B02", "duration_sec": 5.0, "shot_goal": "突出小正方形数量", "visual_prompt": "每个长方形里的小正方形依次闪烁，体现面积的大小和小正方形数量有关", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "依次特写每个长方形", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } }, { "storyboard_id": "H04_B03", "duration_sec": 5.0, "shot_goal": "引出公式推导", "visual_prompt": "三个长方形逐渐缩小，移到画面一侧，另一侧留出空白区域", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "全景拉远", "audio": { "need_audio": false, "audio_type": "none", "speaker_role": "", "voice_style": "", "text": "", "sync_required": false, "allow_bgm": false, "allow_sfx": false } } ], "frame_prompt": { "page_type": "知识小结页", "layout": "左文右图，文字在左，视频在右", "prompt": "渲染一个用于面积概念小结的确定性页面。右侧为视频展示区，播放多个长方形面积示意动画；左侧为文字区，顶部显示标题文字「面积小结」，下方第一行显示文字「物体表面的大小就是面积」，第二行显示文字「可以用面积单位来测量」，文字颜色为深紫色，字体为卡通字体，左侧配有简单的装饰图案。", "animation_plan": [ "标题先出现", "两行文字依次淡入" ], "illustration_prompts": [], "style_requirements": [ "卡通风格，色彩柔和", "文字简洁明了", "左右布局平衡" ], "technical_requirements": [ "文字内容准确", "渲染清晰无错误" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "我们知道了物体表面的大小就是面积，可以用面积单位来测量。那长方形的面积怎么算呢？", "sync_required": true, "allow_bgm": true, "allow_sfx": false }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "小结内容准确", "视频与文字呼应", "过渡自然流畅" ] }, { "scene_id": "V05", "section_id": "C", "scene_title": "摆小正方形实验（长3厘米）", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "通过摆小正方形的直观操作，展示长方形长和每行小正方形数量的关系", "scene_function": "公式推导第一步", "content_summary": "小老师用1平方厘米的小正方形摆长方形，先摆一行，展示长3厘米可以摆3个小正方形", "asset_refs": [ "asset_char_01", "asset_prop_square" ], "storyboards": [ { "storyboard_id": "V05_B01", "duration_sec": 5.0, "shot_goal": "展示长方形和小正方形", "visual_prompt": "桌面上放着一个长方形，旁边有一堆红色的小正方形，小老师站在旁边准备操作", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "俯视中景", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "我们用1平方厘米的小正方形，来摆一摆这个长方形。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V05_B02", "duration_sec": 5.0, "shot_goal": "摆第一行小正方形", "visual_prompt": "小老师拿起小正方形，一个一个摆在长方形的长边上，一共摆了3个，整齐排成一行", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "俯视近景，聚焦长方形的长边", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "先沿着长摆一行，长是3厘米，正好摆3个。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V05_B03", "duration_sec": 5.0, "shot_goal": "展示一行的效果", "visual_prompt": "一行3个小正方形整齐地摆在长方形里，小老师用手指着这一行，做出讲解的手势", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "俯视特写，聚焦一行小正方形", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "每行摆3个，说明长的厘米数就是每行的个数。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "小正方形排列整齐", "操作过程清晰", "无多余文字出现" ] }, { "scene_id": "V06", "section_id": "C", "scene_title": "摆小正方形实验（宽2厘米）", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "展示长方形宽和摆的行数的关系，为推导公式做铺垫", "scene_function": "公式推导第二步", "content_summary": "小老师继续摆小正方形，摆了2行，展示宽2厘米可以摆2行", "asset_refs": [ "asset_char_01", "asset_prop_square" ], "storyboards": [ { "storyboard_id": "V06_B01", "duration_sec": 5.0, "shot_goal": "开始摆第二行", "visual_prompt": "小老师在第一行的下面摆第二行小正方形，动作缓慢清晰", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "俯视近景", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "再沿着宽摆，宽是2厘米，我们可以摆2行。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V06_B02", "duration_sec": 5.0, "shot_goal": "摆满整个长方形", "visual_prompt": "第二行的3个小正方形全部摆好，整个长方形被6个小正方形铺满，排列整齐", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "俯视全景，展示整个长方形", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "一共摆了2行，每行3个，正好铺满长方形。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V06_B03", "duration_sec": 5.0, "shot_goal": "数小正方形的总数", "visual_prompt": "小正方形一个个闪烁计数，一共6个，小老师做出数数的手势", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "俯视特写，跟随闪烁的小正方形移动", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "我们数一数，一共有6个小正方形，面积就是6平方厘米。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "小正方形排列均匀整齐", "计数过程清晰", "无多余文字出现" ] }, { "scene_id": "V07", "section_id": "C", "scene_title": "验证不同大小的长方形", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "通过另一个长方形的摆法验证规律，增强公式推导的可信度", "scene_function": "公式推导验证", "content_summary": "展示长4厘米、宽3厘米的长方形，用小正方形摆满，展示总个数与长和宽的关系", "asset_refs": [ "asset_prop_square" ], "storyboards": [ { "storyboard_id": "V07_B01", "duration_sec": 5.0, "shot_goal": "展示新的长方形", "visual_prompt": "浅蓝色背景上出现一个更大的长方形，旁边有很多红色小正方形", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面全景", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "再换一个长方形试试，长4厘米，宽3厘米。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V07_B02", "duration_sec": 5.0, "shot_goal": "快速摆满小正方形", "visual_prompt": "小正方形快速整齐地摆满整个长方形，每行4个，一共3行，排列规整", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面中景，动画展示摆满过程", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "每行摆4个，摆3行，一共是12个小正方形。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V07_B03", "duration_sec": 5.0, "shot_goal": "展示总个数", "visual_prompt": "整个长方形里的小正方形全部亮起，整体呈现出3行4列的整齐排列", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面特写，展示完整的排列", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "它的面积就是12平方厘米，正好是长乘宽的结果。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "小正方形排列整齐规范", "摆满过程流畅", "无多余文字出现" ] }, { "scene_id": "V08", "section_id": "C", "scene_title": "推导长方形面积公式", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "通过直观演示引导学生得出长方形面积公式", "scene_function": "公式推导总结", "content_summary": "长方形的长、宽和小正方形的数量对应变化，展示长×宽等于面积的规律", "asset_refs": [ "asset_prop_square" ], "storyboards": [ { "storyboard_id": "V08_B01", "duration_sec": 5.0, "shot_goal": "展示长和每行个数的对应", "visual_prompt": "长方形的长边旁边出现对应数量的小正方形示意，体现长的厘米数等于每行个数", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "特写长边部分", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "我们发现，长是几，每行就能摆几个小正方形。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V08_B02", "duration_sec": 5.0, "shot_goal": "展示宽和行数的对应", "visual_prompt": "长方形的宽边旁边出现对应行数的示意，体现宽的厘米数等于行数", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "特写宽边部分", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "宽是几，就能摆几行。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V08_B03", "duration_sec": 5.0, "shot_goal": "展示总数的计算关系", "visual_prompt": "整个长方形里的小正方形整体闪烁，体现总个数等于每行个数乘行数", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "全景展示整个长方形", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "总个数就是每行个数乘行数，也就是长乘宽。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "逻辑演示清晰直观", "动画流畅自然", "无多余文字出现" ] }, { "scene_id": "V09", "section_id": "C", "scene_title": "公式动画演示", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "通过动态的长、宽变化展示面积的变化，强化公式理解", "scene_function": "公式强化理解", "content_summary": "长方形的长和宽动态变化，面积也随之变化，直观展示长×宽=面积的关系", "asset_refs": [ "asset_prop_square" ], "storyboards": [ { "storyboard_id": "V09_B01", "duration_sec": 5.0, "shot_goal": "长增加，面积变大", "visual_prompt": "黄色长方形的长逐渐变长，宽不变，长方形的面积随之变大，形状保持长方形", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面中景，聚焦长方形变化", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "宽不变，长变长，面积就会变大。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V09_B02", "duration_sec": 5.0, "shot_goal": "宽增加，面积变大", "visual_prompt": "长方形的宽逐渐变长，长不变，长方形的面积随之变大", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面中景，聚焦长方形变化", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "长不变，宽变长，面积也会变大。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V09_B03", "duration_sec": 5.0, "shot_goal": "长和宽同时变化", "visual_prompt": "长方形的长和宽同时变化，面积也跟着相应变化，画面流畅自然", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "正面全景", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "长和宽都变，面积也会跟着变，它们的关系就是长乘宽。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "长方形变形自然", "面积变化直观", "无多余文字出现" ] }, { "scene_id": "V10", "section_id": "C", "scene_title": "字母公式引入", "generation_type": "video", "duration_sec": 15.0, "scene_goal": "为字母公式的呈现做视觉铺垫，自然过渡到公式展示", "scene_function": "公式呈现铺垫", "content_summary": "长方形旁边出现代表长和宽的字母符号示意，以图形化方式呈现", "asset_refs": [ "asset_prop_square" ], "storyboards": [ { "storyboard_id": "V10_B01", "duration_sec": 5.0, "shot_goal": "长的旁边出现字母a的图形示意", "visual_prompt": "长方形的长边旁边出现一个可爱的卡通字母造型，代表长，造型圆润活泼", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "近景，聚焦长边和字母造型", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "我们通常用字母a表示长方形的长。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V10_B02", "duration_sec": 5.0, "shot_goal": "宽的旁边出现字母b的图形示意", "visual_prompt": "长方形的宽边旁边出现另一个卡通字母造型，代表宽，颜色和a不同", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "近景，聚焦宽边和字母造型", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "用字母b表示长方形的宽。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } }, { "storyboard_id": "V10_B03", "duration_sec": 5.0, "shot_goal": "面积的字母示意", "visual_prompt": "长方形的中间出现一个代表面积的字母造型，整体画面和谐活泼", "negative_prompt": "不要文字、不要字幕、不要水印、不要UI文本", "camera": "中景，展示整个长方形和字母造型", "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "用S表示长方形的面积，这样就有了字母公式。", "sync_required": true, "allow_bgm": true, "allow_sfx": true } } ], "frame_prompt": {}, "audio": {}, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "字母造型可爱活泼", "位置对应准确", "无多余文字出现" ] }, { "scene_id": "F01", "section_id": "D", "scene_title": "长方形面积公式呈现", "generation_type": "frame", "duration_sec": 15.0, "scene_goal": "准确呈现长方形面积的文字公式和字母公式，强化学生记忆", "scene_function": "公式呈现", "content_summary": "页面展示长方形面积的计算公式，包括文字表述和字母表示，清晰准确", "asset_refs": [], "storyboards": [], "frame_prompt": { "page_type": "公式展示页", "layout": "居中布局，标题在上，公式在中间", "prompt": "渲染一个用于展示长方形面积公式的确定性页面。顶部居中显示标题文字「长方形面积公式」，标题下方第一行显示文字公式「长方形面积 = 长 × 宽」，第二行显示字母公式「S = a × b」，文字下方标注小字「a表示长，b表示宽，S表示面积」，整体背景为浅蓝色渐变，文字颜色为深蓝色，字体为圆润的卡通字体，公式部分字号较大，清晰醒目。", "animation_plan": [ "标题从上方滑入", "文字公式淡入出现", "字母公式弹跳出现" ], "illustration_prompts": [], "style_requirements": [ "卡通风格，色彩明亮", "公式清晰醒目", "排版整齐对称" ], "technical_requirements": [ "公式符号渲染准确", "无错别字", "文字清晰易读" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "清晰有力，语速适中", "text": "所以长方形的面积等于长乘宽，用字母表示就是S等于a乘b。", "sync_required": true, "allow_bgm": true, "allow_sfx": false }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "公式内容准确无误", "符号渲染正确", "排版清晰美观" ] }, { "scene_id": "F02", "section_id": "D", "scene_title": "生活实例：课桌面积", "generation_type": "frame", "duration_sec": 15.0, "scene_goal": "通过计算课桌面积的实例，让学生学会运用面积公式解决实际问题", "scene_function": "实例应用1", "content_summary": "展示课桌面积的计算题目，包含示意图、已知条件和解题过程，清晰明了", "asset_refs": [ "asset_illu_desk" ], "storyboards": [], "frame_prompt": { "page_type": "例题讲解页", "layout": "左右布局，示意图在左，题目和解答在右", "prompt": "渲染一个用于讲解课桌面积计算的确定性页面。左侧放置课桌俯视示意图，右侧上方显示题目文字「例1：一张课桌的桌面是长方形，长12分米，宽6分米。它的面积是多少平方分米？」，题目下方显示解题过程：第一行「长方形面积 = 长 × 宽」，第二行「12 × 6 = 72（平方分米）」，第三行「答：它的面积是72平方分米。」，整体背景为浅米色，文字颜色为深棕色，字体为卡通字体，解题过程步骤清晰。", "animation_plan": [ "题目先出现", "示意图淡入", "解题步骤依次出现" ], "illustration_prompts": [ { "image_id": "asset_illu_desk", "purpose": "展示课桌的形状，辅助学生理解题目", "placement": "页面左侧区域", "prompt": "卡通风格的长方形课桌俯视图，木质纹理，颜色为浅棕色，形状规整", "negative_prompt": "不要文字、不要水印、不要人物" } ], "style_requirements": [ "卡通风格，贴近生活", "解题步骤清晰", "图文对应" ], "technical_requirements": [ "数字和单位准确", "解题过程规范", "文字无错误" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "我们来算一算课桌的面积，长12分米，宽6分米，用长乘宽，12乘6等于72平方分米。", "sync_required": true, "allow_bgm": true, "allow_sfx": false }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "题目内容准确", "解题过程规范", "图文对应合理" ] }, { "scene_id": "F03", "section_id": "D", "scene_title": "生活实例：书本封面面积", "generation_type": "frame", "duration_sec": 15.0, "scene_goal": "通过计算书本封面面积的实例，进一步巩固公式的应用", "scene_function": "实例应用2", "content_summary": "展示书本封面面积的计算题目，包含示意图和解题过程，强化公式运用", "asset_refs": [ "asset_illu_book" ], "storyboards": [], "frame_prompt": { "page_type": "例题讲解页", "layout": "左右布局，示意图在左，题目和解答在右", "prompt": "渲染一个用于讲解书本封面面积计算的确定性页面。左侧放置书本封面示意图，右侧上方显示题目文字「例2：一本书的封面是长方形，长20厘米，宽15厘米。它的面积是多少平方厘米？」，题目下方显示解题过程：第一行「20 × 15 = 300（平方厘米）」，第二行「答：它的面积是300平方厘米。」，整体背景为浅绿色，文字颜色为深绿色，字体为卡通字体，排版整齐。", "animation_plan": [ "题目淡入", "书本图出现", "解题过程逐行显示" ], "illustration_prompts": [ { "image_id": "asset_illu_book", "purpose": "展示书本封面的形状，辅助学生理解题目", "placement": "页面左侧区域", "prompt": "卡通风格的长方形书本封面，蓝色封皮，边角圆润，摆放整齐", "negative_prompt": "不要文字、不要水印、不要人物" } ], "style_requirements": [ "卡通风格，清新活泼", "解题过程清晰", "图文搭配协调" ], "technical_requirements": [ "计算结果准确", "单位正确", "文字无错误" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "再算算书本封面的面积，长20厘米，宽15厘米，20乘15等于300平方厘米。", "sync_required": true, "allow_bgm": true, "allow_sfx": false }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "题目内容准确", "计算结果正确", "图文对应合理" ] }, { "scene_id": "F04", "section_id": "D", "scene_title": "小练习：判断对错", "generation_type": "frame", "duration_sec": 15.0, "scene_goal": "通过小练习检验学生的学习效果，强化对公式的理解", "scene_function": "互动练习", "content_summary": "展示两道判断对错的练习题，引导学生思考，巩固知识点", "asset_refs": [ "asset_icon_star" ], "storyboards": [], "frame_prompt": { "page_type": "练习互动页", "layout": "上下布局，标题在上，题目在中间", "prompt": "渲染一个用于长方形面积练习的确定性页面。顶部居中显示标题文字「小练习：判断对错」，标题下方依次显示两道题目：第一题「1. 长方形的面积=长+宽。（ ）」，第二题「2. 长5厘米，宽2厘米的长方形，面积是10平方厘米。（ ）」，每道题后面有一个括号，页面角落装饰有星星图标，整体背景为浅粉色，文字颜色为深紫色，字体为卡通字体。", "animation_plan": [ "标题弹跳出现", "两道题依次淡入", "星星图标闪烁" ], "illustration_prompts": [ { "image_id": "asset_icon_star", "purpose": "装饰页面，增加活泼感", "placement": "页面右上角和左下角", "prompt": "卡通风格的黄色五角星，边缘圆润，有轻微高光，造型可爱", "negative_prompt": "不要文字、不要水印" } ], "style_requirements": [ "卡通风格，活泼有趣", "题目清晰易读", "排版整齐" ], "technical_requirements": [ "题目表述准确", "文字无错别字" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "活泼有感染力，语速适中", "text": "我们来做个小练习，判断这两句话对不对，开动小脑筋想一想哦。", "sync_required": true, "allow_bgm": true, "allow_sfx": true }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "练习题表述准确", "页面风格活泼", "装饰元素协调" ] }, { "scene_id": "F05", "section_id": "E", "scene_title": "课程知识总结", "generation_type": "frame", "duration_sec": 15.0, "scene_goal": "梳理本节课的重点知识，帮助学生系统记忆", "scene_function": "课程总结", "content_summary": "页面展示本节课的三个核心知识点，条理清晰，强化学生记忆", "asset_refs": [ "asset_icon_star" ], "storyboards": [], "frame_prompt": { "page_type": "课程总结页", "layout": "居中布局，标题在上，知识点列表在中间", "prompt": "渲染一个用于长方形面积课程总结的确定性页面。顶部居中显示标题文字「本节课总结」，标题下方依次列出三个知识点：1. 长方形的面积是指长方形所占平面的大小；2. 长方形面积=长×宽，字母表示：S=a×b；3. 可以用面积公式解决生活中的实际问题。每个知识点前有一个小星星图标，整体背景为浅蓝色渐变，文字颜色为深蓝色，字体为卡通字体，排版整齐，层次清晰。", "animation_plan": [ "标题从上方出现", "每个知识点依次淡入", "星星图标依次亮起" ], "illustration_prompts": [ { "image_id": "asset_icon_star", "purpose": "作为知识点前的标记图标，增加美观性", "placement": "每个知识点文字的左侧", "prompt": "卡通风格的黄色五角星，边缘圆润，有轻微高光，造型可爱", "negative_prompt": "不要文字、不要水印" } ], "style_requirements": [ "卡通风格，清晰明了", "知识点层次分明", "整体美观整洁" ], "technical_requirements": [ "知识点表述准确", "文字无错误", "符号渲染正确" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切清晰，语速适中", "text": "今天我们学习了长方形的面积，知道了面积的含义，掌握了面积公式，还会解决生活中的问题啦。", "sync_required": true, "allow_bgm": true, "allow_sfx": false }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "总结内容全面准确", "层次清晰", "页面美观整洁" ] }, { "scene_id": "F06", "section_id": "E", "scene_title": "课程结束页", "generation_type": "frame", "duration_sec": 15.0, "scene_goal": "结束课程，鼓励学生课后练习，留下愉快的学习印象", "scene_function": "课程结尾", "content_summary": "页面展示结束标语和鼓励的话语，风格活泼温馨", "asset_refs": [ "asset_icon_star" ], "storyboards": [], "frame_prompt": { "page_type": "课程结束页", "layout": "居中布局", "prompt": "渲染一个用于长方形面积课程结束的确定性页面。页面中间显示大字「同学们再见！」，下方显示小字「记得找一找生活中的长方形，算算它们的面积哦」，页面周围装饰有星星和小花图案，整体背景为暖黄色渐变，文字颜色为橙红色，字体为可爱的卡通字体，氛围温馨活泼。", "animation_plan": [ "文字弹跳出现", "装饰图案依次闪烁" ], "illustration_prompts": [ { "image_id": "asset_icon_star", "purpose": "装饰页面，营造活泼温馨的结束氛围", "placement": "页面四周", "prompt": "卡通风格的黄色五角星，边缘圆润，有轻微高光，造型可爱", "negative_prompt": "不要文字、不要水印" } ], "style_requirements": [ "卡通风格，温馨活泼", "文字醒目友好", "氛围轻松愉快" ], "technical_requirements": [ "文字内容准确", "渲染清晰美观" ] }, "audio": { "need_audio": true, "audio_type": "narration", "speaker_role": "小学女老师", "voice_style": "亲切温柔，语速适中", "text": "今天的课就到这里啦，小朋友们再见，记得在生活中运用今天的知识哦。", "sync_required": true, "allow_bgm": true, "allow_sfx": true }, "transition": { "type": "soft_fade", "duration_sec": 0.5 }, "technical_constraints": {}, "quality_checks": [ "结束氛围温馨", "文字清晰友好", "整体风格统一" ] } ], "assembly_plan": { "scene_order": [ "V01", "V02", "V03", "V04", "H01", "H02", "H03", "H04", "V05", "V06", "V07", "V08", "V09", "V10", "F01", "F02", "F03", "F04", "F05", "F06" ], "default_transition": "soft_fade", "transition_duration_sec": 0.5, "audio_normalization": true, "background_music_policy": "全程搭配轻松活泼的儿童背景音乐，音量低于讲解声音，不同环节音乐节奏略有变化，导入和练习环节稍活泼，讲解环节稍平缓", "metadata": {} }, "metadata": { "planning_domain": "education", "scenario_type": "知识点讲解", "domain_assumptions": [ "学生已掌握长方形的基本特征和乘法计算", "学生对生活中的长方形物品有基本认知" ], "domain_constraints": { "符合小学三年级数学教学大纲": true, "内容难度适合8-9岁学生认知水平": true, "避免复杂术语和抽象表述": true }, "notes": [ "课程总时长约300秒，符合要求", "视频、混合、帧场景比例合理，符合教学规律", "包含互动和练习环节，增强学生参与感", "整体风格统一为卡通活泼风格，适合目标受众" ] } }