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generate-narration-audio

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为说书模式剧本逐段生成旁白配音（TTS）。当用户说"生成旁白"、"配音"、"生成全集旁白"、想重新生成某段配音、或批量配音中断需要补齐时使用。

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How to use this skill

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Source SKILL.md: https://github.com/ArcReel/ArcReel/blob/HEAD/agent_runtime_profile/.claude/skills/generate-narration-audio/SKILL.md

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生成旁白配音

为说书（narration）模式剧本的每个片段，以该段 novel_text 原文合成一段旁白音频， 写回该段 generated_assets.narration_audio（输出 audio/segment_{segment_id}.wav）。 只依赖剧本，不依赖分镜图/视频——剧本生成后即可推进。

工具调用

重要：生成旁白配音必须调用下列 MCP 工具入队。此 skill 不提供任何 Python/Shell 脚本，不得用 BASH 调 python .../scripts/*.py。

通过 MCP 工具入队：

操作工具
全集补齐（默认，所有缺音频的段）mcp__arcreel__generate_narration_audio({"script": "episode_1.json"})
指定批量范围mcp__arcreel__generate_narration_audio({"script": "episode_1.json", "segment_ids": ["E1S01", "E1S02"]})
单段重生mcp__arcreel__generate_narration_audio({"script": "episode_1.json", "segment_ids": ["E1S05"]})

选择规则：不传 segment_ids 则只为缺 narration_audio 的段入队；显式传入的段即使已有音频也会重新合成（用于换音色/语速后重生）。

依赖：generation worker 必须在线（audio 独立通道）；audio 供应商、模型与全局默认音色/语速由用户在 Web 设置页配置。

项目级音色/语速覆盖：用户要求"这个项目旁白用 X 音色 / 语速 1.2"时，调 mcp__arcreel__patch_project({"settings": {"narration_voice": "X", "narration_speed": 1.2}}) 写项目级覆盖（优先于全局设置，只影响当前项目；传 null 清除回退全局）。改完后对已生成的段重新合成才会生效。

工作流程

  1. 状态检测 — 读取剧本，检查各段 generated_assets.narration_audio，统计缺失段并告知用户
  2. 入队生成 — 调用 MCP 工具，任务经生成队列由 worker 处理，工具等待全部完成后返回逐段结果
  3. 汇报 — 汇总成功/失败明细展示给用户

断点续传

中断（服务重启、任务失败、会话断开）后重新调用不传 segment_ids 的全集补齐即可： 已有音频的段自动跳过，只补缺失段，不重复扣费。

错误处理

  • 单段失败不影响批次，工具返回逐段结果
  • 失败段用 segment_ids 精确重试
  • 工具提示未配置 audio 供应商时，引导用户到 Web 设置页配置后重试