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audio-visualizer

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音频可视化视频：把纯音频（播客片段、音乐、口播金句、电台）渲染成带动态波形/频谱的视频，配封面和标题，好发到抖音/B站/视频号等只收视频的平台。当用户说 音频可视化、音频转视频、播客做成视频、音频波形视频、音乐可视化、给音频配画面、声波视频、频谱视频、把音频发到视频平台、电台切片视频 时使用。基于 shared/scripts/audio_viz.py（ffmpeg showwaves/showcqt/showspectrum）。与 audio-mix 区别：那个输出音频，本 SKILL 输出视频；与 slideshow-video 区别：那个用图片，本 SKILL 用音频驱动画面。

skills/builtin/audio-visualizer/SKILL.md

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# 音频可视化视频

> 把音频渲染成带动态波形/频谱的视频，配封面+标题，让纯音频能发到视频平台。全部走
> `skills/shared/scripts/audio_viz.py`，**不要手拼 showwaves/showcqt 滤镜**。

> 输出音频（混音）见 **audio-mix**；用图片做视频见 **slideshow-video**；
> 给已有视频加字幕见 **auto-subtitle**。

## 输入

| 字段 | 必填 | 说明 |
|------|------|------|
| 音频文件 | 是 | 播客/音乐/口播片段（没给就问） |
| 画幅 | 是 | 用户或上游任务未明确横版/竖版（或具体分辨率）时，制作前必须追问并等确认；不得按平台、Profile 或默认值静默推断，已明确则不重复问 |