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Show HN: HN Audio to video AI generator
免费在线工具，上传音频即可生成带AI字幕、口型同步或多场景的AI视频，支持多语言与高清导出，无需登录无广告。
Turn audio into stunning AI videos in minutes. Upload MP3 or WAV files and generate lip sync videos, scene videos, or audio visualizer videos with AI …