京東はJDD大会でJoyAI-Echoの2つの進展を発表。音声動画生成モデルを1.5に更新し、10分超の連続生成が可能に。インタラクティブな視聴覚世界モデルEchoWMをオープンソース化し、生成と操作を融合。AIコンテンツは「見る」から「入る・探索する」へ。長尺動画は音声動画Memory Bank構造でマルチショット生成に対応。....
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