EPISODE · Apr 7, 2026 · 14 MIN
Lightricks:LTX-2高效高质量长视频与音频生成模型
from 每日AI · host 每日新闻
LTX-2 是一款由 Lightricks 开发的开源多模态基座模型,旨在通过文本指令同步生成高质量的视频与音频内容。该模型采用了创新的非对称双流 Transformer 架构,将 140 亿参数的视频流与 50 亿参数的音频流相结合,通过双向跨模态注意力机制实现了视听元素的精准对齐。为了增强对复杂指令的理解,研究团队引入了多语言文本编码器和独特的“思考令牌”技术,显著提升了语音合成的准确性与情感表达。实验数据表明,LTX-2 在生成速度上大幅领先同类开源模型,且在视觉逼真度与音效连贯性方面可媲美顶级商业系统。目前,该模型的权重与代码已全部公开,为长视频创作与多模态研究提供了高效的基础设施。
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Lightricks:LTX-2高效高质量长视频与音频生成模型
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