The Verge - Artificial Intelligences 04月02日 21:13
Adobe launches Premiere Pro’s generative AI video extender
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Adobe 发布 Premiere Pro 25.2 版本,引入了多项由 AI 驱动的新功能,旨在提升视频编辑效率和质量。新版本推出了 Generative Extend 功能,允许用户扩展视频片段,提供更灵活的转场和修正选项,并支持 4K 质量输出。此外,Search 面板利用 AI 识别视频内容,支持文本搜索;Premiere Color Management 简化了色彩管理流程;AI 自动翻译字幕功能支持 27 种语言。新版本还增强了性能,并与 After Effects 25.2 同步发布,后者带来了 HDR 监控、动画控制等新特性。

🎬 Generative Extend 功能是本次更新的亮点,它基于 Firefly 生成式 AI 模型,允许用户将视频片段延长最多 2 秒。该功能支持 4K 分辨率,并能扩展环境背景音频,最长可达 10 秒,但目前不适用于语音或音乐的扩展。

🔍 新的 AI 驱动的搜索面板能够自动识别视频库中的内容,用户可以使用文本描述搜索素材,例如查找“厨房里手的特写镜头”。这极大地提高了素材查找的效率。

🎨 Premiere Color Management 简化了色彩管理流程,能将 log 和 raw 文件直接转换为 SDR 或 HDR 格式,无需查找表,方便用户直接进行编辑。此外,新版本还引入了新的广色域色彩流程。

🗣️ Premiere Pro 现在可以使用 AI 自动将视频字幕翻译成 27 种不同的语言,用户可以在编辑过程中同时显示多个字幕轨道。这极大地扩展了视频内容的传播范围。

Adobe is updating Premiere Pro with AI-powered features that aim to provide creatives with faster and better video editing results. Version 25.2 of Premiere Pro is launching today, bringing tools for locating, translating, and extending video footage out of beta and into general availability for every user.

The most notable is Generative Extend, which Adobe announced in October as one of the first tools powered by its Firefly generative AI video model. The feature allows users to extend clips by up to two seconds, providing more options for transitions or correcting unexpected movements without having to reshoot footage. Generative Extend can now generate clips in 4K quality and will extend ambient background audio — up to ten seconds for audio alone, or two when paired with video extension — though this won’t extend speech or music.

Generative Extend is completely free to use for a “limited time,” according to Adobe, after which the feature will require users to spend Firefly generative credits. Creative Cloud subscriptions provide a monthly allocation of credits ranging between 25 to 1,000 credits depending on the plan. An additional Firefly credit subscription is also available starting from $10, which grants 2,000 credits per month. Adobe has not specified how many credits the Generative Extend feature will eventually consume, but says that “price will vary based on the format, frame rate, and resolution of your video.”

The latest version of Premiere Pro also includes the new AI-powered Search panel that automatically recognizes the content of clips within your video library. This enables users to search for footage using text descriptions that include objects, locations, camera angles, and effects, such as looking for “close-ups of hands working in a kitchen.” Another feature, Premiere Color Management, automatically transforms log and raw files directly to SDR or HDR without lookup tables to make it easier to jump right into editing, alongside a new wide-gamut color pipeline.

Premiere Pro can now also use AI to automatically translate video captions into 27 different languages, with users able to display multiple caption tracks simultaneously during editing. Adobe also says that the Premiere Pro update provides better speed and performance across both Apple silicon and Windows devices.

The latest version of Premiere Pro is launching alongside After Effects 25.2, which provides new HDR monitoring capabilities, animation controls, support for 3D FBX models, and animated environmental light effects. A new High Performance Preview Playback feature also makes it easier to preview longer compositions thanks to a new caching system that utilizes both RAM and local disks, rather than RAM alone.

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