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随着科技的不断发展，高清视频已经成为现代生活的重要组成部分。无论是观看电影、电视剧，还是欣赏音乐视频，4K高清视频都能给我们带来身临其境的视听享受。而Windows 11作为微软最新推出的操作系统，不仅在界面设计上进行了全面升级，还在视频播放性能上有了显著提升。本文将为您详细介绍如何在Windows 11上轻松播放4K高清视频。 ### 1. 确保系统支持 首先，我们需要确认您的Windows 11系统是否支持4K高清视频播放。一般来说，Windows 11系统默认支持4K视频播放。但为了确保最佳播放效果，您需要检查以下条件： - 硬件配置：4K视频播放对硬件性能有一定要求，建议您的电脑配备至少Intel Core i5或AMD Ryzen 5处理器，以及4GB以上内存。 - 显卡驱动：确保您的显卡驱动程序为最新版本，以便支持4K视频解码。 ### 2. 选择合适的播放器 在Windows 11上，您有多种播放器可以选择来播放4K高清视频。以下是一些常见的播放器： - Windows Media Player：Windows 11系统自带播放器，支持多种视频格式，包括4K视频。 - PotPlayer：一款功能强大的播放器，支持多种视频格式和字幕，界面简洁，播放效果出色。 - VLC Media Player：开源免费的播放器，支持多种视频格式，包括4K视频，播放效果稳定。 ### 3. 设置播放器参数 在播放4K高清视频之前，您可能需要根据您的硬件配置和播放器特性调整一些播放参数，以获得最佳播放效果： - 视频解码：确保播放器使用硬件解码，这可以降低CPU负担，提高播放流畅度。 - 帧率：4K视频的帧率通常为60fps，您可以根据需要调整播放器的帧率设置。 - 音频设置：确保音频输出设备正常连接，并调整音频播放器参数，以获得最佳音质。 ### 4. 优化系统性能 为了确保4K高清视频播放流畅，您可能需要优化系统性能： - 关闭不必要的后台程序：在播放4K视频时，关闭一些后台程序可以释放CPU和内存资源。 - 硬件加速：确保您的显卡驱动程序支持硬件加速，这可以提高视频解码效率。 - 系统更新：保持Windows 11系统更新到最新版本，以确保系统稳定性和兼容性。 ### 5. 播放4K高清视频 在完成以上步骤后，您就可以开始播放4K高清视频了。选择一款合适的播放器，导入您想要播放的视频文件，调整播放参数，享受4K高清视频带来的震撼视听体验。 总之，在Windows 11上播放4K高清视频是一件简单而又令人愉悦的事情。通过本文的介绍，相信您已经掌握了在Windows 11上播放4K高清视频的方法。快来体验Windows 11带来的全新视听盛宴吧！

TMTPOST --   Chinese telecommunications giant Huawei unveiled a sweeping expansion of its artificial intelligence computing ambitions on Thursday, announcing new supercomputing systems powered by its in-house Ascend chips. The move signals escalating competition with U.S. chipmaker Nvidia, the global leader in AI processors.AI-generated imageAt its annual Huawei Connect conference in Shanghai, the company introduced the forthcoming "Atlas 950 SuperCluster," which it said will begin rolling out as early as next year. The announcement underscores Huawei ’ s determination to challenge U.S. dominance in advanced AI hardware despite Washington ’ s tightening export controls on semiconductors."The competition has undeniably arrived and is gaining momentum," an Nvidia spokesperson said. "Customers will choose the best technology stack for running the world ’ s most popular commercial applications and open-source models."U.S. restrictions have cut China off from the most advanced chips needed to train large-scale AI models, forcing Chinese firms to rely on domestically developed processors or stockpiles of older foreign components. Huawei, long targeted by U.S. sanctions, has turned to large-scale clustering of its less powerful but increasingly refined Ascend processors. By combining vast numbers of these chips in interconnected networks, the company aims to match or surpass the performance of systems built on Nvidia ’ s hardware.Huawei said it plans to release three new versions of its Ascend chips through 2028, pledging to double computing power with each iteration. At the base level, its new Atlas 950 supernode will connect 8,192 Ascend chips. A full Atlas 950 SuperCluster would integrate more than 500,000 chips.A future upgrade, the Atlas 960 system slated for 2027, is projected to support nearly 15,500 chips per node and scale to more than 1 million Ascend processors across a full supercluster. Huawei claimed these would represent the world ’ s most powerful AI systems by raw computing power.Huawei did not shy away from comparisons with its American rival. Eric Xu, the company ’ s vice chairman and rotating chairman, said the Atlas 950 supernode would deliver 6.7 times more computing power than Nvidia ’ s upcoming NVL144 system. He went further, predicting Huawei would "be ahead on all fronts" compared with Nvidia ’ s 2027 offering — and claimed the Atlas 950 SuperCluster would even exceed the computing capacity of Elon Musk ’ s xAI Colossus project.While independent verification of Huawei ’ s claims is limited, industry experts said the company ’ s ambition is clear."Huawei ’ s announcement on its computing breakthrough is well timed with recent increasing emphasis by the Chinese government on self-reliance on China ’ s own chip technologies," said George Chen, partner and co-chair of the digital practice at The Asia Group. While noting that Huawei might be overstating its technical edge, he added, "the ambition to be a world AI leader cannot be underestimated."Research from SemiAnalysis earlier this year found that Huawei ’ s CloudMatrix system outperformed Nvidia ’ s equivalent despite each Ascend processor offering only about one-third the power of an Nvidia chip. The advantage came from scale: Huawei deployed roughly five times as many chips in its clusters."Computing power has and will continue to be the key for AI," Xu emphasized during his keynote speech in Shanghai.Huawei ’ s new announcements build on earlier efforts. Two years ago, it introduced the Atlas 900 SuperCluster, which it still markets with "thousands" of Ascend chips. On Thursday, the company said it had already deployed more than 300 Atlas 900 A3 supernodes to over 20 clients across telecoms, manufacturing, and other sectors.This momentum reflects a broader push within China to substitute foreign technology with homegrown alternatives. Beijing has increasingly pressed domestic firms to use local suppliers and invest in national semiconductor capabilities. Huawei ’ s breakthroughs are likely to be touted as proof of progress in these efforts.Huawei ’ s offensive comes as Nvidia faces growing headwinds in China, once one of its most important markets. Earlier this week, China extended an antitrust probe into the U.S. company over alleged monopolistic practices. On Wednesday, Nvidia ’ s shares fell more than 2% after the Financial Times reported that Beijing had ordered Chinese tech giants to halt testing and purchases of the RTX Pro 6000D, one of Nvidia ’ s new AI-focused chips.Nvidia Chief Executive Jensen Huang expressed frustration over the developments. "I am disappointed to hear this news," he told reporters, while reiterating that Huawei represents a "formidable" competitor.The geopolitical context adds another layer of complexity. The U.S. and China concluded trade talks in Spain this week that reportedly included discussions over the fate of TikTok, the video app owned by Beijing-based ByteDance. But technology co