DirectX v9.18.944 April 2007
获得更好的图像显示质量
微软终于正式发布了这款具有多项令人兴奋功能特征的DirectX 9.0！新的DirectX使你获得更好的图像显示质量，使多人游戏具可伸缩性，以及包括更棒的音频效果。它强化了针对DirectDraw和Direct3D的接口，简化了应用扩展，提升性能；改善了图形创作工具，更易于做出最佳的3-D角色和环境；点光源式光影和像素式光影使图象更逼真；强化了DirectSound和DirectMusic，简化了其应用扩展；DLS2音频合成功能提高了乐器音频的真实感； DirectInput的设备影射功能令对设备的支持更简单；DirectPlay使多人游戏的性能和可扩展性得到了提高； DirectPlay提供了IP声音通讯；DirectShow的应用编程接口提供了音频/视频的实时合成和即时编辑； DirectShow支持Windows媒体音频和视频(WMA和WMV)的读写； Microsoft TV技术可以支持数字电视节目。
Microsoft DirectX is a group of technologies designed to make Windows-based PCs an ideal platform for running and displaying applications rich in multimedia elements such as full- color graphics, 3D animation, video and rich audio.
DirectX 9.0 includes security and performance updates, along with many new features across all technologies, which can be accessed by applications using the DirectX 9.0 APIs.
DirectX 9.0 End-User Runtime setup minimizes the download size but requires an internet connection during setup.
The DirectX 9.0 Redist is available for download for those users that do not have an internet connection available during installation or Setup has trouble connecting to the Microsoft server.
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