Audio 预览(1)
<div style="PADDING-RIGHT: 0px; MARGIN-TOP: 10px; FONT-SIZE: 9pt; WIDTH: 97%; WORD-BREAK: break-all; TEXT-INDENT: 24px; LINE-HEIGHT: normal; WORD-WRAP: break-word;"><p>audio 第一部分</p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="FONT-SIZE: 14pt;"><font face="Times New Roman">XNA <p></p></font></span></b></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>Audio </font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">预览</span><span lang="EN-US"><p></p></span></b></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman">XNA </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">框架所提供的音频回放功能由微软交叉平台音频制作工具与它的音频引擎来实现。</span><span lang="EN-US"><font face="Times New Roman">
</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US"><font face="Times New Roman">XACT </font></span></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">介绍</span><span lang="EN-US">
<p></p></span></b></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">微软交叉平台作工具也就是</span><span lang="EN-US"><font face="Times New Roman">XACT,</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">它的核心就是</span><span lang="EN-US"><font face="Times New Roman"> XNA </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">框架</span><span lang="EN-US"><font face="Times New Roman"> Audio API</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">。</span><span lang="EN-US"><font face="Times New Roman">XACT </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">是</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">集成的可视化音频编辑工具，它的</span><span lang="EN-US"><font face="Times New Roman">API </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">提供为响应游戏事件回放创作好的</span><span lang="EN-US"><font face="Times New Roman">XACT </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">文件。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p><font face="Times New Roman"> </font></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">快速开始</span><span lang="EN-US">
<p></p></span></b></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';"> </span></b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">并不是所有的游戏都会用到ＸＡＣＴ所提供的功能，比如游戏字幕仅仅会使用简单的游戏回放，并不需要ＸＡＣＴ的功能。然而，ＸＮＡ 框架只能解释 ＸＮＡ格式的音频文件，哪怕仅仅是一个简单的音频回放功能，也必须使用ＸＮＡ．如果想了解如何建立包含ｗａｖｅ格式ＸＡＣＴ 项目，可以阅读 </span><span lang="EN-US"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';"><span lang="EN-US"><font color="#b73131">如何在游戏中加入声音</font></span></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">：这一章节中的内容。如果想了解如何在已建立的 ＸＡＣＴ 项目中载入与播放音频文件，可以阅读 </span><span lang="EN-US"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';"><span lang="EN-US"><font color="#b73131">如何回放声音</font></span></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman"> </font></p></span></p><p><font face="Times New Roman"> </font></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">ＸＡＣＴ</span><font face="Times New Roman">
</font></b><b style="mso-bidi-font-weight: normal;"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">提供的功能</span><span lang="EN-US">
<p></p></span></b></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">作为可视化的音频编辑系统，ＸＡＣＴ 提供给音效设计者分组管理ｗａｖｅ 格式的文件，并能把离散的音频文件连接成按游戏事件激发的相关文件，并且通过游戏事件的联系提供响应的转化。</span><span lang="EN-US"><font face="Times New Roman">XACT</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">也给设计者们提供定义能在游戏运行中修改的变量。比如在赛车游戏中，使用这些高级工具，音效设计者甚至可以定义随车速增大或减小的变量，在这种变量的控制下，</span><span lang="EN-US"><font face="Times New Roman">XACT</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">声音引擎会控制声音随车速做出相应得调节。</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes;"> </span>XACT </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">已经被包含在</span><span lang="EN-US"><font face="Times New Roman"> 2006 </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">八月的</span><span lang="EN-US"><font face="Times New Roman"> DirectX SDK</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">中，在使用</span><span lang="EN-US"><font face="Times New Roman">XACT</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">之前必须先从</span><font face="Times New Roman">
</font><span lang="EN-US" style="FONT-SIZE: 8.5pt; COLOR: black; FONT-FAMILY: verdana;"><font color="#b73131">Microsoft DirectX Developer Center</font><span style="mso-spacerun: yes;"> </span></span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: verdana; mso-hansi-font-family: verdana; mso-bidi-font-size: 10.5pt;">下载</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">安装相应的</span><span lang="EN-US"><font face="Times New Roman"> Direct X SDK.</font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><span style="mso-spacerun: yes;"><font face="Times New Roman"> </font></span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">如果想详细了解在</span><span lang="EN-US"><font face="Times New Roman">XACT </font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'mso-hansi-font-family:';">工具下开发音频的使用，可以从</span><span lang="EN-US" style="FONT-SIZE: 8.5pt; COLOR: black; FONT-FAMILY: verdana;"><font color="#b73131">XACT Audio Authoring</font>
</span><span style="COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: verdana; mso-hansi-font-family: verdana; mso-bidi-font-size: 10.5pt;">中获得</span></p></div>
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