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<p><font size="-1">Microsoft Speech SDK 5.1</font></p>
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<h1>Release notes</h1>
<p>7/31/2001</p>
<h2>Introduction</h2>
<p>Welcome to the Microsoft® Speech SDK 5.1 (Speech SDK 5.1). This file describes system requirements, installation notes, and known issues. This SDK provides the tools, information, and samples you need to incorporate speech technologies into your Windows® applications.</p>
<p>Before installing Speech SDK 5.1, read through this document to become familiar with installation and performance issues. This file accompanies Speech SDK 5.1 and is released under the License Agreement on the license.chm file on the CD or install point.</p>
<p>The following topics are available:</p>
<UL>
<LI><a href="#System_Requirements">System Requirements</a></LI>
<LI><a href="#Installation_Notes">Installation Notes</a></LI>
<LI><a href="#Known_Issues">Known Issues</a></LI>
<LI><a href="#Miscellaneous_Issues">Miscellaneous Issues</a></LI>
</UL>
<h2><a name="System_Requirements">System Requirements</a></h2>
<h3>Operating Systems</h3>
<p>Supported operating systems are:</p>
<ul>
<li>Windows XP Professional or Home Edition; all language versions.</li>
<li>Microsoft Windows 2000 all versions; all language versions.</li>
<li>Microsoft Windows Millennium Edition; all language versions.</li>
<li>Microsoft Windows 98 all versions; all language versions.</li>
<li>Microsoft Windows NT 4.0 Workstation or Server, Service Pack 6a, English, Japanese, or Simplified Chinese versions.</li>
<li>Windows 95 or earlier is not supported.</li>
</ul>
<h3>Software Requirements</h3>
<ul>
<li>Microsoft Internet Explorer ® 5.0 or later version. Users of Windows NT 4.0 require Microsoft Internet Explorer 5.5 or later. Download the latest version of <a href="http://go.microsoft.com/fwlink/?LinkId=361&clcid=0x409">Microsoft Internet Explorer</a>.</li>
<li>Microsoft Visual C++ ® 6.0, Service Pack 3 or later version is needed to run the SAPI 5 SDK samples. In general, any 32-bit C compiler will work for writing SAPI applications.</li>
<li>Microsoft Visual Basic ® 6.0 is needed to write applications incorporating SAPI automation, or for compiling the Visual Basic sample code. Since SAPI supports COM automation, other languages and compilers may be used with SAPI automation provided it supports OLE automation. Microsoft Visual Studio ® 7, also called Visual Studio.NET, is needed to compile the C# examples.</li>
<li>The Platform SDK is generally not needed although some samples and functionality may require it. See the specific samples for confirmation. If required, the Platform SDK may be downloaded from the <a href="http://go.microsoft.com/fwlink/?LinkId=633">Microsoft Platform SDK</a> site.</li>
</ul>
<h3>Hardware Requirements</h3>
<ul>
<li>A Pentium II\Pentium II-equivalent or later processor at 233 MHz with 128 megabytes (MB) of RAM is recommended.</li>
<li>A microphone or some other sound input device to receive the sound is required for speech recognition (SR). In general, the microphone should be a high quality device with noise filters built in. The speech recognition rate is directly related to the quality of the input. The recognition rate will be significantly lower or perhaps even unacceptable with a poor microphone.</li>
<li>Not all sound cards or sound devices are supported by SAPI 5, even if the operating system supports them otherwise.</li>
<li>The following table outlines the RAM usage:</li>
</ul>
<TABLE CELLSPACING=4 COLS=3>
<TR VALIGN=TOP>
<TH ALIGN=LEFT WIDTH=20%>Component</TH>
<TH ALIGN=LEFT WIDTH=40%>Minimum RAM</TH>
<TH ALIGN=LEFT WIDTH=40%>Recommended RAM</TH>
</TR>
<TR VALIGN=TOP>
<TD width="20%">Text-to-speech (TTS) Engine</TD>
<TD width="80%">14.5 MB</TD>
<TD width="80%">32 MB</TD>
</TR>
<TR VALIGN=TOP>
<TD>SR Command and control</TD>
<TD>16 MB</TD>
<TD width="80%">32 MB</TD>
</TR>
<TR VALIGN=TOP>
<TD>SR Dictation</TD>
<TD>25.5 MB</TD>
<TD width="80%">128 MB</TD>
</TR>
<TR VALIGN=TOP>
<TD>SR Both</TD>
<TD>26.5 MB</TD>
<TD width="80%">128 MB</TD>
</TR>
</TABLE>
<ul>
<li>The following table outlines the disk usage:</li>
</ul>
<TABLE CELLSPACING=4 COLS=3>
<TR VALIGN=TOP>
<TH ALIGN=LEFT WIDTH=33%>File Name</TH>
<TH ALIGN=LEFT WIDTH=33%>Approximate File Size</TH>
<TH ALIGN=LEFT WIDTH=33%>Setup Merge Names</TH>
</TR>
<TR VALIGN=TOP>
<TD>Sapi.dll and Sapisvr.exe</TD>
<TD>0.5 MB</TD>
<TD>Sp5.msm</TD>
</TR>
<TR VALIGN=TOP>
<TD>Sapi.cpl</TD>
<TD>36 KB</TD>
<TD>Sp5Intl.msm</TD>
</TR>
<TR VALIGN=TOP>
<TD>SR Engine</TD>
<TD>1.7 MB</TD>
<TD>Sp5Sr.msm</TD>
</TR>
<TR VALIGN=TOP>
<TD>Dication, and command and control data files</TD>
<TD>13.4 MB</TD>
<TD>Sp5CCInt.msm</TD>
</TR>
<TR VALIGN=TOP>
<TD>TTS Engine and voices</TD>
<TD>7.8 MB</TD>
<TD>Sp5TTInt.msm</TD>
</TR>
<TR VALIGN=TOP>
<TD>Files common to both Microsoft SAPI 5.1 TTS and SR.</TD>
<TD>92 KB</TD>
<TD>SpCommon.Msm</TD>
</TR>
<TR VALIGN=TOP>
<TD>Language-specific SAPI 5.1 inverse text normalization (ITN) components.</TD>
<TD>108 KB</TD>
<TD>Sp5itn.Msm</TD>
</TR>
</TABLE>
<h2><a name="Installation_Notes">Installation Notes</a></h2>
<p>You must have administrator privileges on the computer to install the Speech SDK 5.1 properly.</p>
<P>SAPI and the Speech SDK 5.1 are installed by Windows Installer. If Windows Installer has not previously been used on the computer, it may require a reboot before beginning the SDK installation process. On some versions of Windows, the SDK installation process will not automatically resume after this reboot, and the user must run setup again.</P>
<H3>SAPI 4.0</H3>
<p>SAPI 5.1 can coexist on your computer with SAPI 4.0. However, applications using different versions may not be compatible and should not be run simultaneously. Usually, contention for system resources will prevent this from happening.</p>
<H3>SAPI 5.0</H3>
<P>Because SAPI 5.1 is a superset of SAPI 5.0, the two versions can coexist on the same machine. But if both SAPI 5.0 and SAPI 5.1 are installed on the same machine, uninstalling either version could damage the other installation and require it to be reinstalled. For this reason, we recommend that you uninstall SAPI 5.0 before installing SAPI 5.1.<P>
<P>When English Office XP and SAPI 5.1 reside on a computer with a non-English version of Windows, removing SAPI 5 or an application which removes SAPI 5 could cause Office Speech to fail. If this occurs, use Office's "Detect and Repair" program.</P>
<p>None of the SAPI 5.1 components or compliance tests were tested with power-managed (OnNow) computers. As long as the system determines that there is application activity, it will not put the system or any devices into the sleeping state. However, if you encounter unexpected performance issues while using power management, OnNow should be disabled.</p>
<p>Occasionally, it can be difficult to uninstall a previous release of the Microsoft Speech SDK 5.0. Subsequently, install the Speech SDK 5.1. Here are two options:
<blockquote>
<p>(i) Run the application Regedit.exe. Delete all entries under HKEY_CURRENT_USER\Software\Microsoft\Speech\RecoProfiles\Tokens. Deleting the contents of this registry key removes the speech recognition profiles. Next, install the Speech SDK 5.1.</p>
<p>(ii) If your problem continues, delete the HKEY_CURRENT_USER\Software\Microsoft\Speech and the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Speech keys. Then try installing the Speech SDK 5.1 .</p>
</blockquote>
<H3>64-bit</H3>
<P>
微软公司的语音识别SDK
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