微软TTS语音引擎（SAPI5.1）详解*COOL！_cerence语音的sdk资源-CSDN文库

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Speech Synthesis & Speech Recognition Using SAPI 5_1.htm 60KB

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">  <HTML><HEAD><TITLE>Speech Synthesis & Speech Recognition Using SAPI 5.1</TITLE> <META content="text/html; charset=windows-1252" http-equiv=Content-Type> <META content="MSHTML 5.00.2614.3500" name=GENERATOR></HEAD> <BODY bgColor=lightblue><A name=Top></A><IMG align=right alt=Athena height=164 src="Speech Synthesis & Speech Recognition Using SAPI 5_1.files/Athena.gif" width=174> <H1> Speech Synthesis & Speech Recognition Using SAPI 5.1</H1> <A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#AboutBrian">Brian Long</A> (<A href="http://www.blong.com/" target=_blank>http://www.blong.com/</A>) <H2>Table of Contents</H2> <UL> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#Introduction">Introduction</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#TTS">Speech Synthesis</A> <UL> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#EnumVoices">Enumerating Voices</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#Speech">Making Your Computer Talk</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#Events">Voice Events</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#Animation">Animating Speech</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#KeepingTrack">Keeping Track Of Spoken Text</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#SpeakingDialogs">Speaking Dialogs</A> </LI></UL> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#SR">Speech Recognition</A> <UL> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#Grammars">Grammars</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#DSR">Continuous Dictation Recognition</A> <UL> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#GramNotify">Grammar Notifications</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#EngineDialogs">Engine Dialogs</A> </LI></UL> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#CnC">Command and Control Recognition</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#Troubleshooting">Speech Recognition Troubleshooting</A> </LI></UL> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#Deployment">SAPI 5.1 Deployment</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#Summary">Summary</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#References">References/Further Reading</A> <LI><A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.htm#AboutBrian">About Brian Long</A> </LI></UL> <A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.zip">Click here</A> to download the files associated with this article. <HR> <H2><A name=Introduction>Introduction</A></H2> This article looks at adding support for speech capabilities to Microsoft Windows applications written in Delphi, using the Microsoft Speech API version 5.1 (SAPI 5.1). For an overview on the subject of speech technology please <A href="http://www.blong.com/Conferences/DCon2002/Speech/Speech.htm">click here</A>. There is also coverage on using SAPI 4 to build speech-enabled applications. Information on using the SAPI 4 high level interfaces can be found by <A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI4HighLevel/SAPI4.htm">clicking here</A>, whilst discussion of the low level interfaces can be found by <A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI4LowLevel/SAPI4.htm">clicking here</A>. SAPI 5.1 exposes most of the important interfaces, types and constants through a registered type library (SAPI 5.0 did not do this, making it difficult to use in Delphi without someone writing the equivalent of the JEDI import unit for SAPI 5). This means that you can access SAPI 5.1 functionality through late bound or early bound Automation. We will focus our attention on early bound Automation, which requires you to import the type library. Choose Project | Import Type Library... and locate the type library described as Microsoft Speech Object Library (Version 5.1) in the list. Now ensure the Generate Component Wrapper checkbox is checked so the type library import unit will include component wrapper classes for each exposed Automation object. These components will go on the ActiveX page of the Component Palette by default, but you may wish to specify a more appropriate page, such as SAPI 5.1. Now press Install... so the type library will be imported and the generated components will be installed onto the Component Palette (pressing Create Unit would also generate the type library import unit, but would require us to install it manually). The generated import unit is called SpeechLib_TLB.pas and will be installed in a package. You can either select the default package offered (the Borland User Components package by default), choose to open a different package or even create a new one. When the package is compiled and installed you will get a whopping set of 19 new components on the SAPI 5.1 page of the Component Palette. Each component is named after the primary interface it implements. So for example, the TSpVoice component implements the SpVoice interface. You can find abundant documentation on all these interfaces in the SAPI 5.1 SDK documentation. Ready made SAPI 5.1 packages containing Automation components for Delphi 5, 6 and 7 can be found in appropriately named subdirectories under SAPI 5.1 in the accompanying files. Note: if you are using Delphi 6 you will encounter a problem that is still present even with Update Pack 2 installed. The type library importer has a bug where the parameters to Automation events are incorrectly dispatched (they are sent in reverse order) meaning that all the Automation events operate incorrectly (if at all). You can avoid this by importing the type library in Delphi 5 or 7 and using the generated type library import unit in Delphi 6. A Delphi 6 compatible package is supplied with <A href="http://www.blong.com/Conferences/DCon2002/Speech/SAPI51/SAPI51.zip">this article's files</A> (it uses a Delphi 5 generated type library import unit). Note: The Delphi 7 type library importer has been improved to produce more accurate Pascal representations of items in the type library than Delphi 5 did (and than Delphi 6 tried to). As a result of this, the event handlers will often have different parameter lists in the Delphi 7 imported type library. This means that the sample programs won't compile with Delphi 7 with the true Delphi 7 SAPI type library i

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