Speech Synthesis (using system. Speech. synthesis in. net3.0)

Speech Synthesis

1. Use speech synthesis

Speechsynthesizer synth = new speechsynthesizer ();

 

// Obtain the names of all voice installed on the local machine

String voicestring = "";

 

Foreach (installedvoice IV in synth. getinstalledvoices ())

{

Voicestring + = IV. voiceinfo. Name + ",";

}

 

// Determine the voice to be used based on The Voice name attribute

Synth. selectvoice ("VW Lily ");

// Synthesize speech based on text content

Synth. Speak (this. textbox1.text );

Synth. Speak ("Hubei Province, the People's Republic of China ");

2. Build ssml

Promptbuilder myprompt = new promptbuilder ();

 

// Start the main speaking style

Promptstyle mainstyle = new promptstyle ();

Mainstyle. Rate = promptrate. medium;

Mainstyle. volume = promptvolume. volume;

Myprompt. startstyle (mainstyle );

 

// Alert the listener

Myprompt. appendaudio (New uri (

"File: // C:" Windows "" Media "" yy.wav ")," Attention! "); // The appendaudio function combines WAV Files with outputs,

// If the wav file is not found, you can use an equivalent text file, that is, the second parameter.

Myprompt. appendtext ("Here are some important messages .");

 

// Here's the first important message

Myprompt. appendtextwithpronunciation ("winfx", "W n ɛ F ɛ Ks"); // The appendtextwithpronunciation function allows you to specify the correct pronunciation of a word.

Myprompt. appendtext ("is a great platform .");

 

// And the second one

Myprompt. appendtextwithhint ("asp", sayas. spellout); // The appendtextwithhint function marks the acronym.

// Example of sayas enumerated values: sayas. numberordinal sayas. daymonth sayas. spellout sayas. Telephone sayas. Text sayas. time24

Myprompt. appendtext (

"Is an acronym for Active Server Pages. Whereas an ASP is a snake .");

 

Myprompt. appendbreak ();

 

// Let's emphasise how important these messages are

Promptstyle interimstyle = new promptstyle ();

Interimstyle. Emphasis = promptemphasis. Strong;

Myprompt. startstyle (interimstyle );

Myprompt. appendtext ("Please remember these two things .");

Myprompt. endstyle ();

 

// Then we can revert to the main speaking style

Myprompt. appendbreak ();

Myprompt. appendtext ("thank you ");

 

Myprompt. endstyle ();

// Now let's get the synthesizer to render this message

Speechsynthesizer synth = new speechsynthesizer ();

Synth. selectvoice ("VW Lily ");

Synth. speakasync (myprompt); // Asynchronous Method Different from speak

 

3. Save the constructed ssml in the ssml file.

Using (streamwriter promptwriter = new streamwriter ("C:" "prompt. ssml "))

{

Promptwriter. Write (myprompt. toxml ());

}

4. Save the constructed voice into a WAV file.

// If the speakasync method is used earlier, it cannot be output as a WAV file.

// The output can only be completed after the voice is broadcast.

Synth. setoutputtowavefile ("C:" "message.wav ");

Synth. Speak (myprompt );

Synth. setoutputtonull ();

5. Restore to voice based on the information saved in the ssml File

Speechsynthesizer synth = new speechsynthesizer ();

Promptbuilder savedprompt = new promptbuilder ();

Savedprompt. appendssml ("C:" "prompt. ssml ");

Synth. selectvoice ("VW Lily ");

Synth. Speak (savedprompt );

 

6. display the text position being read through the highlight of the speech progress event

Speechsynthesizer synth = new speechsynthesizer ();

Synth. speakprogress + = new eventhandler <speakprogresseventargs> (synth_speakprogress );

Void synth_speakprogress (Object sender, speakprogresseventargs E)

{

This. textbox1.hideselection = false;

This. textbox1.select (E. characterposition, E. charactercount );

}

Source code