Microsoft Speech Platform

In the previous blog, Microsoft's voice platform is generally referred to as TTS. It is implemented using the class SpeechSynthesizer in the Xiangwei SDK.

First, let's look at the simplest method:

SpeechSynthesizer speech = newSpeechSynthesizer ();

Speech. setoutputtodefaauaudiodevice ();

Speech. Volume = 50;

Speech. Rate = 0;

Speech. Speak ("this is the audio content! ");

The setoutputtodefaauaudiodevice method is a required method, indicating that the voice is played on the current default playback device. There are several other methods, namely, output to a stream or file, and Volume indicates the Volume during playback, the value ranges from 0 to 100, the Rate is the speed, and the value ranges from-10 to 10. The Speak method of the last row is to start reading the content. It seems that it is not very difficult, but now there is a problem: when reading aloud, the UI of the program is stuck until the reading is complete, this user experience will certainly not work. What should I do? One method is custom multithreading, and the other is to call the asynchronous Speak method of SpeechSynthesizer, that is, SpeakAsync.

What should I do if I want to make some changes when reading a piece of text? It can be implemented using PromptBuilder. This is a collection class. It stores multiple text information and adds corresponding expression attributes to the text information to achieve different expressions of each sentence, for example, the following code:

Speech = newSpeechSynthesizer ();

Speech. setoutputtodefaauaudiodevice ();

Speech. Volume = 100;

Speech. Rate = 0;

PromptBuilder pb = newPromptBuilder ();

Pb. AppendText ("First sentence,", PromptRate. Fast );

Pb. AppendText ("Second sentence,", PromptRate. Slow );

Speech. SpeakAsync (pb );

When reading two sentences, the speed of speech is different.

For more information about the Microsoft voice platform, see http://msdn.microsoft.com/en-us/library/dd266409 (v = office.14). aspx

 

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