TTS（Text To Speech）
- Speak Text
- Speak SSML
示例
1、演示如何通过 TTS 朗读一段文本，以及如何将其保存为音频文件
SpeakText.xaml
<Page
x:Class="Windows81.TTS.SpeakText"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:Windows81.TTS"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d">
<Grid Background="Transparent">
<StackPanel Margin="120 0 0 0">
<!--用于播放音频-->
<MediaElement Name="mediaElement" AutoPlay="False" />
<TextBlock Name="lblMsg" FontSize="14.667" Margin="0 10 0 0" />
<!--需要被 TTS 的文本-->
<TextBlock Name="lblText" FontSize="14.667" Margin="0 10 0 0" Text="TTS 是 Text To Speech 的缩写，即“从文本到语音”，是人机对话的一部分，让机器能够说话。" />
<!--开始 TTS-->
<Button Name="btnSpeakText" Content="Speek Text" Click="btnSpeakText_Click" Margin="0 10 0 0" />
<!--保存 TTS 转换出的音频文件-->
<Button Name="btnSaveAudio" Content="Save Audio" Click="btnSaveAudio_Click" Margin="0 10 0 0" />
</StackPanel>
</Grid>
</Page>
SpeakText.xaml.cs
/*
* 演示如何通过 TTS 朗读一段文本，以及如何将其保存为音频文件
*
* 注：Windows Phone 中的“TTS, 语音识别, 语音命令”请参见：http://www.cnblogs.com/webabcd/archive/2014/01/02/3501356.html
*/
using System;
using System.Collections.Generic;
using Windows.Media.SpeechSynthesis;
using Windows.Storage;
using Windows.Storage.Pickers;
using Windows.Storage.Streams;
using Windows.UI.Popups;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;
namespace Windows81.TTS
{
public sealed partial class SpeakText : Page
{
// TTS 引擎
private SpeechSynthesizer _synthesizer = new SpeechSynthesizer();
public SpeakText()
{
this.InitializeComponent();
lblMsg.Text = "系统支持的语音有：";
// TTS 引擎所支持的全部语音信息
var voices = SpeechSynthesizer.AllVoices;
foreach (VoiceInformation voice in voices)
{
lblMsg.Text += voice.DisplayName + ", ";
}
lblMsg.Text += Environment.NewLine;
// 获取或设置当前 TTS 引擎所使用的语音
lblMsg.Text += "当前 TTS 使用的语音是：" + _synthesizer.Voice.DisplayName;
// SpeechSynthesizer 实现了 IDisposable 接口
// _synthesizer.Dispose();
this.mediaElement.CurrentStateChanged += mediaElement_CurrentStateChanged;
}
void mediaElement_CurrentStateChanged(object sender, RoutedEventArgs e)
{
if (mediaElement.CurrentState == MediaElementState.Paused)
{
btnSpeakText.IsEnabled = true;
}
}
// 播放 TTS 音频
private async void btnSpeakText_Click(object sender, RoutedEventArgs e)
{
// TTS 引擎生成的音频流
SpeechSynthesisStream synthesisStream;
try
{
// 通过 TTS 引擎将字符串转换成音频流
synthesisStream = await _synthesizer.SynthesizeTextToStreamAsync(lblText.Text);
}
catch (Exception ex)
{
lblMsg.Text = ex.ToString();
synthesisStream = null;
btnSpeakText.IsEnabled = true;
}
// 播放音频流
mediaElement.AutoPlay = true;
mediaElement.SetSource(synthesisStream, synthesisStream.ContentType);
mediaElement.Play();
}
// 保存 TTS 音频
private async void btnSaveAudio_Click(object sender, RoutedEventArgs e)
{
FileSavePicker savePicker = new FileSavePicker();
savePicker.DefaultFileExtension = ".wav";
savePicker.FileTypeChoices.Add("Audio file", new List<string>() { ".wav" });
StorageFile file = await savePicker.PickSaveFileAsync();
if (file != null)
{
btnSaveAudio.IsEnabled = false;
SpeechSynthesisStream synthesisStream;
try
{
synthesisStream = await _synthesizer.SynthesizeTextToStreamAsync(lblText.Text);
}
catch (Exception ex)
{
lblMsg.Text = ex.ToString();
synthesisStream = null;
btnSaveAudio.IsEnabled = true;
}
// 保存音频数据到文件
Windows.Storage.Streams.Buffer buffer = new Windows.Storage.Streams.Buffer(4096);
IRandomAccessStream writeStream = (IRandomAccessStream)await file.OpenAsync(FileAccessMode.ReadWrite);
IOutputStream outputStream = writeStream.GetOutputStreamAt(0);
DataWriter dataWriter = new DataWriter(outputStream);
while (synthesisStream.Position < synthesisStream.Size)
{
await synthesisStream.ReadAsync(buffer, 4096, InputStreamOptions.None);
dataWriter.WriteBuffer(buffer);
}
dataWriter.StoreAsync().AsTask().Wait();
outputStream.FlushAsync().AsTask().Wait();
btnSaveAudio.IsEnabled = true;
}
}
}
}
2、演示如何通过 TTS 朗读 SSML 协议文档，以及如何将其保存为音频文件
SpeakSSML.xaml
<Page
x:Class="Windows81.TTS.SpeakSSML"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="using:Windows81.TTS"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d">
<Grid Background="Transparent">
<StackPanel Margin="120 0 0 0">
<!--用于播放音频-->
<MediaElement Name="mediaElement" AutoPlay="False" />
<TextBlock Name="lblMsg" FontSize="14.667" Margin="0 10 0 0" />
<!--开始 TTS-->
<Button Name="btnSpeakSSML" Content="Speek SSML" Click="btnSpeakSSML_Click" Margin="0 10 0 0" />
<!--保存 TTS 转换出的音频文件-->
<Button Name="btnSaveAudio" Content="Save Audio" Click="btnSaveAudio_Click" Margin="0 10 0 0" />
</StackPanel>
</Grid>
</Page>
SpeakSSML.xaml.cs
/*
* 演示如何通过 TTS 朗读 SSML 协议文档，以及如何将其保存为音频文件
*
* 注：Windows Phone 中的“TTS, 语音识别, 语音命令”请参见：http://www.cnblogs.com/webabcd/archive/2014/01/02/3501356.html
*
*
* 另外：
* 1、SSML - Speech Synthesis Markup Language
* 2、微软关于 ssml 的说明：http://msdn.microsoft.com/en-us/library/hh361578
* 3、W3C 关于 ssml 的说明：http://www.w3.org/TR/speech-synthesis/
*/
using System;
using System.Collections.Generic;
using Windows.Media.SpeechSynthesis;
using Windows.Storage;
using Windows.Storage.Pickers;
using Windows.Storage.Streams;
using Windows.UI.Popups;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;
namespace Windows81.TTS
{
public sealed partial class SpeakSSML : Page
{
// TTS 引擎
private SpeechSynthesizer _synthesizer = new SpeechSynthesizer();
public SpeakSSML()
{
this.InitializeComponent();
lblMsg.Text = "系统支持的语音有：";
// TTS 引擎所支持的全部语音信息
var voices = SpeechSynthesizer.AllVoices;
foreach (VoiceInformation voice in voices)
{
lblMsg.Text += voice.DisplayName + ", ";
}
lblMsg.Text += Environment.NewLine;
// 获取或设置当前 TTS 引擎所使用的语音
lblMsg.Text += "当前 TTS 使用的语音是：" + _synthesizer.Voice.DisplayName;
// SpeechSynthesizer 实现了 IDisposable 接口
// _synthesizer.Dispose();
this.mediaElement.CurrentStateChanged += mediaElement_CurrentStateChanged;
}
void mediaElement_CurrentStateChanged(object sender, RoutedEventArgs e)
{
if (mediaElement.CurrentState == MediaElementState.Paused)
{
btnSpeakSSML.IsEnabled = true;
}
}
// 播放 TTS 音频（SSML）
private async void btnSpeakSSML_Click(object sender, RoutedEventArgs e)
{
// TTS 引擎生成的音频流
SpeechSynthesisStream synthesisStream;
try
{
// 构造一个 SSML 协议文档
string ssml = "<speak version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" xml:lang=\"zh-CN\">"; // 中文
ssml += "<voice gender=\"male\">"; // 男声
ssml += "<prosody rate=\"-50%\">"; // 语速放慢 50%
ssml += "TTS 是 Text To Speech 的缩写，即“从文本到语音”，是人机对话的一部分，让机器能够说话。";
ssml += "</prosody>";
ssml += "</voice>";
ssml += "</speak>";
// 通过 TTS 引擎将 SSML 协议文档转换成音频流
synthesisStream = await _synthesizer.SynthesizeSsmlToStreamAsync(ssml);
}
catch (Exception ex)
{
lblMsg.Text = ex.ToString();
synthesisStream = null;
btnSpeakSSML.IsEnabled = true;
}
// 播放音频流
mediaElement.AutoPlay = true;
mediaElement.SetSource(synthesisStream, synthesisStream.ContentType);
mediaElement.Play();
}
// 保存 TTS 音频（SSML）
private async void btnSaveAudio_Click(object sender, RoutedEventArgs e)
{
FileSavePicker savePicker = new FileSavePicker();
savePicker.DefaultFileExtension = ".wav";
savePicker.FileTypeChoices.Add("Audio file", new List<string>() { ".wav" });
StorageFile file = await savePicker.PickSaveFileAsync();
if (file != null)
{
btnSaveAudio.IsEnabled = false;
SpeechSynthesisStream synthesisStream;
try
{
// 构造一个 SSML 协议文档
string ssml = "<speak version=\"1.0\" xmlns=\"http://www.w3.org/2001/10/synthesis\" xml:lang=\"zh-CN\">"; // 中文
ssml += "<voice gender=\"male\">"; // 男声
ssml += "<prosody rate=\"-50%\">"; // 语速放慢 50%
ssml += "TTS 是 Text To Speech 的缩写，即“从文本到语音”，是人机对话的一部分，让机器能够说话。";
ssml += "</prosody>";
ssml += "</voice>";
ssml += "</speak>";
// 通过 TTS 引擎将 SSML 协议文档转换成音频流
synthesisStream = await _synthesizer.SynthesizeSsmlToStreamAsync(ssml);
}
catch (Exception ex)
{
lblMsg.Text = ex.ToString();
synthesisStream = null;
btnSaveAudio.IsEnabled = true;
}
// 保存音频数据到文件
Windows.Storage.Streams.Buffer buffer = new Windows.Storage.Streams.Buffer(4096);
IRandomAccessStream writeStream = (IRandomAccessStream)await file.OpenAsync(FileAccessMode.ReadWrite);
IOutputStream outputStream = writeStream.GetOutputStreamAt(0);
DataWriter dataWriter = new DataWriter(outputStream);
while (synthesisStream.Position < synthesisStream.Size)
{
await synthesisStream.ReadAsync(buffer, 4096, InputStreamOptions.None);
dataWriter.WriteBuffer(buffer);
}
dataWriter.StoreAsync().AsTask().Wait();
outputStream.FlushAsync().AsTask().Wait();
btnSaveAudio.IsEnabled = true;
}
}
}
}
时间： 2024-11-08 19:16:31