[英]convert & save text to speech file
我正在使用此代码使用System.Speech.Synthesis;使用*将文本转换并保存为语音。 *但会抛出-异步操作只能在PreRenderComplete事件之前的页面上启动。 这是我的代码:
using (Stream ret = new MemoryStream())
using (SpeechSynthesizer synth = new SpeechSynthesizer())
{
var mi = synth.GetType().GetMethod("SetOutputStream", BindingFlags.Instance | BindingFlags.NonPublic);
var fmt = new SpeechAudioFormatInfo(8000, AudioBitsPerSample.Eight, AudioChannel.Mono);
mi.Invoke(synth, new object[] { ret, fmt, true, true });
synth.Speak("Greetings from stack overflow");
// Testing code:
using (var fs = new FileStream(@"c:\temp\test.wav", FileMode.Create, FileAccess.Write, FileShare.None))
{
ret.Position = 0;
byte[] buffer = new byte[4096];
for (; ; )
{
int len = ret.Read(buffer, 0, buffer.Length);
if (len == 0) break;
fs.Write(buffer, 0, len);
}
}
}
将此添加到页面加载中。
protected void Page_Load(object sender, EventArgs e)
{
System.ComponentModel.AsyncOperationManager.SynchronizationContext =
new System.Threading.SynchronizationContext();
}
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