Public Sub SetOutputToWaveFile ( _
	path As String, _
	formatInfo As SpeechAudioFormatInfo _
)

Dim instance As SpeechSynthesizer
Dim path As String
Dim formatInfo As SpeechAudioFormatInfo

instance.SetOutputToWaveFile(path, formatInfo)

public void SetOutputToWaveFile(
	string path,
	SpeechAudioFormatInfo formatInfo
)

using System;
using System.IO;
using Microsoft.Speech.Synthesis;
using Microsoft.Speech.AudioFormat;

namespace SampleSynthesis
{
  class Program
  {
    static void Main(string[] args)
    {

      // Initialize a new instance of the SpeechSynthesizer.
      using (SpeechSynthesizer synth = new SpeechSynthesizer())
      {

        // Configure the audio output. 
        synth.SetOutputToWaveFile(@"C:\temp\test.wav", 
          new SpeechAudioFormatInfo(8000, AudioBitsPerSample.Eight, AudioChannel.Mono));

        // Create a SoundPlayer instance to play output audio file.
        System.Media.SoundPlayer m_SoundPlayer = 
          new System.Media.SoundPlayer(@"C:\temp\test.wav");

        // Build a prompt.
        PromptBuilder builder = new PromptBuilder();
        builder.AppendText("This is sample output to a WAVE file.");

        // Speak the prompt.
        synth.Speak(builder);
        m_SoundPlayer.Play();
      }

      Console.WriteLine();
      Console.WriteLine("Press any key to exit...");
      Console.ReadKey();
    }
  }
}