我正在尝试开发以下功能。
我正在使用以下代码从语音/语音中获取文本 我得到了结果，但不是我想要的 请查看下面的代码段。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Speech.Recognition;
using System.Speech.Synthesis;
namespace StartingWithSpeechRecognition
{
class Program
{
static SpeechRecognitionEngine _recognizer = null;
static ManualResetEvent manualResetEvent = null;
static void Main(string[] args)
{
manualResetEvent = new ManualResetEvent(false);
Console.WriteLine("To recognize speech, and write 'test' to the console, press 0");
Console.WriteLine("To recognize speech and make sure the computer speaks to you, press 1");
Console.WriteLine("To emulate speech recognition, press 2");
Console.WriteLine("To recognize speech using Choices and GrammarBuilder.Append, press 3");
Console.WriteLine("To recognize speech using a DictationGrammar, press 4");
Console.WriteLine("To get a prompt building example, press 5");
ConsoleKeyInfo pressedKey = Console.ReadKey(true);
char keychar = pressedKey.KeyChar;
Console.WriteLine("You pressed '{0}'", keychar);
switch (keychar)
{
case '0':
RecognizeSpeechAndWriteToConsole();
break;
case '1':
RecognizeSpeechAndMakeSureTheComputerSpeaksToYou();
break;
case '2':
EmulateRecognize();
break;
case '3':
SpeechRecognitionWithChoices();
break;
case '4':
SpeechRecognitionWithDictationGrammar();
break;
case '5':
PromptBuilding();
break;
default:
Console.WriteLine("You didn't press 0, 1, 2, 3, 4, or 5!");
Console.WriteLine("Press any key to continue . . .");
Console.ReadKey(true);
Environment.Exit(0);
break;
}
if (keychar != '5')
{
manualResetEvent.WaitOne();
}
if (_recognizer != null)
{
_recognizer.Dispose();
}
Console.WriteLine("Press any key to continue . . .");
Console.ReadKey(true);
}
#region Recognize speech and write to console
static void RecognizeSpeechAndWriteToConsole()
{
_recognizer = new SpeechRecognitionEngine();
_recognizer.LoadGrammar(new Grammar(new GrammarBuilder("test"))); // load a "test" grammar
_recognizer.LoadGrammar(new Grammar(new GrammarBuilder("exit"))); // load a "exit" grammar
_recognizer.SpeechRecognized += _recognizeSpeechAndWriteToConsole_SpeechRecognized; // if speech is recognized, call the specified method
_recognizer.SpeechRecognitionRejected += _recognizeSpeechAndWriteToConsole_SpeechRecognitionRejected; // if recognized speech is rejected, call the specified method
_recognizer.SetInputToDefaultAudioDevice(); // set the input to the default audio device
_recognizer.RecognizeAsync(RecognizeMode.Multiple); // recognize speech asynchronous
}
static void _recognizeSpeechAndWriteToConsole_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
if (e.Result.Text == "test")
{
Console.WriteLine("test");
}
else if (e.Result.Text == "exit")
{
manualResetEvent.Set();
}
}
static void _recognizeSpeechAndWriteToConsole_SpeechRecognitionRejected(object sender, SpeechRecognitionRejectedEventArgs e)
{
Console.WriteLine("Speech rejected. Did you mean:");
foreach (RecognizedPhrase r in e.Result.Alternates)
{
Console.WriteLine(" " + r.Text);
}
}
#endregion
#region Recognize speech and make sure the computer speaks to you (text to speech)
static void RecognizeSpeechAndMakeSureTheComputerSpeaksToYou()
{
_recognizer = new SpeechRecognitionEngine();
_recognizer.LoadGrammar(new Grammar(new GrammarBuilder("hello computer"))); // load a "hello computer" grammar
_recognizer.SpeechRecognized += _recognizeSpeechAndMakeSureTheComputerSpeaksToYou_SpeechRecognized; // if speech is recognized, call the specified method
_recognizer.SpeechRecognitionRejected += _recognizeSpeechAndMakeSureTheComputerSpeaksToYou_SpeechRecognitionRejected;
_recognizer.SetInputToDefaultAudioDevice(); // set the input to the default audio device
_recognizer.RecognizeAsync(RecognizeMode.Multiple); // recognize speech asynchronous
}
static void _recognizeSpeechAndMakeSureTheComputerSpeaksToYou_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
if (e.Result.Text == "hello computer")
{
SpeechSynthesizer speechSynthesizer = new SpeechSynthesizer();
speechSynthesizer.Speak("hello user");
speechSynthesizer.Dispose();
}
manualResetEvent.Set();
}
static void _recognizeSpeechAndMakeSureTheComputerSpeaksToYou_SpeechRecognitionRejected(object sender, SpeechRecognitionRejectedEventArgs e)
{
if (e.Result.Alternates.Count == 0)
{
Console.WriteLine("No candidate phrases found.");
return;
}
Console.WriteLine("Speech rejected. Did you mean:");
foreach (RecognizedPhrase r in e.Result.Alternates)
{
Console.WriteLine(" " + r.Text);
}
}
#endregion
#region Emulate speech recognition
static void EmulateRecognize()
{
_recognizer = new SpeechRecognitionEngine();
_recognizer.LoadGrammar(new Grammar(new GrammarBuilder("emulate speech"))); // load "emulate speech" grammar
_recognizer.SpeechRecognized += _emulateRecognize_SpeechRecognized;
_recognizer.EmulateRecognize("emulate speech");
}
static void _emulateRecognize_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
if (e.Result.Text == "emulate speech")
{
Console.WriteLine("Speech was emulated!");
}
manualResetEvent.Set();
}
#endregion
#region Speech recognition with Choices and GrammarBuilder.Append
static void SpeechRecognitionWithChoices()
{
_recognizer = new SpeechRecognitionEngine();
GrammarBuilder grammarBuilder = new GrammarBuilder();
grammarBuilder.Append("I"); // add "I"
grammarBuilder.Append(new Choices("like", "dislike")); // load "like" & "dislike"
grammarBuilder.Append(new Choices("dogs", "cats", "birds", "snakes", "fishes", "tigers", "lions", "snails", "elephants")); // add animals
_recognizer.LoadGrammar(new Grammar(grammarBuilder)); // load grammar
_recognizer.SpeechRecognized += speechRecognitionWithChoices_SpeechRecognized;
_recognizer.SetInputToDefaultAudioDevice(); // set input to default audio device
_recognizer.RecognizeAsync(RecognizeMode.Multiple); // recognize speech
}
static void speechRecognitionWithChoices_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
Console.WriteLine("Do you really " + e.Result.Words[1].Text + " " + e.Result.Words[2].Text + "?");
manualResetEvent.Set();
}
#endregion
#region Speech recognition with DictationGrammar
static void SpeechRecognitionWithDictationGrammar()
{
_recognizer = new SpeechRecognitionEngine();
_recognizer.LoadGrammar(new Grammar(new GrammarBuilder("exit")));
_recognizer.LoadGrammar(new DictationGrammar());
_recognizer.SpeechRecognized += speechRecognitionWithDictationGrammar_SpeechRecognized;
_recognizer.SetInputToDefaultAudioDevice();
_recognizer.RecognizeAsync(RecognizeMode.Multiple);
}
static void speechRecognitionWithDictationGrammar_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
if (e.Result.Text == "exit")
{
manualResetEvent.Set();
return;
}
Console.WriteLine("You said: " + e.Result.Text);
}
#endregion
#region Prompt building
static void PromptBuilding()
{
PromptBuilder builder = new PromptBuilder();
builder.StartSentence();
builder.AppendText("This is a prompt building example.");
builder.EndSentence();
builder.StartSentence();
builder.AppendText("Now, there will be a break of 2 seconds.");
builder.EndSentence();
builder.AppendBreak(new TimeSpan(0, 0, 2));
builder.StartStyle(new PromptStyle(PromptVolume.ExtraSoft));
builder.AppendText("This text is spoken extra soft.");
builder.EndStyle();
builder.StartStyle(new PromptStyle(PromptRate.Fast));
builder.AppendText("This text is spoken fast.");
builder.EndStyle();
SpeechSynthesizer synthesizer = new SpeechSynthesizer();
synthesizer.Speak(builder);
synthesizer.Dispose();
}
#endregion
}
}
如果这是错误的方式，请建议我正确的方式或任何参考链接或教程将受到高度赞赏。
答案 0 :(得分：1)
System.Speech.Recognition是一个旧的API。
我认为你必须使用Google Speech API：https://cloud.google.com/speech/docs/basics或MS Bing语音API：https://azure.microsoft.com/en-us/services/cognitive-services/speech/
我更喜欢Google API。这是一个非常小的例子：
using Google.Apis.Auth.OAuth2;
using Google.Cloud.Speech.V1;
using Grpc.Auth;
using System;
var speech = SpeechClient.Create( channel );
var response = speech.Recognize( new RecognitionConfig()
{
Encoding = RecognitionConfig.Types.AudioEncoding.Linear16,
SampleRateHertz = 16000,
LanguageCode = "hu",
}, RecognitionAudio.FromFile( "888.wav" ) );
foreach ( var result in response.Results )
{
foreach ( var alternative in result.Alternatives )
{
Console.WriteLine( alternative.Transcript );
}
}
但你可以找到更多样本： https://cloud.google.com/speech/docs/samples
Regrads