问题描述
我最初运行的是 Azure 语音到文本模型,该模型可从文件中转录最多 15 秒的语音。现在我试图把它变成一个可以转录更长话语的模型,但该模型仍然在 15 秒的演讲中被切断。代码是:
using System;
using System.Threading.Tasks;
using Microsoft.CognitiveServices.Speech;
using Microsoft.CognitiveServices.Speech.Audio;
namespace nesT {
class Program {
static async Task Main(string[] args) {
await StartContinuousRecognitionAsync();
}
static async Task StartContinuousRecognitionAsync() {
// Configure the subscription information for the service to access.
// Use either key1 or key2 from the Speech Service resource you have created
var config = SpeechConfig.FromSubscription("subscriptionkey","region");
// Setup the audio configuration,in this case,using a file that is in local storage.
using(var audioInput = AudioConfig.FromWavFileInput("C:/Users/MichaelSchwartz/source/repos/AI-102-Process-Speech-master/transcribe_speech_to_text/media/spkr1.wav"))
// Pass the required parameters to the Speech Service which includes the configuration information
// and the audio file name that you will use as input
using(var recognizer = new SpeechRecognizer(config,audioInput)) {
Console.WriteLine("Recognizing first result...");
var result = await recognizer.StartContinuousRecognitionAsync();
switch (result.Reason) {
case ResultReason.RecognizedSpeech:
// The file contained speech that was recognized and the transcription will be output
// to the terminal window
Console.WriteLine($"We recognized: {result.Text}");
break;
case ResultReason.NoMatch:
// No recognizable speech found in the audio file that was supplied.
// Out an informative message
Console.WriteLine($"NOMATCH: Speech Could not be recognized.");
break;
case ResultReason.Canceled:
// Operation was cancelled
// Output the reason
var cancellation = CancellationDetails.Fromresult(result);
Console.WriteLine($"CANCELED: Reason={cancellation.Reason}");
if (cancellation.Reason == CancellationReason.Error) {
Console.WriteLine($"CANCELED: ErrorCode={cancellation.ErrorCode}");
Console.WriteLine($"CANCELED: ErrorDetails={cancellation.ErrorDetails}");
Console.WriteLine($"CANCELED: Did you update the subscription info?");
}
break;
}
}
}
}
}
返回的错误是:
不能将 void 分配给隐式类型变量 [nesT]csharp(CS0815)。
我如何解决这个问题并转录超过 15 秒的话语?提前致谢。
解决方法
不确定您使用的是哪个版本的 SDK,但官方文档使用 Delegates 而不是 result.Reason,因为它在您的代码中。
using var audioConfig = AudioConfig.FromWavFileInput("YourAudioFile.wav");
using var recognizer = new SpeechRecognizer(speechConfig,audioConfig);
var stopRecognition = new TaskCompletionSource<int>();
recognizer.Recognizing += (s,e) =>
{
Console.WriteLine($"RECOGNIZING: Text={e.Result.Text}");
};
recognizer.Recognized += (s,e) =>
{
if (e.Result.Reason == ResultReason.RecognizedSpeech)
{
Console.WriteLine($"RECOGNIZED: Text={e.Result.Text}");
}
else if (e.Result.Reason == ResultReason.NoMatch)
{
Console.WriteLine($"NOMATCH: Speech could not be recognized.");
}
};
recognizer.Canceled += (s,e) =>
{
Console.WriteLine($"CANCELED: Reason={e.Reason}");
if (e.Reason == CancellationReason.Error)
{
Console.WriteLine($"CANCELED: ErrorCode={e.ErrorCode}");
Console.WriteLine($"CANCELED: ErrorDetails={e.ErrorDetails}");
Console.WriteLine($"CANCELED: Did you update the subscription info?");
}
stopRecognition.TrySetResult(0);
};
recognizer.SessionStopped += (s,e) =>
{
Console.WriteLine("\n Session stopped event.");
stopRecognition.TrySetResult(0);
};
await recognizer.StartContinuousRecognitionAsync();
// Waits for completion. Use Task.WaitAny to keep the task rooted.
Task.WaitAny(new[] { stopRecognition.Task });