How to generate timestamps using Azure speech to text and C#?

Question

I'm trying to generate timestamps using Azure S2T in C#. I've tried the following resources:

How to get Word Level Timestamps using Azure Speech to Text and the Python SDK?

How to generate timestamps in speech recognition?

The second has been the most helpful, but I'm still getting errors. My code is:

using System;
using System.Threading.Tasks;
using Microsoft.CognitiveServices.Speech;
using Microsoft.CognitiveServices.Speech.Audio;

namespace NEST
{
internal class NewBaseType
{
    static async Task Main(string[] args)

    {
        // Creates an instance of a speech config with specified subscription key and region.
        // Replace with your own subscription key and service region (e.g., "westus").
        var config = SpeechConfig.FromSubscription("subscriptionkey", "region");

        // Generates timestamps
        config.OutputFormat = OutputFormat.Detailed;
        config.RequestWordLevelTimestamps = true;   

        //calls the audio file
        using (var audioInput = AudioConfig.FromWavFileInput("C:/Users/MichaelSchwartz/source/repos/AI-102-Process-Speech-master/transcribe_speech_to_text/media/Zoom_audio.wav"))

        // Creates a speech recognizer from microphone.
        using (var recognizer = new SpeechRecognizer(config, audioInput))
        {
            // Subscribes to events.
            recognizer.Recognizing += (s, e) =>
            {
                Console.WriteLine($"RECOGNIZING: Text={e.Result.Text}");
            };

            recognizer.Recognized += (s, e) =>
            {
                var result = e.Result;
                Console.WriteLine($"Reason: {result.Reason.ToString()}");
                if (result.Reason == ResultReason.RecognizedSpeech)
                {
                    Console.WriteLine($"Final result: Text: {result.Text}.");
                }
            };

            recognizer.Canceled += (s, e) =>
            {
                Console.WriteLine($"\n    Canceled. Reason: {e.Reason.ToString()}, CanceledReason: {e.Reason}");
            };

            recognizer.SessionStarted += (s, e) =>
            {
                Console.WriteLine("\n    Session started event.");
            };

            recognizer.SessionStopped += (s, e) =>
            {
                Console.WriteLine("\n    Session stopped event.");
            };

            // Starts continuous recognition. 
            // Uses StopContinuousRecognitionAsync() to stop recognition.
            await recognizer.StartContinuousRecognitionAsync().ConfigureAwait(false);

            do
            {
                Console.WriteLine("Press Enter to stop");
            } while (Console.ReadKey().Key != ConsoleKey.Enter);

            var json = result.Properties.GetProperty(PropertyId.SpeechServiceResponse_JsonResult);
            Console.WriteLine(json);

            // Stops recognition.
            await recognizer.StopContinuousRecognitionAsync().ConfigureAwait(false);
        }
    }
}

}

The errors returned are:

Cannot assign to 'RequestWordLevelTimestamps' because it is a 'method group' [NEST]

The name 'result' does not exist in the current context [NEST]

How do I resolve these errors?

Answer 1

You should use

config.RequestWordLevelTimestamps()

instead of

config.RequestWordLevelTimestamps = true;

RequestWordLevelTimestamps is a method. Reference to the method.