GoogleCloudSpeechを使って、音声ファイルをテキストに変換する機能を使ってみる

GoogleCloudSpeechSandbox.ConsoleApp.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp1.1</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <Compile Remove="voice\**" />
    <EmbeddedResource Remove="voice\**" />
    <None Remove="voice\**" />
  </ItemGroup>

  <ItemGroup>
    <PackageReference Include="Google.Cloud.Speech.V1" Version="1.0.0-beta09" />
  </ItemGroup>

</Project>

Program.cs

using Google.Cloud.Speech.V1;
using System;
using System.Linq;
using System.Diagnostics;

namespace GoogleCloudSpeechSandbox.ConsoleApp
{
    class Program
    {
        public static void Main(string[] args)
        {
            var speech = SpeechClient.Create();
            var response = speech.Recognize(new RecognitionConfig()
            {
                Encoding = RecognitionConfig.Types.AudioEncoding.Linear16,
                LanguageCode = "ja-JP",
            }, 
            RecognitionAudio.FromFile("voice/voice.wav"));

            foreach (var result in response.Results)
            {
                var array = result.Alternatives.ToArray();
                foreach (var alternative in array)
                {
                    Debug.WriteLine(alternative.Transcript);
                    Console.WriteLine(alternative.Transcript);

                }
            }
            Console.WriteLine("Finish.");
            Console.ReadKey();
        }
    }
}