Windowsで音声出力

環境

Windows 11 Pro (64bit)
Visual Studio Community 2022

COM

JScript

sp_com.js

// cscript sp_com.js
var sapi = WScript.CreateObject("SAPI.SpVoice");
sapi.Speak("hello, world");

enum.js

var v = WScript.CreateObject("SAPI.SpVoice");
for (var e = new Enumerator(v.GetVoices()); ! e.atEnd(); e.moveNext()) {
	var t = e.item();
	WScript.Echo(t.GetDescription());
}

VC++

sp_com.cpp

// cl /MD sp_com.cpp
#pragma comment(lib, "ole32")

#include <sapi.h>

int main(void)
{
	if (FAILED(CoInitialize(NULL))) return 1;

	ISpVoice *pVoice = NULL;
	HRESULT hr = CoCreateInstance(CLSID_SpVoice,
		NULL, CLSCTX_ALL, IID_PPV_ARGS(&pVoice));
	if (SUCCEEDED(hr)) {
		hr = pVoice->Speak(L"hello, world", 0, NULL);
		pVoice->Release();
		pVoice = NULL;
	}

	CoUninitialize();
}

.NET

C#

dev.bat

@echo off
path %path%;C:\Windows\Microsoft.NET\Framework64\v4.0.30319
prompt $e[33m$p$g$e[m
cmd

sp_net.cs

/*
csc /r:"C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Speech\v4.0_4.0.0.0__31bf3856ad364e35\System.Speech.dll" sp_net.cs
*/
using System.Speech.Synthesis;

class Program {
	static void Main() {
		using (var synth = new SpeechSynthesizer()) {
			synth.SetOutputToDefaultAudioDevice();
			synth.Speak("hello, world");
		}
	}
}

PowerShell

sp_net.ps1

# powershell -ExecutionPolicy RemoteSigned ./sp_net.ps1

Add-Type -AssemblyName System.Speech

$synth = New-Object System.Speech.Synthesis.SpeechSynthesizer
$synth.SetOutputToDefaultAudioDevice()
$synth.Speak("hello, world")

PowerShellで追加したアセンブリのpathを確認できる。
cscではGACアセンブリ名での参照追加はできない模様。

Add-Type -AssemblyName System.Speech
([AppDomain]::CurrentDomain).GetAssemblies()

C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Speech\v4.0_4.0.0.0__31bf3856ad364e35\System...

WinRT

C#

適当なディレクトリを用意する。
例：C:\Projects\.NET\SpWinRT

dotnet new console

というコマンドでSpWinRT.csprojとProgram.csが作られる。

SpWinRT.csproj

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

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net8.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
  </PropertyGroup>

</Project>

TargetFrameworkをnet8.0-windows10.0.22000.0とする。

Program.cs

using Windows.Media.Core;
using Windows.Media.Playback;
using Windows.Media.SpeechSynthesis;

var text = "hello, world";
using var synth = new SpeechSynthesizer();
using var stream = await synth.SynthesizeTextToStreamAsync(text);

using var player = new MediaPlayer();
player.Source = MediaSource.CreateFromStream(
	stream, stream.ContentType);
player.Play();
System.Console.ReadLine();

ビルドと実行

dotnet build
bin\Debug\net8.0-windows10.0.22000.0\SpWinRT.exe

SoundPlayer

dotnet add package System.Windows.Extensions

を実行するとobjディレクトリにnuget関連ファイルが作られる。

Program.cs

using System.Media;
using Windows.Media.SpeechSynthesis;

var text = "hello, world";
using var synth = new SpeechSynthesizer();
using var synthStream = await synth.SynthesizeTextToStreamAsync(text);

using var player = new SoundPlayer();
player.Stream = synthStream.AsStreamForRead();
player.PlaySync();