Powershellから VoiceText Web APIをたたいて、しゃべらせるスクリプト

posh-VoiceText.ps1

<#
.SYNOPSIS
  VoiceText Web APIを利用してしゃべる。(https://cloud.voicetext.jp/webapi)
.DESCRIPTION
  Invoke-RestMethod を使って、.wavファイルデータを取得して再生する。
.EXAMPLE
  posh-VoiceText.ps1 -text "たけやぶやけた" -speaker show
  
# License : MIT
# http://mollifier.mit-license.org/
#>
[CmdletBinding()]
Param(
  [parameter(Mandatory=$true,ValueFromPipeline=$True,
  HelpMessage="【必須】合成するテキスト。200文字以内")]
  [ValidateLength(1, 200)]
  [String]$text

 ,[parameter(
  HelpMessage="【必須】話者名。いずれかを指定。show (男性),haruka (女性),hikari (女性),takeru (男性), santa (サンタクロース),bear (凶暴なクマ)")]
  [ValidateSet('show', 'haruka','hikari', 'takeru', 'santa', 'bear')]
  [String]$speaker='show'

 ,[parameter(
  HelpMessage="感情カテゴリ。いずれかを指定。happiness 喜,anger 怒,sadness 悲")]
  [ValidateSet('happiness', 'anger','sadness')]
  [String]$emotion

 ,[parameter(
  HelpMessage="感情レベル。1～2で数値が大きいほど感情が強くなる")]
  [ValidateRange(1,2)]
  [Int]$emotion_level

 ,[parameter(HelpMessage="音の高低")]
  [ValidateRange(50, 200)]
  [Int]$pitch

 ,[parameter(HelpMessage="話す速度")]
  [ValidateRange(50, 400)]
  [Int]$speed

 ,[parameter(HelpMessage="音量")]
  [ValidateRange(50, 200)]
  [Int]$volume 

 ,[parameter(
  HelpMessage="出力するWaveファイル名")]
  [String]$OutFile

 ,[parameter(HelpMessage="再生しません")]
  [switch]$NoPlay
 ,[parameter(HelpMessage="テキストを返します")]
  [switch]$PassThru
  )

Function base64_encode {
  param($str)
  $byte = [Text.Encoding]::UTF8.GetBytes( $str )
  return  [Convert]::ToBase64String( $byte )
}
Function msPlayerSync {
  param($wavfile)
  $ms = New-Object Media.SoundPlayer( (Resolve-Path $wavfile) )
  $ms.PlaySync()
}

# main
if($Env:VOICETEXT_API_KEY -eq $NULL){ # APIキーがセットされてない
  $apikey = Read-Host "YOUR_API_KEY"
  $Env:VOICETEXT_API_KEY = $apikey
}

$endpoint = "https://api.voicetext.jp/v1/tts"
$hdr = @{}
$hdr["Authorization"] = "Basic " + (base64_encode ( $Env:VOICETEXT_API_KEY + ":" ))

$rest_body = @{}
$rest_body["text"] = $text
$rest_body["speaker"] = $speaker
if ($pitch   -ne 0){ $rest_body["pitch"] = $pitch }
if ($speed   -ne 0){ $rest_body["speed"] = $speed }
if ($volume  -ne 0){ $rest_body["volume"] = $volume }
if ($emotion -ne ""){ $rest_body["emotion"] = $emotion }
if ($emotion_level -ne 0){ $rest_body["emotion_level"] = $emotion_level }

#Write-Debug  (ConvertTo-Json $rest_body )

if($OutFile -eq "") {
  $wavfile = [IO.Path]::GetTempFileName() + ".wav"
}else{
  $wavfile = $OutFile
}
$r = Invoke-RestMethod -Uri $endpoint -Method POST -Headers $hdr `
      -BODY $rest_body -OutFile $wavfile
if($r -eq $NULL){
# ResponseCode -eq 200
  if(-not ($NoPlay)){
    msPlayerSync $wavfile|Out-Null
  }
  if($OutFile -eq "") {
    del $wavfile
  }
}else{
# ResponseCode -ne 200 not return wav file.
  Write-Debug  (ConvertTo-Json $r )
}
if ($PassThru) {
  return $text
}