{"kind":"guides","slug":"google-text-to-speech-alternative","path":"/guides/google-text-to-speech-alternative","title":"Google Text-to-Speech のオフライン代替 | SuperClonica","description":"Google Cloud Text-to-Speech などクラウドの音声合成APIのオフライン代替：同じような HTTP エンドポイントを自分のサーバーで。文字数課金はありません。","h1":"Google Cloud Text-to-Speech のオフライン代替","intro":"Google Cloud Text-to-Speech、Amazon Polly、Azure AI Speech はクラウドAPIです。リクエストのたびにテキストが提供元に送られ、無料枠を超えた分は文字数で課金され、アカウント、キー、インターネット接続が必要です。SuperClonica は同じような部品を、自分のマシンで動かせる形で提供します。\n\nこのページでは2つの構成を正直に比べ、クラウドAPIのほうが向いている場面と、クラウド呼び出しをローカルに置き換える方法を紹介します。","sections":[{"heading":"クラウドAPIか、自分で動かす声か","points":["クラウドTTS：マネージドなサーバー、多くの言語と声、使用量に応じた課金、テキストは提供元へ送信。","SuperClonica：HTTP エンドポイント付きの Docker イメージ、Python ライブラリー、コマンドラインツール。すべてローカルで動きます。","約385MBのモデルを一度ダウンロードすれば、サーバーにインターネットは不要です。","声は JSON ファイル：内蔵の10種類、カタログの声、自分の録音から学習した声。"],"paragraphs":["クラウドAPIは始めやすく、どんな負荷にも対応できます。ローカルエンジンはそれと引き換えに、プライバシーと固定コストを得ます。"]},{"heading":"クラウドAPIが向いている場面","paragraphs":["中国語やとても多くの言語・地域バリエーション、SSML による制御、サービス保証付きのマネージドなスケーリングが必要なとき、あるいは単にサーバーを管理したくないときは、クラウドAPIを選びましょう。SuperClonica は31言語を話し、SSML はなく、自分で管理するハードウェアで動きます。"]},{"heading":"SuperClonica が向いている場面","points":["テキストが機密：医療メモ、社内文書、未公開のゲームのセリフ。","オフラインや閉じたネットワークの中で動かす必要がある。","量が多い、または予測できず、文字数課金だと費用もふくらむ。","キャラクターの声、自社の話し手から学習したブランドの声、31言語すべてで同じ声が欲しい。"],"paragraphs":["私たちのテストでは、短いフレーズが RTX 5070 Ti で0.12秒、Ryzen 7 5800X の4スレッドで0.43秒でした。"]},{"heading":"API 呼び出しを置き換える","paragraphs":["どの CPU でもサーバーを起動できます：docker run -d --name tts -p 8000:8000 -v superclonica-models:/models superclonica/superclonica:cpu。GET http://localhost:8000/health が応答したら、リクエストを送ります：curl -X POST http://localhost:8000/synthesize -H \"Content-Type: application/json\" -d '{\"text\": \"Hello from my own server!\", \"voice\": \"F1\", \"lang\": \"en\"}' -o hello.wav。POST /synthesize は text、voice、lang、seed、normalize を受け取り、16ビットのモノラル WAV を返します。SUPERCLONICA_API_KEY を設定すると Authorization ヘッダーが必須になります。サーバーは HTTPS の背後かプライベートネットワークに置きましょう。独自の声はリクエストに JSON オブジェクトとして入れます。"]},{"heading":"費用とライセンス","paragraphs":["SuperClonica のエンジンと Docker イメージは Apache License 2.0 で公開されています。Supertonic 3 モデルは OpenRAIL-M で、禁止用途のリストの範囲内で商用利用も認める無償のライセンスです。内蔵の声とカタログのいくつかの声は無料で、そのほかは買い切りです。比べる前に、各クラウド提供元の公式サイトで現在の価格を確認してください。"]}],"faq":[{"question":"Google の API をそのまま置き換えられますか？","answer":"いいえ。リクエスト形式は異なり、より単純です：text、voice、lang を指定した POST /synthesize。SSML はありません。"},{"question":"中国語に対応していますか？","answer":"まだです。Supertonic 3 は31言語を話しますが、中国語は含まれていません。"},{"question":"サーバーに GPU は必要ですか？","answer":"いいえ。cpu イメージはどのプロセッサーでも動き、cuda イメージは NVIDIA の GPU で高速化します。"},{"question":"商用利用できますか？","answer":"エンジンは Apache 2.0、モデルは OpenRAIL-M で、その制限の範囲で商用利用が認められています。カタログの声は、権利のあるものを使ってください。"}],"cta":{"catalog":"音声を見る","install":"SuperClonica エンジンをインストール"},"sources":[{"label":"Supertonic 3 のモデルカード","url":"https://huggingface.co/supertone-oss-archive/supertonic-3"},{"label":"PyPI の SuperClonica エンジン","url":"https://pypi.org/project/superclonica-cpu/"}],"published":"2026-10-24","updated":"2026-10-24","pages":[{"slug":"offline-text-to-speech","path":"/guides/offline-text-to-speech","h1":"自分のPCでテキストをオフライン読み上げする方法"},{"slug":"voice-cloning","path":"/guides/voice-cloning","h1":"ボイスクローン：録音の声に近い音声を手に入れる方法"},{"slug":"best-free-tts-models","path":"/guides/best-free-tts-models","h1":"2026年、ローカルで使える無料の音声合成モデル"},{"slug":"text-to-speech-for-videos","path":"/guides/text-to-speech-for-videos","h1":"動画、オーディオブック、ゲーム、アプリのテキスト読み上げ"},{"slug":"supertonic-3-voices","path":"/guides/supertonic-3-voices","h1":"Supertonic 3 の音声：カスタム音声の入手先と使い方"},{"slug":"python-text-to-speech","path":"/guides/python-text-to-speech","h1":"Pythonで音声合成：オフライン・無料・自然な声で"},{"slug":"javascript-text-to-speech","path":"/guides/javascript-text-to-speech","h1":"JavaScript と Node.js でテキスト読み上げ"},{"slug":"text-to-speech-api-docker","path":"/guides/text-to-speech-api-docker","h1":"Dockerで動かすセルフホスト音声合成API"},{"slug":"local-llm-text-to-speech","path":"/guides/local-llm-text-to-speech","h1":"ローカルLLMとチャットボットの音声読み上げ"},{"slug":"bulk-text-to-speech","path":"/guides/bulk-text-to-speech","h1":"スプレッドシートから一括でテキスト読み上げ"},{"slug":"character-voice-generator","path":"/guides/character-voice-generator","h1":"キャラクターの声でテキスト読み上げ：好きなキャラクターに好きなセリフを言わせる方法"},{"slug":"free-unlimited-text-to-speech","path":"/guides/free-unlimited-text-to-speech","h1":"無料・無制限・登録不要のテキスト読み上げ：自分のPCで動かす方法"},{"slug":"narrator-voice-generator","path":"/guides/narrator-voice-generator","h1":"ナレーション音声ジェネレーター：動画・オーディオブック・ポッドキャストのナレーション"},{"slug":"child-voice-text-to-speech","path":"/guides/child-voice-text-to-speech","h1":"子どもの声でテキスト読み上げ：子どもと10代のAI音声"},{"slug":"anime-voice-generator","path":"/guides/anime-voice-generator","h1":"アニメ声ジェネレーター：アニメキャラクターの声でテキスト読み上げ"},{"slug":"text-to-speech-languages","path":"/guides/text-to-speech-languages","h1":"31言語のテキスト読み上げ：1つの声でどの言語も"},{"slug":"female-voice-text-to-speech","path":"/guides/female-voice-text-to-speech","h1":"女性の声でテキスト読み上げ：自然なAI女性ボイス"},{"slug":"male-voice-text-to-speech","path":"/guides/male-voice-text-to-speech","h1":"男性の声でテキスト読み上げ：低く自然なAI男性ボイス"},{"slug":"realistic-text-to-speech","path":"/guides/realistic-text-to-speech","h1":"リアルなテキスト読み上げ：人間のように話すAI音声"},{"slug":"ai-voice-generator","path":"/guides/ai-voice-generator","h1":"AI音声ジェネレーター：既成のAI音声でテキストを音声に"},{"slug":"text-to-speech-reader","path":"/guides/text-to-speech-reader","h1":"テキスト読み上げソフト：本、PDF、記事を耳で聴く"},{"slug":"tiktok-voice-generator","path":"/guides/tiktok-voice-generator","h1":"TikTok 向け音声ジェネレーター：TikTok、ショート、リールの声"},{"slug":"dota-2-voice-generator","path":"/guides/dota-2-voice-generator","h1":"Dota 2 ヒーローの声：どのヒーローにもセリフを言わせる"},{"slug":"cartoon-voice-generator","path":"/guides/cartoon-voice-generator","h1":"カートゥーンの声：キャラクターにあなたのテキストを言わせる"},{"slug":"animatic-scratch-voice","path":"/guides/animatic-scratch-voice","h1":"アニマティック・絵コンテ用の仮音声"},{"slug":"jarvis-voice-generator","path":"/guides/jarvis-voice-generator","h1":"ジャーヴィスの声：あなたのテキストをAIアシスタントの声で"},{"slug":"darth-vader-voice-generator","path":"/guides/darth-vader-voice-generator","h1":"ダース・ベイダーの声：スター・ウォーズの声であなたのテキストを"},{"slug":"train-tts-voice","path":"/guides/train-tts-voice","h1":"自分の NVIDIA GPU で TTS の声を学習する"},{"slug":"emotional-text-to-speech","path":"/guides/emotional-text-to-speech","h1":"感情のこもったテキスト読み上げ：AI音声を表情豊かにする方法"},{"slug":"hindi-text-to-speech","path":"/guides/hindi-text-to-speech","h1":"ヒンディー語のテキスト読み上げ：ヒンディー語を読むAI音声"},{"slug":"spanish-text-to-speech","path":"/guides/spanish-text-to-speech","h1":"スペイン語のテキスト読み上げ：スペイン語を読むAI音声"},{"slug":"japanese-text-to-speech","path":"/guides/japanese-text-to-speech","h1":"日本語のテキスト読み上げ：日本語を読むAI音声"},{"slug":"russian-text-to-speech","path":"/guides/russian-text-to-speech","h1":"ロシア語で録音された声でロシア語を読み上げる"},{"slug":"portuguese-text-to-speech","path":"/guides/portuguese-text-to-speech","h1":"ポルトガル語のテキスト読み上げ：ポルトガル語を読むAI音声"},{"slug":"german-text-to-speech","path":"/guides/german-text-to-speech","h1":"ドイツ語のテキスト読み上げ：ドイツ語を読むAI音声"},{"slug":"french-text-to-speech","path":"/guides/french-text-to-speech","h1":"フランス語のテキスト読み上げ：フランス語を読むAI音声"},{"slug":"korean-text-to-speech","path":"/guides/korean-text-to-speech","h1":"韓国語のテキスト読み上げ：韓国語を読むAI音声"},{"slug":"english-text-to-speech","path":"/guides/english-text-to-speech","h1":"英語のテキスト読み上げ：英語を読むAI音声"},{"slug":"arabic-text-to-speech","path":"/guides/arabic-text-to-speech","h1":"アラビア語のテキスト読み上げ：アラビア語を読むAI音声"},{"slug":"witcher-voice-generator","path":"/guides/witcher-voice-generator","h1":"ゲラルトの声：ウィッチャーの声であなたのテキストを"},{"slug":"gta-5-voice-generator","path":"/guides/gta-5-voice-generator","h1":"GTA5の声：トレバー、フランクリン、レスターがあなたのテキストを話す"},{"slug":"audiobook-ai-voice","path":"/guides/audiobook-ai-voice","h1":"AI音声でオーディオブックを作る方法"},{"slug":"text-to-speech-for-games","path":"/guides/text-to-speech-for-games","h1":"ゲーム開発向けテキスト読み上げ：スタジオなしでNPCの声を"},{"slug":"italian-text-to-speech","path":"/guides/italian-text-to-speech","h1":"イタリア語のテキスト読み上げ：イタリア語を読むAI音声"},{"slug":"polish-text-to-speech","path":"/guides/polish-text-to-speech","h1":"ポーランド語のテキスト読み上げ：ポーランド語を読むAI音声"},{"slug":"turkish-text-to-speech","path":"/guides/turkish-text-to-speech","h1":"トルコ語のテキスト読み上げ：トルコ語を読むAI音声"},{"slug":"ukrainian-text-to-speech","path":"/guides/ukrainian-text-to-speech","h1":"ウクライナ語のテキスト読み上げ：ウクライナ語を読むAI音声"},{"slug":"vietnamese-text-to-speech","path":"/guides/vietnamese-text-to-speech","h1":"ベトナム語のテキスト読み上げ：ベトナム語を読むAI音声"},{"slug":"indonesian-text-to-speech","path":"/guides/indonesian-text-to-speech","h1":"インドネシア語のテキスト読み上げ：インドネシア語を読むAI音声"},{"slug":"meme-voice-generator","path":"/guides/meme-voice-generator","h1":"ミーム音声ジェネレーター：ミームに使える面白い声"},{"slug":"discord-text-to-speech","path":"/guides/discord-text-to-speech","h1":"Discord の読み上げを独自のAI音声で"},{"slug":"vhs-voice-over-dub","path":"/guides/vhs-voice-over-dub","h1":"VHS風吹き替え：90年代のひとり吹き替えスタイル"},{"slug":"stream-alert-voices","path":"/guides/stream-alert-voices","h1":"配信アラートの声：フォロー、サブスク、投げ銭をキャラクターの声で"},{"slug":"dutch-text-to-speech","path":"/guides/dutch-text-to-speech","h1":"オランダ語のテキスト読み上げ：オランダ語を読むAI音声"},{"slug":"swedish-text-to-speech","path":"/guides/swedish-text-to-speech","h1":"スウェーデン語のテキスト読み上げ：スウェーデン語を読むAI音声"},{"slug":"czech-text-to-speech","path":"/guides/czech-text-to-speech","h1":"チェコ語のテキスト読み上げ：チェコ語を読むAI音声"},{"slug":"greek-text-to-speech","path":"/guides/greek-text-to-speech","h1":"ギリシャ語のテキスト読み上げ：ギリシャ語を読むAI音声"},{"slug":"romanian-text-to-speech","path":"/guides/romanian-text-to-speech","h1":"ルーマニア語のテキスト読み上げ：ルーマニア語を読むAI音声"},{"slug":"hungarian-text-to-speech","path":"/guides/hungarian-text-to-speech","h1":"ハンガリー語のテキスト読み上げ：ハンガリー語を読むAI音声"},{"slug":"danish-text-to-speech","path":"/guides/danish-text-to-speech","h1":"デンマーク語のテキスト読み上げ：デンマーク語を読むAI音声"},{"slug":"finnish-text-to-speech","path":"/guides/finnish-text-to-speech","h1":"フィンランド語のテキスト読み上げ：フィンランド語を読むAI音声"},{"slug":"bulgarian-text-to-speech","path":"/guides/bulgarian-text-to-speech","h1":"ブルガリア語のテキスト読み上げ：ブルガリア語を読むAI音声"},{"slug":"croatian-text-to-speech","path":"/guides/croatian-text-to-speech","h1":"クロアチア語のテキスト読み上げ：クロアチア語を読むAI音声"},{"slug":"slovak-text-to-speech","path":"/guides/slovak-text-to-speech","h1":"スロバキア語のテキスト読み上げ：スロバキア語を読むAI音声"},{"slug":"slovenian-text-to-speech","path":"/guides/slovenian-text-to-speech","h1":"スロベニア語のテキスト読み上げ：スロベニア語を読むAI音声"},{"slug":"estonian-text-to-speech","path":"/guides/estonian-text-to-speech","h1":"エストニア語のテキスト読み上げ：エストニア語を読むAI音声"},{"slug":"latvian-text-to-speech","path":"/guides/latvian-text-to-speech","h1":"ラトビア語のテキスト読み上げ：ラトビア語を読むAI音声"},{"slug":"lithuanian-text-to-speech","path":"/guides/lithuanian-text-to-speech","h1":"リトアニア語のテキスト読み上げ：リトアニア語を読むAI音声"},{"slug":"scary-voice-generator","path":"/guides/scary-voice-generator","h1":"怖い声ジェネレーター：ホラー、悪役、悪魔の声であなたのテキストを"},{"slug":"cute-voice-text-to-speech","path":"/guides/cute-voice-text-to-speech","h1":"かわいい声でテキスト読み上げ：アニメ女子、萌え声、カートゥーン"},{"slug":"old-man-voice-generator","path":"/guides/old-man-voice-generator","h1":"おじいさんの声でテキスト読み上げ：祖父、魔法使い、賢者の声"},{"slug":"deep-voice-generator","path":"/guides/deep-voice-generator","h1":"低い声でテキスト読み上げ：低音のAI音声ジェネレーター"},{"slug":"spongebob-voice-generator","path":"/guides/spongebob-voice-generator","h1":"スポンジ・ボブの声でテキスト読み上げ：AI音声ジェネレーター"},{"slug":"batman-voice-generator","path":"/guides/batman-voice-generator","h1":"バットマンの声でテキスト読み上げ：AI音声ジェネレーター"},{"slug":"the-boys-voice-generator","path":"/guides/the-boys-voice-generator","h1":"ザ・ボーイズの声：ホームランダーとビリー・ブッチャー"},{"slug":"lord-of-the-rings-voice-generator","path":"/guides/lord-of-the-rings-voice-generator","h1":"『ロード・オブ・ザ・リング』の声：ゴラムとサルマン"},{"slug":"miside-mita-voice","path":"/guides/miside-mita-voice","h1":"MiSide のミタの声でファン動画とミームを"},{"slug":"text-to-speech-for-presentations","path":"/guides/text-to-speech-for-presentations","h1":"プレゼンのテキスト読み上げ：スライドにナレーションを"},{"slug":"rick-and-morty-voice-generator","path":"/guides/rick-and-morty-voice-generator","h1":"リック・アンド・モーティの声でテキスト読み上げ：AI音声ジェネレーター"},{"slug":"ai-podcast-voice","path":"/guides/ai-podcast-voice","h1":"ポッドキャストのAI音声：オープニング、広告読み、本編まで"},{"slug":"russian-accent-voice-generator","path":"/guides/russian-accent-voice-generator","h1":"ロシア訛りの声：ロシア語なまりの英語を読み上げ"},{"slug":"news-anchor-voice-generator","path":"/guides/news-anchor-voice-generator","h1":"ニュースキャスターの声：ニュースを読むAI音声"},{"slug":"bedtime-story-ai-voice","path":"/guides/bedtime-story-ai-voice","h1":"寝る前のお話をAI音声で：童話を読む落ち着いた語り手"},{"slug":"voice-changer-vs-text-to-speech","path":"/guides/voice-changer-vs-text-to-speech","h1":"AIボイスチェンジャーかテキスト読み上げか：必要なのはどちら"},{"slug":"text-to-speech-linux","path":"/guides/text-to-speech-linux","h1":"Linux でテキスト読み上げ：ターミナルから自然なオフラインTTS"},{"slug":"text-to-speech-windows","path":"/guides/text-to-speech-windows","h1":"Windows でテキスト読み上げ：自然な声をオフラインで WAV に"},{"slug":"text-to-speech-mac","path":"/guides/text-to-speech-mac","h1":"Mac でテキスト読み上げ：macOS で自然な声をオフラインに"},{"slug":"voicemail-greeting-generator","path":"/guides/voicemail-greeting-generator","h1":"留守電の応答メッセージ：電話に合う落ち着いたAI音声"},{"slug":"announcement-voice-generator","path":"/guides/announcement-voice-generator","h1":"館内放送・アナウンス用の音声"},{"slug":"audio-guide-voice","path":"/guides/audio-guide-voice","h1":"美術館・ツアーの音声ガイドをAI音声で"},{"slug":"escape-room-voice","path":"/guides/escape-room-voice","h1":"脱出ゲームの音声：導入、ヒント、カウントダウン"},{"slug":"ai-voice-over-for-ads","path":"/guides/ai-voice-over-for-ads","h1":"広告のAIナレーション：ラジオCM、動画広告、プロモーション"},{"slug":"ai-dubbing-same-voice","path":"/guides/ai-dubbing-same-voice","h1":"AI吹き替え：同じ声で31言語に"},{"slug":"faceless-youtube-ai-voice","path":"/guides/faceless-youtube-ai-voice","h1":"顔出しなし YouTube 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