Japanese Transcription

Transcribe Japanese audio to text with AI

Upload Japanese recordings and get accurate transcripts in minutes. Speak AI handles three writing systems, keigo honorific levels, and word boundary detection with speaker identification, AI summaries, and NLP analytics. Used by 250,000+ people and teams.

7日間無料トライアル。. 30分 個人のメールアドレスで、, 60分 仕事用メールアドレスで。.

アップロード & 統合

オーディオファイルを直接アップロードするか、Dropbox または Google Drive からインポートするか、 AIノートテイカー Zoom、Teams、Meet のコールに自動的に参加します。

ズーム
グーグルミーティング
マイクロソフトチーム
Dropbox
Googleドライブ
ザピア

信頼できる 25万人以上の人々とチーム

Why Japanese transcription needs specialized AI

Japanese transcription presents unique challenges that set it apart from most other languages. With three active writing systems used simultaneously, no spaces between words, and a complex honorific s…

Three scripts, one sentence

Japanese blends kanji, hiragana, and katakana within a single sentence. Speak AI’s models correctly select the right script for each word in the transcript.

No spaces between words

Unlike English, Japanese has no word boundaries. The transcription engine must parse continuous character streams into meaningful words using contextual understanding.

Honorific complexity (keigo)

Formal, humble, and casual speech use entirely different vocabulary and verb conjugations. Accurate transcription must capture the correct register.

More than transcription: a complete Japanese audio analysis platform

Speak AI goes beyond speech-to-text with AI summaries, keyword extraction, sentiment analysis, and multi-model AI Chat for your Japanese recordings.

AIによる転写 100以上の言語に対応

Upload any audio or video format. Speak transcribes Japanese with multiple engines for optimal accuracy.

話者識別

Detect and label speakers throughout your Japanese recordings. Essential for meetings, interviews, and discussions.

AIが生成した要約

Structured summaries with key points, decisions, and action items from Japanese audio.

キーワード抽出とNLP

Identify important terms, topics, and named entities across your Japanese recordings.

センチメント分析

Measure emotional tone in Japanese conversations automatically.

マルチモデルAIチャット

Ask questions about any Japanese recording or across your library. Powered by Claude, Gemini, and GPT.

AIエージェント

Automated workflows that transcribe, summarize, and report on Japanese audio without manual steps.

翻訳と字幕

Transcribe Japanese audio and 翻訳 英語または他の言語に対応。SRT/VTT をエクスポート。

エクスポートして共有する

Word、CSV、PDF、またはSRTにエクスポートします。フォルダとZapierで共有します。

How teams use Japanese transcription

Japanese transcription powers critical workflows across business, research, media, legal, and government sectors.

Business meeting minutes (gijiroku)

Japanese corporate culture requires detailed meeting minutes. Transcribe with accurate keigo and speaker identification.

Customer service documentation

Transcribe Japanese customer calls with honorific accuracy for compliance and quality assurance.

Media and entertainment

Transcribe anime, film, broadcast, and podcast content. Generate SRT subtitles for Japanese video.

法的手続き

Document Japanese court sessions and depositions with accurate timestamped transcripts.

Content creation

Transcribe Japanese YouTube and podcast content for repurposing, SEO, and accessibility.

How to transcribe Japanese audio with Speak AI

無料アカウントを作成

Speak AI にサインアップ メールアドレスで登録します。無料7日間トライアルで30分のトランスクリプション(仕事用メールの場合30分)をご利用いただけます。クレジットカードは不要です。

Upload your Japanese audio or video

Drag and drop your Japanese recording in any common format: MP3, WAV, M4A, MP4, MOV, OGG, and more. You can also paste a link from YouTube or Vimeo, or connect your calendar so the AIノートテイカー 会議に自動的に参加します。

文字起こしエンジンを選択してください

Speak AI offers multiple transcription engines. Choose the one that delivers the best accuracy for your Japanese audio quality and recording conditions.

トランスクリプトとAI分析を取得

Within minutes, you receive a full Japanese transcript with speaker labels, an AI-generated summary, extracted keywords and entities, and sentiment analysis. Everything is stored in your searchable library.

クエリ、エクスポート、共有

Use AI Chat to ask questions about your Japanese transcripts. Export to Word, CSV, PDF, or SRT. Share with your team through permissions and shared folders. Connect with Zapier for automated workflows.

Japanese transcription in 2026

Japanese transcription presents unique challenges that set it apart from most other languages. With three active writing systems used simultaneously, no spaces between words, and a complex honorific system (keigo) that changes vocabulary and grammar based on social relationships, Japanese requires purpose-built transcription technology. スピークAI handles the full range of these challenges, outputting text across kanji, hiragana, and katakana while correctly parsing word boundaries.

Japanese transcription for business

Japan’s corporate culture places high value on detailed meeting records (gijiroku), and keigo nuances must be captured correctly. Speak AI supports Japanese audio and video transcription with analysis tools for search, categorization, and insight extraction at scale.

Teams は Speak AI の文字起こしと分析機能を信頼しています

★★★★★
4.9 G2で

“「高精度、多言語対応、洞察力に富んだ分析。 グーグル そして ザピア あらゆることを効率化しやすくする。”

フォルカー B. COO、G2レビュー

“「私はSpeak inを使用しています フランス語と英語 最大2時間の会議に活用しています。時間の節約になり、報告書の精度も向上します。」”

フランソワ L. ファイナンシャルアドバイザー、G2レビュー

“「私たちは 数週間 定性分析の ある日. 使いやすく、導入も簡単で、サポートも素晴らしかったです。”

コナー H. データアナリスト、G2レビュー

“「会議の記録や文書をまとめて、要約してくれるんです。重要なポイントを見逃すこともなく、時間も大幅に節約できます。」”

エルカン T. ビジネス開発、G2レビュー

“「以前はメモを書き写すのに45分から30分かかっていた。今は , そして、私は数分でこれを書いています。」”

テッドH. ビジネスオーナー、G2レビュー

“「使い方も簡単で、実際に製品開発チームと連絡を取ることができます。 本物の人間.」”

マルクス B. 医療ディレクター、G2レビュー

よくある質問

Common questions about Japanese transcription, language support, and how Speak AI works.

How accurate is Japanese transcription with Speak AI?

For clear Japanese audio, Speak AI delivers high accuracy across kanji, hiragana, and katakana output. Multiple engines let you optimize for your recordings.

Can it handle keigo and casual speech?

Yes. Speak AI’s models are trained on formal, polite, humble, and casual Japanese registers.

Does it correctly insert word boundaries?

Yes. Despite Japanese having no spaces, the transcription engine segments text into properly bounded words.

Can it handle katakana English loanwords?

Yes. English loanwords adapted into Japanese (katakana English) are correctly recognized and rendered.

How does it handle Japanese homophones?

Speak AI uses contextual models to disambiguate homophones and select the correct kanji characters.

Can I search and analyze Japanese transcripts?

Yes. Full-text search, keyword extraction, sentiment analysis, and AI Chat work with Japanese text.

どの形式がサポートされていますか?

一般的なすべての形式: MP3, ウエーブ、M4A、 MP4, MOV, OGG, FLAC, WebM. Also YouTube links.

裁判はありますか?

7 日間の無料トライアル(30 分、仕事用メール登録で 60 分)。完全アクセス。クレジットカード不要。

Start transcribing Japanese audio today

Upload your first Japanese recording and see the difference. Accurate transcription, AI summaries, speaker identification, NLP analytics, and multi-model AI Chat included in every plan.

セルフサービスを始める

Create a free account and upload your first Japanese recording. Get a transcript with AI analysis during your 7-day trial. No credit card required.

私たちのチームと一緒に働きましょう

Need help rolling out Japanese transcription across your organization? We help teams set up workflows, configure integrations, and build custom reporting.