Convert Japanese speech to text with high accuracy, low latency, and enterprise-grade scalability. Deepgram delivers real-time and batch transcription through a developer-first speech-to-text API.
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Get real-time Japanese speech-to-text in under 300 ms while maintaining high accuracy in noisy, accented, or overlapping conversations.
Speakers: 124-125 million native speakers
Regions: Japan (primary), with diaspora communities in the United States, North and South America, Europe, and Australia
Dialects: Tokyo (Standard Japanese), Kansai, Kyushu, Tohoku, Hokkaido, Okinawan
Writing system: Hiragana, Katakana, and Kanji
Language family: Language isolate
Japanese is widely used across Japan's high-tech industries, healthcare, media, and education sectors, making it a key language for call analytics, customer support AI, anime and media captioning, medical transcription, legal documentation, and multilingual voice agents.
Deepgram includes everything required to produce accurate, readable, and secure Japanese transcripts out of the box.
Automatically detect and label who is speaking in multi-speaker Japanese conversations.
Apply automatic capitalization, paragraphing, and clean transcript structure for Japanese text.
Instantly find words or phrases inside long Japanese recordings without reprocessing audio.
Segment streaming Japanese audio into real-time sentence-level units for voice agents.
Add accurate punctuation and capitalization to Japanese transcripts for easy reading.
Automatically remove sensitive data like credit cards, phone numbers, and PII from Japanese transcripts.
Keyterm prompting for Japanese
Boost recognition of brand names, product terms, and domain-specific vocabulary in Japanese audio to improve keyword recall and transcript accuracy.
Automatic language detection
Identify when audio is spoken in Japanese and transcribe it without pre-selecting a language. For mixed-language datasets, sources, and batch transcription pipelines.
Multilingual speech recognition
Transcribe audio where speakers switch between Japanese and other supported languages in the same stream without model swapping or post processing required.
Start with Japanese speech-to-text, then expand to 45+ languages using the same API, models, and tooling.
Start transcribing Japanese audio with Deepgram's speech to text API. It is fast, accurate, and built for real-time applications.
