Speech Dataset

Japanese Speech Dataset

9 licensable sets · 4 dataset types · 1 country

9 licensable Japanese speech sets: 14,735 hours across 4 dataset types, sampled at 16–44 kHz in mono and dual channel.

Overview

Available sets

Volumes are as reported by the sourcing partner; confirmed at scoping. Pricing is quoted per audio hour.

Language & Accent · Country	Dataset Type	Volume	Audio Channel	Audio Frequency
JapaneseJapan	General Conversation	2,000 hours	Dual	16 kHz
JapaneseJapan	General Conversation	150 hours	Dual	16 kHz+
JapaneseJapan	General Conversation	50 hours	Dual	16 kHz
JapaneseJapan	General Conversation	45 hours	Mono	16 kHz
JapaneseJapan	Physician Dictation	8,000 hours	Mono	16 kHz+
JapaneseJapan	Physician Dictation	950 hours	Mono	16 kHz+
JapaneseJapan	Scripted Monologue	1,500 hours	Mono	16 kHz+
JapaneseJapan	Scripted Monologue	40 hours	Mono	44 kHz+
JapaneseJapan	Utterance	2,000 hours	Mono	16 kHz+

Diverse & RepresentativeBroad speaker coverage for inclusive, real-world AI.
High-Quality AudioClean, balanced recordings for reliable model performance.
Ready for AI/MLStructured and annotated for seamless integration.
Scalable & FlexibleMultiple durations, speakers, and domains to fit your needs.

Trusted by leading AI teams and enterprises worldwide.

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