Visual Bank Expands “Qlean Dataset” to Support Large-Scale Japanese Speech Foundation Models
Delivering 100,000+ hours of rights-cleared Japanese audio, including regional dialects and culturally contextualized speech essential for commercial AI development.
Visual Bank Group, leveraging over 40 years of expertise through amanaimages Inc., expands Qlean Dataset, delivering high quality, rights cleared Japanese language corpora, including 100,000+ hours of commercially usable audio.
Key Features for AI Developers
·Rights-Cleared Data for Commercial Use
All datasets are fully rights-cleared for commercial use and aligned with global compliance standards such as GDPR and CCPA.
·High-Fidelity Audio Assets
Recordings at 48kHz/16bit or higher capture both studio-quality speech and acoustic environments.
·Expert Human Annotation
Native-level transcripts and structured metadata provide training-ready datasets for AI development.
·Safety and Moderation Datasets
Datasets support detection of harmful language, including hate speech and abusive prompts.
·Japanese Evaluation Datasets
Evaluation datasets are aligned with international benchmarks such as MMSU to measure reasoning and linguistic nuance in Japanese.
·Japan-Specific Acoustic Environments
Japan-specific audio, including traditional instruments, shrines, and urban environments, supports multimodal and spatial AI.
These datasets are available through AI Data Recipe, a flexible offering that provides both ready-to-use datasets and custom data production, including speaker casting, recording, and annotation tailored to specific model architectures and development needs.
“As demand for culturally contextualized foundation models grows, high-quality, legally compliant Japanese training data is becoming increasingly critical,” said Saneyuki Nagai, CEO of Visual Bank Inc. “Visual Bank is committed to bridging the gap between raw content and production-ready AI systems through rigorous data preparation and engineering.”
AI Data Recipe
https://qleandataset.visual-bank.co.jp/en/lineup
Japanese Language Corpora
https://qleandataset.visual-bank.co.jp/en/products/japanese-language-corpora
View source version on businesswire.com: https://www.businesswire.com/news/home/20260401752248/en/
Website: https://qleandataset.visual-bank.co.jp/e...
Contact
Visual Bank Inc.
qlean-dataset@visual-bank.co.jp
This news is a press release provided by Visual Bank Inc..
