Update README.md

README.md

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----
-license: cc-by-nc-nd-4.0
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+---
+license: cc-by-nc-nd-4.0
+task_categories:
+- automatic-speech-recognition
+language:
+- ja
+tags:
+- audio
+- speech
+- speech recognition
+- machine
+- machine learning
+- Japanese
+size_categories:
+- n<1K
+---
+# 🎧 Japanese Speech Dataset
+
+The **Japanese Speech Dataset** is a production-ready **speech audio dataset** designed to provide high-quality, structured **audio data** for AI and machine learning applications. It includes **132 hours of audio data** distributed across **733 files**, available in **MP3 and WAV formats**, with a total size of **272 MB**. This well-balanced **audio dataset** delivers diverse **voice data**, with **54% female and 46% male speakers**, and an age distribution spanning from **18 to 50+ years**. The **dataset language** is Japanese, covering speakers from Japan and global diaspora communities, which strengthens its value as a representative **language speech dataset** for real-world environments.
+
+---
+
+🔗 **Learn more:**  
+https://speech-data.ai/datasets/japanese/
+
+---
+
+## 🚀 Use Cases
+
+This **Japanese speech dataset** is well-suited for a wide range of AI applications, including **speech recognition**, voice assistant development, and natural language processing. The structured **speech data** supports advanced workflows such as acoustic modeling and speaker identification, making it a reliable **speech recognition dataset** for scalable AI systems. It is also applicable in multilingual environments where consistent and high-quality **audio data** is essential for model training and evaluation.
+
+---
+
+## 📊 Dataset Metadata
+
+| Field            | Value                                                                 |
+|------------------|-----------------------------------------------------------------------|
+| 📜 License        | CC BY-NC-ND 4.0                                                      |
+| 🎯 Task Categories | Automatic Speech Recognition                                         |
+| 🌍 Language       | Japanese (ja)                                                        |
+| 🏷️ Tags          | Audio, Speech, Speech Recognition, Machine, Machine Learning, Japanese |
+| 📦 Size Category  | n < 1K                                                               |
+
+---
+
+## ⭐ Key Value
+
+The key value of this **voice dataset** lies in its structured format, demographic balance, and linguistic coverage. It provides high-quality **speech data** that enhances model robustness and accuracy. This **speech dataset** is a dependable resource for building scalable, high-performance voice-enabled AI systems.
+
+---