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Home > All Category Datasets > Speech Recognition Datasets > 500 Hours Japanese-English Mixed Scripted Monologue Smartphone Speech Dataset

500 Hours Japanese-English Mixed Scripted Monologue Smartphone Speech Dataset

speech dataset

Japanese-English Mixed Speech Data

Japanese-English Mixed Scripted Monologue Smartphone Speech Dataset, collected from monologue based on given prompts. Transcribed with text content. Our dataset was collected from extensive and diversify speakers, geographicly speaking, enhancing model performance in real and complex tasks. Quality tested by various AI companies. We strictly adhere to data protection regulations and privacy standards, ensuring the maintenance of user privacy and legal rights throughout the data collection, storage, and usage processes, our datasets are all GDPR, CCPA, PIPL complied.

This is a paid dataset licensed for commercial use. Ready-made datasets are available for immediate integration into AI projects.

Specifications

Specifications

Format

48kHz, 16bit, uncompressed wav, mono channel

Recording environment

quiet indoor environment, without echo

Recording content (read speech)

general category;

Demographics

About 500 speakers.

Device

Android mobile phone, iPhone;

Language

Japanese; English

Application scenarios

speech recognition; voiceprint recognition.

Accuracy rate

Word Accuracy Rate (WAR) 98%

Sample

Sample

Audio
今のpenaltyは厳しすぎるって！
Audio
深夜の観戦中にpenaltyの判定が出て思わず叫んだ。
Audio
怖い people は、非表示。
Audio
飢えた people が来る。
Audio
ヨガの後はpepperがきいた温かいスープが、体に染み渡る感じがして好きなんだ。

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Dataset FAQs

What languages and scenarios are covered by Nexdata’s speech recognition datasets?

Nexdata offers speech recognition datasets covering a broad range of languages, dialects, and accents, backed by extensive global language resources. Our datasets include diverse speakers, acoustic environments, and real-world speech scenarios, supporting multilingual ASR, voice assistants, conversational AI, speech-to-text, and other speech-enabled applications.

Can Nexdata customize speech recognition datasets for specific languages or requirements?

Yes. If our off-the-shelf datasets do not fully meet your requirements, Nexdata provides flexible custom data collection, transcription, and annotation services. We can customize datasets based on target languages or dialects, speaker profiles, recording environments, speech scenarios, data volume, and annotation specifications to meet specific ASR development needs.

How does Nexdata ensure the quality and scalability of speech recognition datasets?

Nexdata applies multi-stage quality control throughout speech data collection, transcription, annotation, and validation. Combined with our extensive language resources and scalable collection capabilities, we can support both large-scale multilingual projects and specialized datasets for specific languages, dialects, accents, and speech scenarios.

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