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Home > All Category Datasets > Speech Recognition Datasets > 500 Hours - Full-Duplex Hong Kong Cantonese Spontaneous Dialogue (Bilingual Annotated) Speech Data

500 Hours - Full-Duplex Hong Kong Cantonese Spontaneous Dialogue (Bilingual Annotated) Speech Data

full-duplex dataset

Cantonese Spontaneous Dialogue

Cantonese speech dataset

nexdata

Full-Duplex Hong Kong Cantonese Spontaneous Dialogue (Bilingual Annotated) S, transcribed with text content, timestamp, speaker's ID, gender and other attributes. 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

48 kHz, 32 bit, uncompressed wav, mono channel，speaker channel separation;

Content category

Dialogue based on given topics

Recording condition

Low background noise (indoor)

Recording device

microphone

Language(Region) Code

yue-HK

Language

Cantonese

Features of annotation

Transcription text, timestamp, speaker ID, gender, noise,Standard Mandarin explanation

Accuracy rate

character accuracy rate(CAR) 98%

Sample

Sample

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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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