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Home > All Category Datasets > Speech Recognition Datasets > 919 Hours European Portuguese Speech Dataset for ASR & Conversational AI

919 Hours European Portuguese Speech Dataset for ASR & Conversational AI

european portuguese speech dataset
portuguese audio dataset
portuguese voice dataset
portuguese speech corpus
portuguese speech dataset

This dataset contains 919 hours of European Portuguese speech data collected from natural real-world conversations and monologues. The dataset was collected from a diverse group of European Portuguese speakers, reflect authentic spoken interactions across diverse scenarios. Each audio sample includes accurate transcripts, speaker ID, gender, and additional metadata. The dataset was collected from a diverse group of European Portuguese speakers, 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.

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SpecificationsSpecifications
Format
16kHz, 16bit, mono channel;
Content category
including conversation, etc.
Recording environment
Low background noise;
Country
Portugal(PRT);
Language(Region) Code
pt-PT;
Language
Portuguese;
Features of annotation
Transcription text, timestamp, speaker ID, gender, noise;
Accuracy
Word Accuracy Rate (WAR) 98%
Sample Sample
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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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