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Captures the way people actually talk — unscripted, in-the-wild, full of the natural messiness of real life. Every clip ships with a verbatim transcription and rich speaker metadata (speaker ID, gender, and more).Built from a large, geographically diverse pool of speakers across Russia, so your models train on the accents, dialects, and speaking styles they'll meet in production. Quality-tested by leading AI teams and proven on the kind of complex, real-world tasks that actually matter.Privacy is baked in from day one. We follow strict data protection and privacy standards across collection, storage, and usage — and every dataset is fully compliant with GDPR, CCPA, and PIPL.
This is a paid dataset licensed for commercial use. Ready-made datasets are available for immediate integration into AI projects.
Specifications
Format
16kHz, 16bit, mono channel;
Language
Russian;
Annotation
annotation for the transcription text, speaker identification, gender;
Application scenarios
speech recognition, video caption generation and video content review;
Accuracy
at a word Accuracy Rate (WAR) of being no less than 98%.
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.
Specifications
Sample
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