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435 Hours European Spanish Speech Dataset for ASR, Smart Home & In-Car Voice AI

european spanish speech dataset
spanish spain speech dataset
spanish speech dataset
spanish audio dataset
european spanish asr dataset

This dataset contains 435 hours of European Spanish scripted speech recorded by 989 native speakers. The dataset includes read monologues based on predefined prompts across general speech, news, numbers, human-machine interaction, smart home command and control, and in-car voice command scenarios. Each recording includes transcription text and speaker metadata. 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, uncompressed wav, mono channel;
Recording condition
Low background noise(indoor), without echo;
Content category
Generic domain; news; human-machine interaction; smart home command and control; in-car command and control; numbers
Recording device
Android Smartphone, iPhone;
Speaker
989 speakers totally, with 49% male and 51% female ; and 57% speakers of all are in the age group of 17-25,39% speakers of all are in the age group of 26-45, 4% speakers of all are in the age group of 46-60;
Country
Spain(ESP);
Language(Region) Code
es-ES;
Language
Spanish;
Features of annotation
Transcription text;
Accuracy Rate
Sentence Accuracy Rate (SAR) 95%
Sample Sample
  • Audio

    Quiero que apagues la televisión.

  • Audio

    El comentario que acompaña la foto es claro a este respecto: Mamá, por favor, dónde está ese peto

  • Audio

    Las siete horas,veinticuatro minutos y treinta y cinco segundos.

  • Audio

    No se imagina lo que significa para mí.

  • Audio

    ¿Qué temática tiene la película? Tenemos que hablar de Kevin

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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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