License:
CC-BY-SA-4.0
Steward:
MDC Community ConciergeDataset ID:
cmo29suhm00gjo2078rhmqn3p
Release Date: 4/17/2026
Format: MP3, TSV
Size: 201.79 MB
A corpus of read speech by learners of English living in Mexico. The current version represents 8 speakers and makes up nearly 8 hours of recorded speech.
Licensing
Creative Commons Attribution Share Alike 4.0 International (CC-BY-SA-4.0)
https://spdx.org/licenses/CC-BY-SA-4.0.htmlRestrictions/Special Constraints
N/A
Forbidden Usage
You agree not to attempt to determine the identity of speakers in this dataset
Any attempt to clone the voice or train models that imitate the speakers in this dataset is forbidden
Intended Use
- ASR for English learners - Language learning applications - Linguistics research into second language learning
This dataset contains read speech recordings from 8 English language learners from Mexico.
The dataset contains a tsv file, metadata.tsv, with the following columns:
speaker_id-audio_idThe source text consists of 1,000 sentences taken from this multilingual readability corpus. The sentences are from OpenSubtitles, and are between 1 and 10 words long.
The 8 speakers are all L2 English learners living in Mexico. All but one speak only Spanish natively (the remaining speaker is a native bilingual of Nahuatl and Spanish). Their ages are between 18-40.
Some of the speakers answered a short survey about their language experience. The answers are stored as text files in the speaker_questionnaires directory.
Compensated · similar languages
High-specularity optical edge-case dataset (425 assets) for benchmarking computer vision and autonomous navigation against severe specular reflections.
Versioned software-engineering corpus with code, configuration, workflows, and AI-tooling artifacts across frontend, backend, cloud, and infrastructure.