Strengthened by its experience and knowledge in Language Resources, ELRA and ELDA offer production services available to everyone interested in Human Language Technologies.

You may contact us ( if you would like to produce new Language Resources to help you build, improve or evaluate natural language and speech algorithms or systems. Those Language Resources may be also used as core resources for the software localization and language services industries, language studies, electronic publishing, international transactions, subject-area specialists and end users.

ELDA benefits from a large network of partners all over the world and can provide Language Resources in various languages. ELDA has already compiled Language Resources in more than 25 languages. Besides, the highest quality of resources is guaranteed through a strict validation procedure (see the Validation section).


Speech/Video Data Collection

  • Management of the data collection team and recruitment of speakers all over the world
  • Collections of recordings in different scenarios: in cars, public places, offices, etc.
  • Transcriptions and annotations of audio and video data
  • Validation

Written Data Collection (corpora and lexica)

  • Preparation of raw data
  • Annotations
  • Validation

Data creation for specific technologies and/or evaluation campaigns


  • Machine translation
  • Speech language translation
  • Automatic summarization
  • Question Answering
  • Automatic Speech Recognition (ASR)
  • Spoken Language Translation (SLT)
  • Text To Speech synthesis (TTS)