I need to find a decent online annotation tool to transcribe audio.

There are some requirements for a potential tool:

  • I should be able to deliver audio files to a few labelers. I should
  • be able to track which files went to which labeler.
  • It should be safe in terms of data storage.

Any suggestions?


1 Answer 1


I'm not sure if it meets all your criteria (mostly because I'm not sure I understand all your criteria!), but you could have a look at ELAN:

Description: With ELAN a user can add an unlimited number of textual annotations to audio and/or video recordings. An annotation can be a sentence, word or gloss, a comment, translation or a description of any feature observed in the media. Annotations can be created on multiple layers, called tiers. Tiers can be hierarchically interconnected. An annotation can either be time-aligned to the media or it can refer to other existing annotations. The content of annotations consists of Unicode text and annotation documents are stored in an XML format (EAF).

See also the Wikipedia page about ELAN. There is also a Wikipedia list of related software, I don't know if this is relevant.

  • $\begingroup$ thanks! ELAN looks great, but I need an online tool, rather than a one which needs to be installed $\endgroup$
    – Aidos
    Commented May 24, 2020 at 19:12
  • 1
    $\begingroup$ @Aidos oh right, I overlooked this requirement. there are a few web-based tools in the wikipedia list (last link), maybe it can help? $\endgroup$
    – Erwan
    Commented May 24, 2020 at 19:39
  • $\begingroup$ Hi there, Spacy has a beta version of audio annotation interface so do check out. It's rather basic but may be enough for your use. $\endgroup$
    – Blue482
    Commented Jun 3, 2020 at 2:19

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