iHEARu-PLAY is a citizen science project focusing on voice and speaker recognition research.

With your help, we will be able to take state-of-the-art methods to the next level, together! Click below to learn how to contribute to science simply by playing iHEARu-PLAY in your browser, for free.

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New iHEARu-PLAY Link
Nov. 14, 2017, 8:35 a.m.

Dear iHEARu-PLAY users,

we are very happy to inform you, that we have moved all code and data to a new, even more data protected server. From now on you can reach us via this link:


We are currently working on more features. Stay tuned, Christmas is coming soon :)

Update: Integrating the speech analysing tool VoiLA
May 19, 2017, 11:32 a.m.

We would like to introduce VoiLA, our new feature where you can analyse your speech according to your gender or emotional state. Check it out and we are happy to get your feedback!
Furthermore we have worked on several improvements to make iHEARu-PLAY even better. Another new update will be coming shortly, making it possible to load the play website faster again. Thank you very much for your patience.
We are very thankful for all your Support and your Feedback and hope you are happy with our new update!

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  Dataset of the week

The maturity of baby sounds – Part 2

Even before children say their first words, we can learn a lot about their language development from the sounds that they make. This dataset contains very short recordings of babies making some of these sounds. Sometimes there may be other sounds that are not from the baby such as a parent or a television in the background.

You will label the...

Play this dataset