I don't think there's any human voice in the short audio clip - what should I do?

If you don't think any human voice in the short audio clip, then it goes to the junk category.

What if I hear a human voice as well as something else?

If you can hear someone clearly and above all other noise, and you can tell their age and whether they are producing consonants and/or vowels, please classify it. Otherwise, it goes into "junk".

What if I hear multiple human voices in a clip?

If there are multiple speakers and you can make out their age and whether they are producing consonants and/or vowels, please answer for the loudest speaker you hear. If you can't make out the individual speakers' voices, please mark it as "junk".

If I make a mistake or change my mind, can I return to the clip to correct my classification?

No, you cannot return to a clip to correct your classification, but do not worry about it! Your best guesses contribute to a collection of responses that lead us to the right answer. Since every clip is classified by multiple volunteers, any mistakes are eventually outweighed by the larger number of correct answers.

How can I see how many clips I have classified?

i. Log in to your Zooniverse account.
ii. Click on your user name in the upper right hand corner and select Profile.
iii. Select the tab “Your Stats”. This will show you all of the classifications that you have done for each Zooniverse project.

How can I discuss a clip with others?

When you have finished classifying the image and clicked the “Done” button, you will be directed to a page with a summary of your classification along with “Done” and "Done and Talk" buttons. If you click on the “Done and Talk” button, you will be brought to the discussion boards for the project you're working on. Here you can add hashtags to the clip, add the clip to your collection, like the clip, or ask a question about it.

Why are the clips so short?

We have to keep all of our clips at 500ms, to protect the privacy of individuals recorded. As this is speech recorded in the child's natural environment, i.e. their home, it is important that the people involved are not identifiable!
We know that these short vocalizations can be very ambiguous: in this case, following your intuition is really the way to go. When classifications are analyzed, we take into account the agreement between annotators, to ensure every classification meets a minimum level of agreement.

What if I hear something in a clip that I want to tell the scientists about?

Click on the “Talk” button and add a comment to the clip. Our moderators check comments frequently and will be happy to hear from you.

How will this information be used?

Visit the About tab to learn more about our goals and the scientists involved.

Can I share clips from this project?

Yes, but please ascribe credit for the files you are sharing to “Who's talking how?” and refer to our Creative Commons Attribution 4.0 International License. To view a copy of this license, visit Creative Commons.

Technical issue: sound is not playing!

Users have reported that sometimes the audio clips are just not playing: we have found that a quick solution to this is to refresh the browser page. If none of these works, changing browser will fix the issue!

I have a question that is not on this list - what should I do?

You can click “Talk” at the top of the page and the forums (under "Help) to look through questions and answers others have provided.

I want to leave you feedback on this project

You can do this via this form