# My media file in my flow is not playing
When you add a 'Play a sound file' step in your flow, the URL of the media file to play should be a WAV file (8 kHz, 16 bit).
Just copy and paste the URL in the required file and click on save when ready.
If your audio file is in a format different than WAV, for example, MP3, WMA, OGG, AAC, FLAC, you can use an *online* [*WAV converter*](https://audio.online-convert.com/convert-to-wav) to turn your file into WAV format. Don't worry about the specificities (8 kHz, 16 bit), once you convert the file it will automatically comply with those.
Do note you will have to store the WAV file on a public domain, otherwise we cannot access the file and play it.
If you are still facing issues with the audio file not being played correctly, please reach out to our Support team via [this page](https://www.messagebird.com/contact) with the following information:
* The issue you are facing
* What flow has been affected
* The relevant timestamp
* The link URL of your audio file
* Any error you may have received
We'll be more than happy to help out!
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