AdsWizz Insertion Suite is a comprehensive and flexible solution for dynamic audio ad insertion, offering publishers powerful tools to optimize the monetization of their audio content while providing a targeted and relevant advertising experience to listeners.
If you are using Adswizz insertion suite, you can leverage you first-id integration by sending the signal to Adswizz, Since it supports unified ids.
How Can I do that ?
the Ad request can then contain the first-id available on the page where the audio player is present.
The ad request will have this form :
uids=[{"source":"first-id.fr","id":"d533f51461514de0be49bc70c115db6b","atype":1},
Please get in touch with your Adswizz account manager to get a more detailed method for integration