This sounds like https://bugzilla.mozilla.org/show_bug.cgi?id=1169212 which landed on nightly (Firefox 45) a couple of weeks ago, so my guess is it's a version difference.
-r On Thu, Dec 10, 2015 at 1:30 PM, David Walsh <[email protected]> wrote: > Hello All, > > One of our partners is having an audio issue which has them stalled. They > receive the following error when trying to get their audio playing going > within Firefox OS: > > HTTP "Content-Type" of "audio/aacp" is not supported. Load of media resource > (redacted) failed. > > I’ve been able to duplicate the problem in that their audio plays on Firefox > Nightly desktop but no audio plays within the Firefox OS Simulator (for TV) > browser. Their console.log usage also shows that their audio ping is failing. > > Could someone help us determine what the issue is? Is the simulator and/or > Firefox OS release behind? Please let me know! > > David > _______________________________________________ > dev-media mailing list > [email protected] > https://lists.mozilla.org/listinfo/dev-media _______________________________________________ dev-media mailing list [email protected] https://lists.mozilla.org/listinfo/dev-media

