Glad to hear that you have your audio player working the way you want it to now. Don't forget, the order of filters is not so critical now, as the last few versions of Moodle will let you specify which filter to use for each activity. When you are viewing any activity - forum, assignment, book, lesson, etc. in the administration block for the activity, you can click on Filters and will be shown a list of all those filters you have active. You can then specify which ones are on or off and eliminate conflicts such as having two audio players showing for the same audio file. I use this capability so that I can render math examples/equations correctly without having to go and rewrite questions, lessons, and tutorials I've created over the years.