Multi audio support

Hi Kaltura comunity,
I installed successfuly Kaltura CE newest version (11.17.0). Everything works correctly.
I read change log Kaltural support multi audio

  • PLAT-5521 - Multi audio support - create infra language manager

How to build Kaltura Player with multi audio track selective ?
Any help would be greatly appreciated

Thanks and Regards.
Truong Vo