Audio FormatDue to differences in programming tools and other factors, some of the file formats that are listed may not be supported.The listed formats may not be supported depending on the model.For 4k models:ContainerAudio CodecFile Extension NameWAVMpeg1/2 Layer1.wavMP3Mpeg1/2 Layer2.mp3Mpeg1/2 Layer3AACAAC, HEAAC.m4a .aacWMAWMA.wmaWMA ProPCMLPCMN/AADPCMAC-3AC-3.ac3 .m4aFLAC FLAC.flacOPUSOPUS.opusFor 2k models:ContainerAudio CodecFile Extension NameWAVMpeg1/2 Layer1.wavMP3Mpeg1/2 Layer2.mp3Mpeg1/2 Layer3AACAAC, HEAAC.m4a .aacWMAWMA.wmaWMA ProPCMLPCMN/AADPCMAC-3AC-3.ac3 .m4aFLACFLAC.flacOPUSOPUS.opus