Hi, I have also observed the same error Unsupported audio track codec: Unknown for the below unencrypted playlist when i run with media stream validator (version - v1.20.7). Unsupported audio track codec: Unknown Rendition #5 Below is the playlist; #EXTM3U #EXT-X-VERSION:5 #EXT-X-INDEPENDENT-SEGMENTS #EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=audio-ac3,LANGUAGE=en,NAME=English,AUTOSELECT=YES,CHANNELS=6,URI=var7031966/aud135/playlist.m3u8?device_profile=hls #EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=audio-aac,LANGUAGE=mul,NAME=Multiple,AUTOSELECT=YES,CHANNELS=2,URI=var7031966/aud138/playlist.m3u8?device_profile=hls #EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID=audio-aac,LANGUAGE=ang,NAME=Old English,AUTOSELECT=YES,CHANNELS=2,URI=var7031966/aud139/playlist.m3u8?device_profile=hls #EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID=subs,LANGUAGE=en,NAME=English,AUTOSELECT=YES,URI=subs/eng_2/playlist.m3u8?device_profile=hl s #EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=6700000,CODECS=ac-3,avc1.64002a,RESOLUTION=1920x1080,AUDIO=a