https://community.sony.bg/t5/1-series/how-to-turn-on-4k-mode/m-p/3637735#M2750 <P>If the audio track is not compatible then your best bet is a video converter tool which allows transcoding of the audio only, rather than the video as well because doing the latter can be extremely time consuming. I'm on a Mac and use Smart Converter Pro.</P><P>That said, all the 4k movies I have tried have played perfectly. Whether you could tell the difference between 4k and 1080p however, is a moot point.</P> Sat, 15 Jun 2019 16:07:21 GMT Chippy_boy 2019-06-15T16:07:21Z https://community.sony.bg/t5/1-series/how-to-turn-on-4k-mode/m-p/3637734#M2749 <P>xperia 1</P><P>i have a movie in 4K format</P><P>however , when i open it with the built-in video software ,&nbsp; sound cannot be played .&nbsp; The audio coding is&nbsp; DD+.</P><P>when i use a third-party player&nbsp; (like "kodi"), it cannot turn on the 4K mode</P><P>so,how can i watch the 4k movie in 4k mode</P> Fri, 14 Jun 2019 11:29:31 GMT https://community.sony.bg/t5/1-series/how-to-turn-on-4k-mode/m-p/3637734#M2749 icecreamL 2019-06-14T11:29:31Z https://community.sony.bg/t5/1-series/how-to-turn-on-4k-mode/m-p/3637735#M2750 <P>If the audio track is not compatible then your best bet is a video converter tool which allows transcoding of the audio only, rather than the video as well because doing the latter can be extremely time consuming. I'm on a Mac and use Smart Converter Pro.</P><P>That said, all the 4k movies I have tried have played perfectly. Whether you could tell the difference between 4k and 1080p however, is a moot point.</P> Sat, 15 Jun 2019 16:07:21 GMT https://community.sony.bg/t5/1-series/how-to-turn-on-4k-mode/m-p/3637735#M2750 Chippy_boy 2019-06-15T16:07:21Z