I had some videos that played without sound and almost deleted them, then decided to see how it ran through my TV and it worked perfectly, (server is synology linux, I’m watching on windows 11) so this is a way to test if your issue is just windows. Also, opening the videos with Windows Media Player…

EAC3 audio not working in windows 11 (fix provided)

Malcolm_Powder May 12, 2025, 12:00pm 2

It was also discussed here:

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