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I have a Sambung blu-ray, model : BD-JM 51 (BD-J5100) The blu-ray will play anything from blu-ray to dvd to dvd-r to cd-r. I received a dvd-r containing .avi, .mkv and .mov files. They all play BUT the .mov files don’t have any sound (anymore?). I am not 100% certain but I think I was able to watch some of them with sound before. When I clicked on one of those .mov files and for the first few seconds, I can see a box which mentions that there are missing Codec. (or that the Codec can play it or somethign similar) What do I need to do to fix the situation and hear the sound? Thanks PS : I do have sound when trying them in my little computer screen

lizzyborden3 the Samsung BD-JM 51 (BD-J5100) does not support the mov format. That is why you get the error about the codec. Your BR player cannot properly decode the information from the mov file. Here are the formats that are supported:

Do you control the BD with your computer (Like does it work as ODD) or does it have it’s own OS (Operating System). I can’t seem to find this anywhere. Also if there’s problems with the audio it might be the files itself, they can be corrupted/damaged. Also is this with only the .mov file you’re trying to open or every .mov file?

Modern .mov files are Quicktime containers for mp4 (m4v) video files and some audio file. It sounds like the current ones you have are using standard m4v streams, but the audio format has changed to something that the Samsung no longer recognizes. Try a) downloading the latest firmware from Samsung for the player b) on the PC/MAC, download QuickTime player. Open the ones you cannot hear on the Samsung, and convert them by going to File –> Save As, or Export (depends on the version), and change the audio format to one supported by the Samsung.