Hi, I’m making the jump to 4k. I picked up a 4k projector and a sony ubp x800. A nice feature of the x800 is that it has a separate ‘audio only’ hdmi out port so I can use my older 7.1 receiver (doesn’t pass-through 4k or HDR). All is good for blu-rays … upscales nicely to 4k and sound to receiver is great. I don’t have any UHD disks to try but I have no doubt they look and sound fantastic. It also has a built in (rather primitive) media player that will play files from either the usb port or a data written BD-R. This is where I’m have some problems.
I have a bunch of movies in mkv containers … video portion are HEVC encoded (some are 1080p, some are 2160p with HDR) … this all works very well – the 1080p ones are upscaled nicely and the HDR works on the 2160p ones.
The audio portion is where I’m having difficulties. The audio portion of these files are either 5.1 AAC or 7.1 AAC. The ones with 5.1 AAC sound just fine but the ones with 7.1 are all terribly garbled. It seems the player cannot handle 7.1 AAC.
Looking at the meager ‘owner’s manual’ at “playable types of files” for HEVC in a MKV … it lists audio types as … Dolby Digital, LPCM, AAC, MP3, Vorbis.
Playing around with a couple of these problematic mkvs, I have come up with a couple of non-ideal solutions and I was hoping to get some input as to a better way.
1st way …. Convert the audio portion from AAC 7.1 to a AAC 5.1 file and then remux to include this new audio file. This works well (sounds good) but of course, I lose the rear speakers so … not ideal.
2nd way …. Convert the audio to a PCM 7.1 (.wav) file and then remux to include this new audio file. This sounds great but the file size gets a little crazy. In some cases, the audio portion of the resulting mkv is larger than the video portion lol.
Does anyone have any thoughts on this?
Also, does anyone know a way to do the conversion/remux approach in 1 step rather than the 2 I am using? I have quite a few files to do.
I have a bunch of movies in mkv containers … video portion are HEVC encoded (some are 1080p, some are 2160p with HDR) … this all works very well – the 1080p ones are upscaled nicely and the HDR works on the 2160p ones.
The audio portion is where I’m having difficulties. The audio portion of these files are either 5.1 AAC or 7.1 AAC. The ones with 5.1 AAC sound just fine but the ones with 7.1 are all terribly garbled. It seems the player cannot handle 7.1 AAC.
Looking at the meager ‘owner’s manual’ at “playable types of files” for HEVC in a MKV … it lists audio types as … Dolby Digital, LPCM, AAC, MP3, Vorbis.
Playing around with a couple of these problematic mkvs, I have come up with a couple of non-ideal solutions and I was hoping to get some input as to a better way.
1st way …. Convert the audio portion from AAC 7.1 to a AAC 5.1 file and then remux to include this new audio file. This works well (sounds good) but of course, I lose the rear speakers so … not ideal.
2nd way …. Convert the audio to a PCM 7.1 (.wav) file and then remux to include this new audio file. This sounds great but the file size gets a little crazy. In some cases, the audio portion of the resulting mkv is larger than the video portion lol.
Does anyone have any thoughts on this?
Also, does anyone know a way to do the conversion/remux approach in 1 step rather than the 2 I am using? I have quite a few files to do.
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