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Xrecode resampler11/8/2023 I don’t know how to check this (yet), I will look for it when I’ll have the time. I don’t know if audio tracks in my DVD in question has them. Hopefully, downmixing coefficients can be included in ac3 and dts files and some DVDs come with audio tracks containing these coefficients – most probably chosen by the sound engineer or alike. And if player A gives (subjectively) better results than player B for DVD X, this doesn’t mean that it will also give (again, subjectively) better results for DVD Y. They can even change from one version to another of the same player. A player usually have a set of default values for these coefficients, but they can be different for another player. It really depends on the source and it is quite subjective. As far as I understand, there is no silver bullet here. The key is to find out appropriate downmixing coefficients which define how much of each input channel will be included in each output channel. I have googled how to downmix from 5.1 to 2 and found out these forum topics: That can give you an impression, which audio track sounds best for you. Perhaps you can switch your blu-ray player to downmix channels to stereo and plug the output signal (Chinch) to your stereo and check the quality with your headphone while hopping through the different audio tracks. So, I think you have to try to use different methods of downmixing or not on Volumio. In my case, the stereo track on that special blu-ray was indeeed frequency cutted and limited, the 6Ch track wasn´t. The very low frequencies are missing on the CD, the footdrum on the downmixed flac was very clear and hard.īut I think all this depends on the overall quality of the sound, if they used a limiter during recording, if they cutted the higher and/or lower frequencies and so on. The dynamic was better cause the sound was obviously limited on the stereo cd. My result with downmixing the DTS 48Khz 6 Channel Track was better sound than the stereo cd. I´ve done it with XRecode directly to flac. Thats correct, the way you mix it down from 6 to 2 Channels will have an influence. I bet they wouldn’t sound muffled, but is it normal that they sound almost muffled through a stereo system? I also wonder how these 6ch versions would sound in an appropriate sound system. I wonder if a capable converter would make a better job than vlc (or if such a thing is even possible). I have not converted 6ch to 2ch for my listening tests though, I have ripped them in raw format and played directly through vlc on the same sound system (except raspberry pi part of course). High frequencies are much stronger in 2ch version as shown in the spectrum analysis and this definitely makes it more vibrant, 6ch versions sound almost muffled compared to it. It seems to me that 2ch version is kinda remastered. I have done some listening tests (well… as good as it gets) and checked sound volume for different frequencies using Spek. I was thinking that I would get an email when there is a reply. Thank you very much for your reply, and a big sorry because I have just seen your post.
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