Rockbox General > Rockbox General Discussion
Ordered list of Rockbox-supported devices' sound quality?
saratoga:
--- Quote from: Fernando Negro on September 03, 2016, 01:13:19 AM ---
--- Quote from: saratoga on September 03, 2016, 12:55:01 AM ---You probably don't want to hear this, but usually that is just because you didn't match the volume very well.
--- End quote ---
I don't think so
--- End quote ---
FWIW, if you had properly volume matched well enough to test devices that have differences maybe 50 dB below peak, your reply would have been a discussion of the steps you went through. A simple "I don't think so" means that you aren't doing it right.
--- Quote from: Fernando Negro on September 03, 2016, 01:13:19 AM ---But, I can try doing it again - once I have the time to -
--- End quote ---
This is actually really hard to do. I wouldn't bother unless you're going to devout enough time and research to do it correctly. And if you aren't willing to do that, just look up the performance of each of the devices and buy the one with the best output. It may be overkill, but at least you know its as good as you could get.
Fernando Negro:
OK. Thank you for that warning and correction.
I recognize my ignorance in such matters. I only made an amateur test, with no professional equipments and/or specific knowledge. And, after reading what you wrote, I guess that there's no much point in me coming here telling people which devices have a better sound quality then.
So, what I should look for - in terms of sound quality - is for "how accurate the output" is, in reviews that I can find on the Internet?
wodz:
If you have good quality soundcard in your PC you could RMMA test devices (which is not THAT obvious anyway - hint loaded/unloaded test) and get semi-objective data.
saratoga:
--- Quote from: Fernando Negro on September 03, 2016, 01:56:24 AM ---So, what I should look for - in terms of sound quality - is for "how accurate the output" is, in reviews that I can find on the Internet?
--- End quote ---
I usually just look that it can get close to 16 bit dynamic range into 16 ohms (since most of my music is from CD) and that a device has a relatively low output impedance (no more than a few ohms) so that I can be reasonably sure it will work well with whatever headphones I might buy in the future. There are other more subtle problems you occasionally see, but those are the most common in portable devices.
Fernando Negro:
--- Quote from: wodz on September 03, 2016, 02:57:38 AM ---If you have good quality soundcard in your PC you could RMMA test devices (which is not THAT obvious anyway - hint loaded/unloaded test) and get semi-objective data.
--- End quote ---
Hello, wodz.
Thank you for that suggestion/tip. But, unfortunately that is quite a bit beyond my specific knowledge about sound quality. I do happen to have a good sound card with a Wolfson DAC, but I don't even know what "RMMA" means - and, I don't think that it would be a good idea for a novice like me to do any sort of serious or semi-professional(?) testing of that nature, since that, I don't know how truly accurate the results would be, and I wouldn't be able to completely interpret, or give true importance to, the results. I will just look for more information on the Internet, then, about people who have made that kind of tests with Rockbox-supported devices, and I'll read what do they have to say afterwards, when it comes to interpreting/translating the importance of the results. But, thanks again and anyway for your suggestion.
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