cwa1999 Posted December 2, 2021 Share Posted December 2, 2021 I am using samsung galaxy s10 and it supports aptx. I bought an wireless earbuds that support aptx too. I switched to Hi-res output, with 48kHz, 16bit. However, when i play an audio of 48khz, 24bit, the aptx output of my earbuds is only 44.1kHz, 16bit. Doesnt aptx support 48kHz, 16 bit? Is there a bug? I would be grateful if you can help me. Link to comment Share on other sites More sharing options...
andrewilley Posted December 2, 2021 Share Posted December 2, 2021 You could try turning DVC off (or on), but it could also be a limitation of the Samsung driver. Most Samsung devices don't support 24-bit output below 192kHz anyway. Andre Link to comment Share on other sites More sharing options...
cwa1999 Posted December 2, 2021 Author Share Posted December 2, 2021 @andrewilley thanks for your reply. But actually my focus was on the sampling rate instead of the bit depth. Aptx supports 48 kHz, but when I played a 48kHz audio, it downsampled to 44.1kHz. I also tried turning on and off the DVC but this does not work for me Link to comment Share on other sites More sharing options...
andrewilley Posted December 2, 2021 Share Posted December 2, 2021 Have you tried different Output modes in AP Settings > Audio > Output. Could just be a Samsung limitation though (for example on normal modes, even if you have a 44.1k file Samsungs would default to 48k final output anyway). @maxmp might be able to advise further. Andre Link to comment Share on other sites More sharing options...
cwa1999 Posted December 4, 2021 Author Share Posted December 4, 2021 @andrewilley thank you Andre. I have just found out that it is Samsung's problem. It only allows me to switch to 44.1kHz for Bluetooth (even for aptx codec). I don't know if this only happens to me and maybe I will ask in the Samsung forum Link to comment Share on other sites More sharing options...
andrewilley Posted December 4, 2021 Share Posted December 4, 2021 Have you tried adjusting Android Settings > Developer Options > Bluetooth Audio Sample Rate ? Andre Link to comment Share on other sites More sharing options...
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