Hiii Guys ... If I can ask here & maybe this is a silly question ... So please understand the Guys above to make my mistake ... Approximately what determines the 32-bit / 192 kHz bit rate (I just changed my device to the LG V30, because I just lost Xiaomi Pocophone F1 about one month ago) ... With the difference in the 32-bit / 384 kHz bit rate of Samsung S8 ??? So, to be honest, I'm using my V30 device, which is equipped with a mini portable Bluetooth DAC receiver from Shanling UP2 (24-bit / 192 kHz), the classic Shure SE215 earphone with a full max upgrade premium cable (Hebra Definition) + native music format with 32-bit / 96 kHz FLAC quality, automatically reads LDAC (In the developer selection menu that can be activated manually or automatically) ... Is that the equivalent of Samsung UHQ (Ultra High Quality) 32-bit / 384 kHz flagship class Guys & Guess which one is superior as its priority: Is it at 24-bit / 192 kHz, 32-bit / 192 kHz or UHQ 32- bit / 384 kHz Guys ??? So this is reminiscent of a fierce battle (World War 3) classmate flagship smartphone cellphone in the past 2017 class flagship mobile smartphone flagship premium audiophile high quality V30 (DAC chip in the 3.5mm jack) VS. S8 (Which relies on the help of Bluetooth UHQ) ... Check in: (https://bluetoothcheck.com) Or is this a subtle trick in outline theory in the business of trading competition, between a 32-bit / 192 VS bit rate. 32-bit / 384 Guys ??? ☺
Like @zachgraz, I don't understand what you are really trying to ask - anyway, what determine the max sampling rate of the system - On hardware, is the DAC (or codec) chip used by the smartphone. On software, it is the built-in audio driver used by individual manufacturers. Sometime you can have the same chip used by two smartphone but one is limited by the audio driver to a lower sampling rate. Besides, it is usually not sampling rate that determine the SQ of the smartphone but the headphone driving stage (= what comes after the DAC / codec).
In any case, it doesn't matter much to the discussion here with UP2 / UP4 as the audio decoding is carried out at the DAC chip inside the UP2 / UP4 and not in the smartphone, so whether the smartphone is 16/44, 24/192 or 32/384 has nothing to do with the sampling rate on the BT adapter. The usual limiting factor is the BT codec (SBC / AAC / aptX / aptX-HD, LDAC) s even LDAC only goes up to 24/96. Hiby UAT might claim to support 32/192 but it is usually very unstable and mostly unusable in a real life situation.
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