I should note that even when my phone (v30) is set to LDAC Adaptive I will usually get 660 or 990k, but in those cases I have the Q5K close to the phone with no other obstacles in the way. These days I do not bother forcing 990k, and just let the phone and Q5K sort it out...
On my phone, the Xiaomi POCO F2 Pro, I am observing the same. LDAC Adaptive gets 660 - 909 Kbps, but I have to force LDAC in the Developer settings every time, because it defaults to Qualcomm aptX Adaptive. Regarding the sample rate, it defaults to 48 kHz and I am forcing it to 44.1 kHz. I leave the sample rate to 24 bit. Are these the best settings for sound quality when listening to Amazon Music HD?
On my phone, the Xiaomi POCO F2 Pro, I am observing the same. LDAC Adaptive gets 660 - 909 Kbps, but I have to force LDAC in the Developer settings every time, because it defaults to Qualcomm aptX Adaptive. Regarding the sample rate, it defaults to 48 kHz and I am forcing it to 44.1 kHz. I leave the sample rate to 24 bit. Are these the best settings for sound quality when listening to Amazon Music HD?
Depends on whether you need a true bit-perfect transfer which, with LDAC, I would assume isn't a thing anyway (lossy compression). If it's too much hassle to force 16-bit, you should be able to keep it in 24 and not hear much of an impact.
Fwiw, I just leave the settings alone with Amazon Music. They really need to get a better dev team on that app.
On my phone, the Xiaomi POCO F2 Pro, I am observing the same. LDAC Adaptive gets 660 - 909 Kbps, but I have to force LDAC in the Developer settings every time, because it defaults to Qualcomm aptX Adaptive. Regarding the sample rate, it defaults to 48 kHz and I am forcing it to 44.1 kHz. I leave the sample rate to 24 bit. Are these the best settings for sound quality when listening to Amazon Music HD?
Have you tried disabling aptX adaptive altogether on the 5K?
My V60 had a similar issue and I ended up having to pair my devices again and disable aptX adaptive on my 5K. Qudelix was kind enough to get a V60 and confirm this behavior for me. I posted the steps they had me follow in this thread. Hopefully it will help you so you dont have to go into Developer Options everytime.
Have you tried disabling aptX adaptive altogether on the 5K?
My V60 had a similar issue and I ended up having to pair my devices again and disable aptX adaptive on my 5K. Qudelix was kind enough to get a V60 and confirm this behavior for me. I posted the steps they had me follow in this thread. Hopefully it will help you so you dont have to go into Developer Options everytime.
Thank you so much! It works! Now it defaults to LDAC and 44.1 kHz! I am getting 909 Kbps max, with my phone next to the device. When it comes to the bits, should I leave it at 24 or set it higher, for best sound quality from Amazon HD? Thanks again!
Thank you so much! It works! Now it defaults to LDAC and 44.1 kHz! I am getting 909 Kbps max, with my phone next to the device. When it comes to the bits, should I leave it at 24 or set it higher, for best sound quality from Amazon HD? Thanks again!
Glad you're getting 990 now! That's definitely a step in the right direction. As to whether you should bother with manually setting bit depth, I'd suggest doing so if you're only ever going to listen to Redbook (16/44) material anyway. Qudelix wrote up a blog article explaining why that matters with LDAC (supposedly makes it more efficient), but I can't find a link at the moment.
Glad you're getting 990 now! That's definitely a step in the right direction. As to whether you should bother with manually setting bit depth, I'd suggest doing so if you're only ever going to listen to Redbook (16/44) material anyway. Qudelix wrote up a blog article explaining why that matters with LDAC (supposedly makes it more efficient), but I can't find a link at the moment.
On my phone, the Xiaomi POCO F2 Pro, I am observing the same. LDAC Adaptive gets 660 - 909 Kbps, but I have to force LDAC in the Developer settings every time, because it defaults to Qualcomm aptX Adaptive. Regarding the sample rate, it defaults to 48 kHz and I am forcing it to 44.1 kHz. I leave the sample rate to 24 bit. Are these the best settings for sound quality when listening to Amazon Music HD?
Did you force it to 44.1 through your phone’s developer options? Doing that seems to throw my Zenfone 7 in a fit, basically breaks Bluetooth until I restart the phone.
I now leave it on Adaptive, at 24bit/48kHz default. This way I use the Tidal app itself instead of UAPP, which is an OK trade-off as it’s a much better user experience, I get to listen to my downloaded content, and I don’t hear the same degradation I used to hear on my V30 playing wired bit-perfect via UAPP vs via the Tidal app with Android SRC which was a substantial downgrade.
Received the new Qudelix iem crossover proof-of-concept. Reminds me of the Sony mh750. Good vocals with a satisfying punchy slow/wet bass.
With the ability to turn it into a mh755 depending in the settings.
There is a small amount of driver flex until you figure out how to put them on.
Low Gain option seems to be tied to vocals. And bass loudness.
High Gain seems to add air/Cymbal presence. Sibilance when maxed out on some bad tracks. And oddly adds some satisfying character to the bass.
Can't decide how to set this up. I thought we would be able shift where the bass driver starts and where the treble dd begins. But it seems more about powering things louder/quieter
Would be interesting if you could use this to drive EST drivers louder than the rest of the drivers in a hybrid setup. Since Sonion electrets are so quiet
Harman Target is just one of many target EQ curves. The IEF target is Crinacle's target EQ curve. Just slightly different in response based on their preferences.
Late to the party. Such an awesome device and it has everything I need to use it as an mobile and desktop dac. Just want to share that I was able to successfully make the LDAC mode to work on my Redmi K30 Pro Zoom and so far I'm hearing a nice audio via wireless (when I was able to set it at 44 to 48khz instead of the stock 96khz).
I've been using Viper4Android and DTS mods on my phone in tandem with this awesome DAC via USB connection and I was wonder why the Qudelix app needs the DAC connected via bluetooth for it to detect the device. Is there a way for the app to detect it via USB? I mean do I need to toggle something on the App itself for it get detected or it is mandatory to connect to Bluetooth for the app to work?
It would probably add some additional latency, but you should be able to use a USB->TOSLINK adapter (like the Douk Audio U2) between your PC and the BTA30 - https://www.amazon.com/Douk-Audio-Converter-Interface-PCM192Khz/dp/B085XPRSGM/
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I use the TOSLINK input on my BTA30, with the signal from a 4x4 Optical Matrix Switch.
Other outputs from the switch go to different DACs.
I've purchased an 8x8 Matrix Switch, but haven't deployed it yet.
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