USB audio works for everything except music - Redmi K20 / Xiaomi Mi 9T Questions & Answers

Just got a USB headphone DAC/amp (Monolith THX portable) and it works, kinda. I can hear the system sound letting me know it's plugged in, can also hear videos, youtube, and game audio; but as soon as I try to play a music file it goes mute. Only thing I've found so far that works is using MX Player and forcing it to SW decoding, though that's not exactly my ideal music app. Any idea what's going on here?

You need USB 3.0 for Audio through USB.
Since Mi 9T/Redmi K20 already had 3.5mm Aux jack, the USB port is a 2.0 port as audio is the primary reason for USB 3.0.
So, there's no support for Audio through USB on the HW level itself.

Don't know if this relevant to your question or not, but I use Topping NX4 DSD portable Dac/amp and it works out of the box, and DSD Capable when using HiBy music app. Try to use HiBy music player and use it's exclusive USB driver. If not, buy UAPP (USB Audio Pro Player) or test the trial first to know if it work or not. Using dac/amp on android is a bit gambling as some works as simple as plugged in and some need driver provided from those app (like UAPP for instance).

Related

[Q] USB DAC support?

Can I hook up an usb dac to the nexus player? I want to connect the nexus player through a quality USB DAC to my amplifier (which only has analog stereo inputs).
Currently I have a chromecast and use the headphone out jack of my TV to feed the amplifier, but this is less then ideal.
Would something like this do the job?
http://www.amazon.com/gp/aw/d/B005COKXCO?pc_redir=1413528130&robot_redir=1
Sent from my Nexus 5
Yes, it might do the job. However, i read in the reviews that HMDI audio extractors can cause troubles with video sync and HDCP. Also, I want one with good audio quality. Most HDMI extractors are not reviewed by HIFI magazines.
So a good quality HDMI pass-through DAC reviewed by HIFI people start at $250,-, they are more expensive then their USB only counterparts of similar quality.
USB DACs are way more common. I can get a better quality USB DAC for $150,- (the ODAC by nwavguy)
I read that android 5.0 supports USB dacs (at least on mobile phones). Since the nexus player also has android 5.0, it should hopefully also support an USB DAC.
I'd like to do the same with my Icon Nuforce Dac, so I'm interested in the answer as well. thank you for the question.
Just an FYI that I am using an HDMI audio extractor with a Chromecast on a secondary TV. The TV (Sony) and receiver (Onkyo) are both 4 or 5 years old and were lower end units. Neither had pass-thru which was making me crazy until I figured out the problem (why no audio from the Chromecast)
I picked up one of the J-River (?) Extractors on Amazon. Reviews were mixed so I wasn't expecting much, but it works perfect. I plug the Chromecast into the extractor and run HDMI video and optical audio to my receiver. I've experienced no issues at all with audio out of sync and the sound is very good.
I am not an audiophile & not sure if this will help with your DAC question, but since I had good luck with splitting my audio/video via an extractor, I thought I'd mention it just in case.
I read that latest version of Android operating system for mobile (Lollipop) supports usb DACs.
Can we expect the operating system of the Android TV to support it as well?

USB DAC on Lolipop

Just a little FYI, I was able to get an external USB audio DAC (Fiio E17 via a USB OTG cable) to work with my Fire HD on Lolipop. It was just a quick test using the Amazon Music app, which resulted in 48kHz/16 bit output. I'm going to play around a little bit more to see if I can get output at 96kHz (or 192kHz using another DAC I have) with some FLAC files. Anyway, I'm thinking this may make a nice little device for high-res music.

Le Pro3 type c audio

Because this phone will be using the usb c connection to transfer audio with, will it be able to use external dac's such as the audioquest dragonfly or the chord mojo with out the need for an app like usb audio player pro?
The whole idea with usb audio is to remove DAC from the phone, enabling best audio earphones can produce. Which DACs are supported, I don't know.
With my Pro3 i just needed one of these: goo.gl/uGYUH4
My Oppo HA2 works perfectly with it.
Does the ordinary headsets with controls on wire like answer button or volume keys work with usb 3 adapter?

Sending global audio to usb output.

Hi want to send the audio of streaming apps as spotify and google music to the usb output to use them with the Fiio Q1 DAC/AMP as I used to do it with the nexus 5x, but I haven't being successful at setting this up. The most I have accomplish is playing local files to usb using HiByMusic app and the OTG cable.
If anyone know how to do it or have found an app for it, please share, thanks!

Problem with usb-c headphones

I recently bought a usb type c headphone to use with a Galaxy tab s6 lite. Headphone works perfectly when playing media (through media channel-like music player, youtube, and spotify), but when answering a call or attending a zoom meeting, I get the audio via in built speaker, not via plugged in usb c headphones. I have enabled usb audio routing in developer options, but the problem is persisting.
What could be the reason for it? How do I overcome this? TIA

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