Android 8.0 USB audio/high-rez support??

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Sarchi

Android 8.0 USB audio/high-rez support??
« on: 28 Aug 2018, 02:54 am »
Hoping someone here can give me a few basics on this topic, I'm really a neophyte with this so bear with me. I've read that Android 8.0 will natively support high rez audio. Is this true, and more importantly, what does that really mean?  I'd like to be able to use my MotoZ2 Play with a DAC like the Schiit Fulla 2, which right now doesn't seem to be possible(?). Link
Anyone have good info on this, or something I can read as a resource? TIA

Vincent Kars

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Re: Android 8.0 USB audio/high-rez support??
« Reply #1 on: 28 Aug 2018, 07:47 pm »
I plugged my phone (S8) running Android 8.0.0 into the USB of my Benchmark DAC 1.
I did so using an adapter (USB C to A) and an A to B cable.

The Benchmark DAC 1 is a UAC1 device.
This means the USB audio is limited to 24 bits / 96 kHz max.
Started Foobar mobile and without any adjustment or configuring the DAC started to play.

In the past this failed as the Benchmark expects 24 bit and Android used 16 bit only.
Don't know if higher sample rates are supported, have yet to find the USB settings in Android :)

Sarchi

Re: Android 8.0 USB audio/high-rez support??
« Reply #2 on: 28 Aug 2018, 08:07 pm »
So you didn't need a special OTG cable?

You may have to set the resolution in your player app. here's how you do it in Poweramp. https://youtu.be/CFJsJhoyYM4

Vincent Kars

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Re: Android 8.0 USB audio/high-rez support??
« Reply #3 on: 28 Aug 2018, 08:57 pm »
A bit to my surprise no OTG needed.
This is a device with a USB-C. This is a far more advanced connection than the micro.

In Foobar Mobile I set the sample rate to 96 kHz
Music kept on playing.
At face value it looks like Android 8 support at least UAC1 hence 24 bit / 96 kHz over the USB

Sarchi

Re: Android 8.0 USB audio/high-rez support??
« Reply #4 on: 28 Aug 2018, 09:06 pm »
Thanks, that's good to hear. My phone uses USB-C as well.