Android phones and USB DACs | Page 174 | Headphone Reviews and Discussion - Head-Fi.org

DanBa · Jul 9, 2013 at 4:06 AM

Hi Jes,
The mentioned Android devices are stock devices: the vast majority of people are used to use stock devices.

The USB OTG feature of your Google Nexus 4 has to be enabled by a custom kernel.
Then, such a Nexus 4, operating as USB host and using USB Audio Recorder PRO, can work with USB peripheral like FiiO E17.

However, the following

. Google Nexus 4 powered by a custom kernel using USB Audio Recorder PRO (smartphone):
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/2100#post_9340559
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/2550#post_9557503

will be exceptionally included in the next updated compatibility list at page 170 + n*5.
Usually only stock Android device is included in the compatibility list.

jcagara08 · Jul 9, 2013 at 4:55 AM

Quote:

danba said:
Hi Jes,
The mentioned Android devices are stock devices: the vast majority of people are used to use stock devices.

The USB OTG feature of your Google Nexus 4 has to be enabled by a custom kernel.
Then, such a Nexus 4, operating as USB host and using USB Audio Recorder PRO, can work with USB peripheral like FiiO E17.

However, the following

. Google Nexus 4 powered by a custom kernel using USB Audio Recorder PRO (smartphone):
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/2100#post_9340559
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/2550#post_9557503

will be exceptionally included in the next updated compatibility list at page 170 + n*5.
Usually only stock Android device is included in the compatibility list.

Alright thanks DanBa!
Yes it such a shame for a NEXUS device to not have this usb audio out by default, but again its a nexus device which is a toy for our android tinkering desires.
Regards,
Jes

DonJunker · Jul 9, 2013 at 9:51 AM

Any advice what resistor value should be used between the ID pin and GND with original Samsung 4.1.2 firmware? I have heard a number of different values e.g. 40.2k, 100k, 64.9k, 34k etc. On this thread http://forum.xda-developers.com/showthread.php?t=1953061&page=7 it seems like 64.9k should work.

DanBa · Jul 9, 2013 at 2:22 PM

What are design engineers smoking nowadays?
They use a standard USB concept (i.e. USB ACA).
They use standard USB components (i.e. USB OTG – ACA components).
And they don’t use standard ACA resistance values!

DanBa · Jul 10, 2013 at 4:19 PM

Galaxy S4 & Styleaudio Carat-Peridot2 USB DAC/amp
http://styleaudio.jp/2011/peridot2.html
http://bbs1.ruliweb.daum.net/gaia/do/ruliweb/default/mobile/66/read?bbsId=G002&itemId=8&articleId=262591

dancekat59 · Jul 10, 2013 at 5:13 PM

what's that cool stand for the phone?

DanBa · Jul 11, 2013 at 7:47 AM

FiiO L15 Micro USB to Mini USB OTG Cable
http://www.headfoneshop.com/eshop/index.php?route=product/product&product_id=139

"A USB On-The-Go cable, allows you to connect products such as FiiO E07K (or other self powered dac/amps) to an Android device (e.g. Samsung S III, Note II) to bypass it's internal DAC and AMP.
(*Disclaimer: please check for compatiblity as the bypass doesn't work with various device combinations / you might have to install a driver or app as well / try out a demo at the store.)
Cable Length: 70mm"

James1776 · Jul 11, 2013 at 12:19 PM

Great question...what is the phone stand...got a link?

devhen · Jul 11, 2013 at 5:51 PM

Quote:

danba said:
FiiO L15 Micro USB to Mini USB OTG Cable
http://www.headfoneshop.com/eshop/index.php?route=product/product&product_id=139

"A USB On-The-Go cable, allows you to connect products such as FiiO E07K (or other self powered dac/amps) to an Android device (e.g. Samsung S III, Note II) to bypass it's internal DAC and AMP.
(*Disclaimer: please check for compatiblity as the bypass doesn't work with various device combinations / you might have to install a driver or app as well / try out a demo at the store.)
Cable Length: 70mm"

Looks great, thanks!

Shipping to the U.S. is pretty expensive on that site. I ordered from here instead:

http://www.headphonebar.com/fiio-l15-usb-otg/

EDIT: Scratch that, they only ship to Canada. :frowning2:

devhen · Jul 11, 2013 at 5:58 PM

Pretty basic question (sorry, don't have time to read through thread right now):

Do all Android phones running Jelly Bean support USB audio out or is it only some devices that support it? I've got a Galaxy S2 running Android 4.1.2, will it support USB audio out?

Thanks

Theogenes · Jul 12, 2013 at 12:24 AM

Quote:

devhen said:
Pretty basic question (sorry, don't have time to read through thread right now):

Do all Android phones running Jelly Bean support USB audio out or is it only some devices that support it? I've got a Galaxy S2 running Android 4.1.2, will it support USB audio out?

Thanks

Unfortunately, no. You can look at DanBa's lists to see which phones/etc appear to be working with which DACs on page 170 (he tends to update it every 5 pages, so he'll probably have another updated list on page 175). That's your best bet at the moment.

DanBa · Jul 12, 2013 at 3:57 AM

At the announcement of Android 4.1 Jelly Bean in June 2012, Google introduced a new type of USB DAC operating as USB host, that can’t interwork with PC or Mac also operating as USB host.
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/90#post_8492288
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/135#post_8508754

The Galaxy S2 doesn’t have a complete USB host feature, so that a USB audio driver, or a USB audio soft driver like USB Audio Recorder PRO can’t use the necessary USB service to drive a standard USB DAC.
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1635#post_9133931

DanBa · Jul 12, 2013 at 3:57 AM

kskwerl · Jul 12, 2013 at 4:02 AM

DAT list!

thanks for putting that together and keeping it updated

elwappo99 · Jul 12, 2013 at 5:59 AM

New to this and looking for some help. Have a U.S. note 2 and hooked it up to my Audio-GD reference 3 via a USB otg cable. Got nothing with the stock player. Got the trial of USB recorder pro running and sure enough I could play through that software.

I've enabled the dock settings and made everything was connected. Is there something I'm missing on playback to get it through the stock player?

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