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 Enable USB audio on any Android 4.X device

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siles1991
post Feb 20 2013, 06:18 PM

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From: Selangor


so to make this work dont need any software just OTG cable and the DAC?

so i bought an e10 recently and when i use the OTG cable nothing happens, so does that mean I need to use external app? after plug in already sound still comes out from my S3 speakers is there something i need to config?

sadly usb recorder pro needs to be paid for it to work for mroe than 15m D:

anyone know any way to get USB DAC to work without USB recorder pro?

QUOTE(blacklizard90 @ Apr 5 2013, 11:15 PM)
Use stock android and kernel that come with your phone, as long as the phone have kernel version 3.x and >=ICS, it should work. Or find aftermarket rom which support usbaudio
*
im using the galaxy s3 with 4.1.2 E10 only works with USB audio recorder pro. Currently looking for a ROM which supports usbaudio

QUOTE(blacklizard90 @ Apr 6 2013, 01:50 AM)
Test with USB Device info to check if its detected, if its detected replace your asound.conf with this:

CODE
pcm.usbdac {
type hw;
card Audio;
}
ctl.usbdac {
type hw;
card Audio;
}
pcm.!default usbdac


Try to see if its works. Make sure you backup the original  asound.conf
*
last time i was able to make it work with usb recorder pro now i cant at all...and it isnt detected eventhough i plug it in and out.

edit: the OTG cable jaben provided doesnt work i had to use another...yeah im gonna try changing the asound.conf now

edit2: i cant find the asound.conf anywhere only dbus.conf, audio_effects.conf

edit:3 I couldnt find the asound.conf so i added one into the /etc folder and rebooted but made no difference....
siles1991
post Apr 6 2013, 06:29 PM

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From: Selangor


QUOTE(blacklizard90 @ Apr 6 2013, 06:15 PM)
Are you saying that ODAC works with stock S3 with alsa usbaudio module?
*
how do you even get the stock s3 alsa usbaudio? mine didnt have alsa i think...
siles1991
post Apr 6 2013, 07:22 PM

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From: Selangor


QUOTE(DanBa @ Apr 6 2013, 07:20 PM)
Every stock Galaxy S3 should have ALSA USB Audio driver:
https://github.com/sgs3/GT-I9300_Kernel/blo...d/usb/card.c#L2
*
well i couldnt find the asound.conf blacklizard talked about and i jsut only updated my JB to 4.2.2 so lets see how it works, saw cahngelog for 4.2 that there is support for usb audio docks now.

QUOTE(DanBa @ Apr 6 2013, 07:31 PM)
Is your 4.2.2 a custom ROM?
*
yeap it is

QUOTE(blacklizard90 @ Apr 6 2013, 07:48 PM)
Does it works?

Anyway, I taking the risk to code to enable usb digital audio for CM10.1, I tried it a while back with my HTX One X but drop it half way, hopefully this time I will finish it. Android is a good OS but the documentation for AOSP just suckz basically zero to none..
*
well this happened, with my e10 unplugged it plays perfectly but once i plug my e10 in and start playing music my entire phone hangs, and this didnt use to happen. it would jsut play through phone speakers again so it could be something.

maybe my E10 is just an exception...I read the E17/E10 can only work with USB recorder pro so far...but the e07k works flawlessly..

 

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