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Android phones and USB DACs - Page 137

post #2041 of 4559

I flashed Paranoid 3.15 yesterday on my i9300 S3.  And much to my surprise, USB audio works!  I wonder if they merged Jack Norris' patch?  It behaves the same way, locking volume at max.  It's something to consider if looking for a DAC/Amp.  Those without volume control aren't really an option with this arrangement.

post #2042 of 4559

I finally got all the bits necessary to play music through an outboard DAC/amp from my Droid razor HD...The phone, the USB Audio Recorder App (which seems to lack any serious users manual and has an attitude), a OTG to USB cable, an addition cable to my FiiO E07K DAV/Amp and a set of powered speakers.

 

So, I have to ask...what is with app developers and the attitude? Why do they so hate to provide anything approaching a users guide? (and the same thing could be said about the FiiO product) It is as if they think showing a picture of the Space shuttle, labeling the wings, the wheels and the access port was all that was needed to operate the thing!!

 

I am getting great sound out of the phone through the DAC. My Hi-Rez (24/96) files sound great, way better than they do on Neutron using the phones DAC. That said, the single remaining complaint arises....Why in the name of a benevolent God did not the developers of USB Audio Recorder Pro write the code to play more than one song at a time (why is the idea of a library so alien)? The app is cutting edge and the user interface is primitive!!

 

I want to tell the app to play my library, not one song at a time...Why is that too hard?  Apple managed to figure that out a decade ago. Heck, everyone BUT USB audio recorder Pro seems to have figured it out...

post #2043 of 4559
I understand your frustration with the functionality issues in the USB Recorder Pro app, but I think your position may be a bit unnecessarily harsh. I base my opinion on these assertions:

1). The app itself is still fairly new.

2). We are NOT using it for the original purpose (to record audio w/ USB mics).

3). The developer has been very responsive to our concerns and recommendations.

4). Even with the limited functionality and usability of the app in its current state, it still allows for something that is completely impossible without it-- and that's a big deal, in my opinion.

Honestly, as much as I wish everything would hurry along too, USB audio from mobile devices is still very much in its infancy. I think we'd do well to reward and positively reinforce app developers who bring this kind of ability to us when the manufacturers fail to wink.gif.

Just my thoughts.
post #2044 of 4559

You are probably right...I just ran through a series of apps that all had one thing in common...a complete lack of usable instructions....The thing is, this app sounds great...really good...did I note its sound. It is only limited by its inability to play a library...Imagine the same sound quality in an app that can play a library

 

ooohhhhh

post #2045 of 4559
Yeah man, I know what you mean!! Patience... better minds than mine are hard at work to make it happen for us wink.gif.

Another thought might be to see if you can get a phone that supports USB audio natively? If you have any upgrades on your account, it might be worth your while to check on moving to the S3 or Droid DNA (both Verizon, which I assume you have), as I have both of them and they work without needing the USB Recorder Pro app.

EDIT: just realized you have the E07k, which is also potentially problematic for USB playback with the S3. I'd say it's worth thinking through whatever your next moves are on your portable rig to make sure you get something you REALLY enjoy. I, for one, won't be buying any phone without support for USB DACs, period. Music is my #1 use for my phone, and that makes a tremendous difference for me. YMMV, of course.

Keep us posted on what you end up doing, bud!! Best of luck!!
post #2046 of 4559

is usb audio available for the nexus s 4g?

post #2047 of 4559

If the nexus s 4g is the Samsung / Google Galaxy Nexus, it can work with USB DAC using USB Audio Recorder PRO.

http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/2010#post_9317569

 

If the nexus s 4g is the LG / Google Nexus 4, it can't work with USB DAC as long as the USB host feature is not enabled.

http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1170#post_8985577

post #2048 of 4559
Quote:
Originally Posted by James1776 View Post

You are probably right...I just ran through a series of apps that all had one thing in common...a complete lack of usable instructions....The thing is, this app sounds great...really good...did I note its sound. It is only limited by its inability to play a library...Imagine the same sound quality in an app that can play a library

 

ooohhhhh

 

It can play a library stored in a directory.

http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1635#post_9133811

http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1665#post_9137819

http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1995#post_9313819

post #2049 of 4559
Quote:
Originally Posted by DanBa View Post

If the nexus s 4g is the Samsung / Google Galaxy Nexus, it can work with USB DAC using USB Audio Recorder PRO.

http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/2010#post_9317569

 

If the nexus s 4g is the LG / Google Nexus 4, it can't work with USB DAC as long as the USB host feature is not enabled.

http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1170#post_8985577

 

The "Nexus S 4G" is a Nexus S (Samsung made) sold on the american market, so it's (1 Nexus generation) older than a Google Nexus (and much older than a Nexus 4). I suppose it's the same Wolfson DAC inside that I have in my european Nexus S (the same audio chip than the original Samsung Galaxy S). Really good sound when you use Voodoo Sound enhancement, then the phone drives even 300Ohm headphones quite well. Before testing this, you have no idea the power that's inside this phone audio jack.

Probably unusable with a USB DAC though. 

http://www.wolfsonmicro.com/documents/uploads/product_briefs/en/WM8996_ProductBrief.pdf


Edited by oliwek - 4/5/13 at 8:02am
post #2050 of 4559

I agree with you about music being the reason why I own more than a flip phone. The Droid Razor HD is a really nice phone, the best I have ever owned BUT...the android operating system even with Jelly Bean, does not do a USB data out. The USB audio recorder pro app fixes that...A giant step for sound quality but a tiny baby step short of magic...they quit before they perfected the app....sigh!

post #2051 of 4559

I can just confirm that this DAC from Maplin works a charm with the Nexus 7 using Timur's USB kernel via headphone out and RCA out to an amp.

 

http://www.maplin.co.uk/digital-to-analogue-audio-convertor-504890


Edited by deanolyons - 4/5/13 at 10:51am
post #2052 of 4559
Quote:
Originally Posted by James1776 View Post

I agree with you about music being the reason why I own more than a flip phone. The Droid Razor HD is a really nice phone, the best I have ever owned BUT...the android operating system even with Jelly Bean, does not do a USB data out. The USB audio recorder pro app fixes that...A giant step for sound quality but a tiny baby step short of magic...they quit before they perfected the app....sigh!

You've just highlighted why, for the moment, it's best to stick to the offerings from Samsung & HTC.  They've got this functionality right out of the box.  But if the major custom ROM developers start implementing USB audio, this matter will cease to be much of a problem.  Unfortunately, development for the Razr HD is currently pretty limited:

 

http://forum.xda-developers.com/forumdisplay.php?f=1861

 

Hopefully someone will port Paranoid Android to it soon.  If so, try it out and see if USB audio works as it does on the S3 version.

post #2053 of 4559
Quote:
Originally Posted by oliwek View Post

 

The "Nexus S 4G" is a Nexus S (Samsung made) sold on the american market, so it's (1 Nexus generation) older than a Google Nexus (and much older than a Nexus 4). I suppose it's the same Wolfson DAC inside that I have in my european Nexus S (the same audio chip than the original Samsung Galaxy S). Really good sound when you use Voodoo Sound enhancement, then the phone drives even 300Ohm headphones quite well. Before testing this, you have no idea the power that's inside this phone audio jack.

Probably unusable with a USB DAC though. 

http://www.wolfsonmicro.com/documents/uploads/product_briefs/en/WM8996_ProductBrief.pdf

This is correct

 

I currently use voodoo with poweramp for a pair of atrio m5's and a fiio e6. Sounds pretty damn good, but we're all chasing better sound lol

post #2054 of 4559
Quote:
Originally Posted by nnotis View Post

I flashed Paranoid 3.15 yesterday on my i9300 S3.  And much to my surprise, USB audio works!  I wonder if they merged Jack Norris' patch?  It behaves the same way, locking volume at max.  It's something to consider if looking for a DAC/Amp.  Those without volume control aren't really an option with this arrangement.

You totally got my hopes up on this one. I was using and loving Paranoid Android 3.11 on my i747 S3, so I upgraded to 3.15 here:

http://forum.xda-developers.com/showthread.php?t=2129993

Playing music out the internal speaker, I plug in my Intruder. The music pauses. Awesome. I play the music. It continues with no sound coming out the speaker. THIS IS PROMISING.

I listen to what's coming from the Intruder... nothing frown.gif

So it seems this build is awfully close. I was happy to hear that the headphone port still works, unlike the roms I've patched with jack norris's code previously.
post #2055 of 4559

 

I do not understand how this works (as the app has no real instructions). If I load everything, from the home screen, I get a folder icon in the upper left. If I simply hit the play button, it tells me nothing is selected. If I hit on the folder icon, I get a list of files. If I select a file and then hit play, the app plays THAT SONG and nothing else in the folder

 

???

 

I seem to have to manually select the both the word length (16 or 24) and the frequency (44.1 through the list to 96hz)...I am not able to play from a 16/44.1 to a 24/96 to a 24/48, etc...

 

Is that normal???

 

Also, how does one add files to that playlist? I have files in the phone but none show in playlists???

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