Android phones and USB DACs | Page 19 | Headphone Reviews and Discussion - Head-Fi.org

DanBa · Aug 31, 2012 at 3:34 PM

Quote:

b-rad said:
From what I understand a USB otg cable is required. Not sure why though.

A standard USB DAC operates only as a USB peripheral. It only interworks with a USB host.

The SGS3 is a USB On-The-Go device.
A USB OTG device can act as a USB host or as a USB peripheral.

Simply put, a USB OTG device, like the SGS3, acts as
. a USB peripheral when a Micro-B plug is inserted [regular cable]
. a USB host when a Micro-A plug is inserted ["OTG cable"]

SGS3 as USB peripheral:
. SGS3 – regular cable – PC / Mac as USB host
. SGS3 – regular cable – upcoming specific Android Jelly Bean-compliant USB DAC as USB host

SGS3 as USB host:
. SGS3 – "OTG cable" – USB mouse as USB peripheral
. SGS3 – "OTG cable" – standard USB DAC as USB peripheral

b-rad said:
One cable running from device to device would be nice but I could only get it working with two cables

An "OTG cable": Micro-A to Mini-B cable
http://www.lindy.co.uk/05m-usb-otg-cable-black-type-micro-a-to-mini-b/31957.html

DanBa · Sep 1, 2012 at 7:05 AM

b-rad · Sep 1, 2012 at 9:36 AM

An "OTG cable": Micro-A to Mini-B cable http://www.lindy.co.uk/05m-usb-otg-cable-black-type-micro-a-to-mini-b/31957.html[/quote]

That's exactly the type of cable I was looking for! It's really long though! 19" is way too much cable to stuff in your pocket. And idea where I can find one that's like 3ish inches?

DanBa · Sep 2, 2012 at 11:14 AM

Some audio cable specialist, like ALO audio, should provide a short micro-A to mini-B USB OTG cable upon request.

An iDevice-compliant DAC USB to iDevice cable at $150.00:
http://www.aloaudio.com/alo-audio-usb-to-ipod-cable-for-the-algorhythm-solo

b-rad · Sep 2, 2012 at 11:21 AM

danba said:
Some audio cable specialist, like ALO audio, should provide a short micro-A to mini-B USB OTG cable upon request.

An iDevice-compliant DAC USB to iDevice cable at $150.00:
http://www.aloaudio.com/alo-audio-usb-to-ipod-cable-for-the-algorhythm-solo

That is outrageously overpriced!
I'm gonna have to keep searching for something more affordable. Am I the only one who wants to use a portable amp/dac without a bunch of extra cabling?
A regular otg cable and a usb to mini usb cable just seems excessive.. :-/

labcoat · Sep 2, 2012 at 11:56 AM

oh just DIY it get two cables you need and chop in the middle go to radio Sh@t and get some heat shrink and a cheep soldering iron and tech flex if you want to be fancy. soldering not that hard especially wire to wire.

R-

b-rad · Sep 2, 2012 at 12:21 PM

labcoat said:
oh just DIY it get two cables you need and chop in the middle go to radio Sh@t and get some heat shrink and a cheep soldering iron and tech flex if you want to be fancy. soldering not that hard especially wire to wire.

R-

I was actually considering making my own. I have a regular micro to mini usb cable, but I'd like to shorten it, and its not an otg host cable. Where can I find some info on how to modify/make my own?

DanBa · Sep 2, 2012 at 12:38 PM

Make your own USB OTG cable:
http://forum.xda-developers.com/showthread.php?t=1806589

Affordable audio cables for portable Android audio rigs will likely come from FiiO or iBasso:

. FiiO:
http://www.head-fi.org/t/604479/good-news-about-android-phone-supports-digital-audio-output

jamesfiio said:
We will design a new Mini USB to Macro USB cable with L type connector so it can be easy installed in Galaxy S2 and our E7/E17. Also I think it will be a good place to ask if someone can help us to test it when we have the sample cable.

. iBasso:
http://www.ibasso.com/en/products/show.asp?ID=54

Galaxy S3-compliant Epiphany Acoustics EDAC (i.e. ODAC) >> iBasso CB06 High Purity Copper 3.5 to 3.5 Interconnect >> portable amp Neco V3
http://www.head-fi.org/t/513233/neco-soundlabs-portable-v-2-amp/105#post_8486878

Much more affordable cables will likely come from company like ShenZhen ChengYang Electronic:
http://stores.ebay.com/chenyanghdmi

mcbiff · Sep 3, 2012 at 6:33 AM

Quick question for anyone using a USB DAC/amp with their phone (specifically a Galaxy SIII I suppose): what happens when you're listening and the phone rings? Are you able to answer the call? Is the call audio routed to the front or rear speaker of the phone? Is the standard microphone functioning?

I have been looking around for an answer, but I can't seem to find it.

Timmyw · Sep 3, 2012 at 8:14 AM

Quote:

mcbiff said:
Quick question for anyone using a USB DAC/amp with their phone (specifically a Galaxy SIII I suppose): what happens when you're listening and the phone rings? Are you able to answer the call? Is the call audio routed to the front or rear speaker of the phone? Is the standard microphone functioning?

I have been looking around for an answer, but I can't seem to find it.

Whatever music is playing or video pauses and cuts off, and the phone rings. Upon the call ending whatever was playing resumes.

beaver316 · Sep 3, 2012 at 8:15 AM

Quote:

timmyw said:
Whatever music is playing or video pauses and cuts off, and the phone rings. Upon the call ending whatever was playing resumes.

I think he know that, he's asking whether the call is routed to the ear piece or speaker.

mcbiff · Sep 3, 2012 at 3:27 PM

beaver316 said:
I think he know that, he's asking whether the call is routed to the ear piece or speaker.

Yep, that's correct. Surely someone here must know?

holleywood25 · Sep 3, 2012 at 4:31 PM

The call is routed to the headphones.

nnotis · Sep 4, 2012 at 12:40 PM

When I was on Foxhound ICS with the Siyah kernel, only media audio was routed to USB. Since moving to JB, all of it seems to get sent. I need to test it out while making a call.

veracocha · Sep 5, 2012 at 8:18 AM

When does Fiio E17 works with the SGS III ?

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