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Enable USB audio on any Android 4.0 device

Discussion in 'Android Forum' started by DanBa, Feb 8, 2012.

  1. DanBa
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    DanBa New Member

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    If you want the USB audio feature enabled via official firmware/kernel, please vote (i.e. request to Google) here:
    Issue 24614 - android - Enable USB audio on the Galaxy Nexus (or any Android 4.0 device) - Android - An Open Handset Alliance Project - Google Project Hosting/

    Vote: Click on the star (it appears after signing in)


    According to Android specs, Android 4.0 devices could support the USB audio feature, i.e. Android 4.0 devices and USB_CLASS_AUDIO compliant devices like standard USB DAC could interoperate:
    USB Host and Accessory | Android Developers
    UsbConstants | Android Developers

    USB audio is enabled in the modded kernel of the Nook tablet allowing USB DAC "FiiO E7" and Nook to interoperate:
    xda-developers - View Single Post - [webcam support] USB Host support that YOU can try (now in nightlies)


    Some USB DAC:

    . Portable FiiO USB DAC/amp:
    FiiO

    . Portable iBasso USB DAC/amp:
    iBasso

    . Portable RSA USB DAC/amp:
    Emmeline "The Predator" Portable USB DAC/Amp - Ray Samuels Audio

    . Portable HeadAmp USB DAC/amp:
    HeadAmp - Audio Electronics (pico USB DAC/Amp)

    . Portable GoVibe USB DAC/amp:
    Jaben Online Store

    . Desktop CEntrance USB DAC/amp:
    CEntrance -> Products

    . Desktop MSB DAC IV :
    List Prices


    A digital audio system is composed of:

    [​IMG]

    . A storage module: Music is stored in file as a series of bits 0 & 1 with different encoding formats (MP3, WAV, FLAC…).
    . A player: The player decodes the bits 0 & 1 to PCM digital audio signals.
    . A DAC (Digital to Analog Converter): The DAC converts the PCM digital audio signals to the original analog audio signals.
    . An amplifier: The amplifier amplifies the analog audio signals.
    . A speaker: The speaker restitutes the music.


    Like a PC or a Mac, an Android phone is a digital audio system.

    [​IMG]


    Hopefully, an Android phone, running on a kernel with a USB audio driver, can output the PCM digital audio stream to an external standard USB DAC & amplifier & headphone, much more efficient than the internal DAC & amplifier & speakerphone.

    [​IMG]




    A list of stock Android-powered devices reportedly interworking with standard USB DAC:


    stock Android device > digital USB audio out >> USB OTG cable >> standard USB DAC >> amp >> headphones


    . Acer Iconia Tab A200 using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2012/03/15/acer-iconia-tab-a200-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Acer Iconia Tab A500 using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2011/04/26/acer-iconia-tab-a500-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Archos G9 (tablet):
    http://www.anandtech.com/show/5802/the-archos-g9-tablet-reviews-fast-enough
    http://forum.xda-developers.com/showthread.php?t=1539576


    . Asus Transformer Pad TF300 using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2012/04/22/asus-transformer-pad-tf300-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Asus Transformer Pad Infinity TF700 using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2012/06/25/asus-transformer-pad-infinity-tf700-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Asus Transformer Prime using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2011/12/01/asus-eee-pad-transformer-prime-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Google Galaxy Nexus using USB Audio Recorder PRO (smartphone):
    http://www.theverge.com/products/galaxy-nexus-gsm/2946
    http://forum.xda-developers.com/showpost.php?p=35484769&postcount=52


    . Google Nexus 7 using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2012/06/28/nexus-7-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Google Nexus 10 using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2012/11/02/nexus-10-review/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1110#post_8973836


    . HTC Butterfly / HTC Droid DNA / HTC J Butterfly (smartphone):
    http://www.htc.com/www/smartphones/htc-butterfly/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1425#post_9082851


    . Huawei Ascend D1 Quad XL using USB Audio Recorder PRO (smartphone):
    http://www.engadget.com/2012/10/20/huawei-ascend-d1-quad-xl-review/
    http://www.head-fi.org/t/628254/fiio-e18/15#post_8988466


    . Huawei MediaPad using USB Audio Recorder PRO (tablet):
    http://www.androidnz.net/2012/09/rapid-review-huawei-mediapadt-mobile.html
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Meizu MX Quad-Core using USB Audio Recorder PRO (smartphone):
    http://www.xda-developers.com/android/meizu-mx-quad-core-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Motorola Razr Maxx HD using USB Audio Recorder PRO (smartphone):
    http://www.engadget.com/2012/10/19/droid-razr-hd-and-razr-maxx-hd-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Motorola Xoom using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2011/02/23/motorola-xoom-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Samsung Galaxy Camera EK-G100 using USB Audio Recorder PRO (camera):
    http://www.digitaltrends.com/digital-camera-reviews/samsung-galaxy-camera-ek-gc100-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Samsung Galaxy Note II (smartphone):
    http://www.engadget.com/2012/10/08/samsung-galaxy-note-ii-review/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs


    . Samsung Galaxy Note 10.1 (tablet):
    http://phandroid.com/samsung-galaxy-note-10-1/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/645#post_8814831


    . Samsung Galaxy R using USB Audio Recorder PRO (smartphone):
    http://www.engadget.com/2011/08/10/samsung-galaxy-r-officially-announced-for-europe-and-asia-nobod/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Samsung Galaxy S III (smartphone):
    http://www.theverge.com/2012/5/25/3042640/samsung-galaxy-s-iii-review
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs


    . Samsung Galaxy Tab 2 7.0 using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2012/04/11/samsung-galaxy-tab-2-7-0-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Samsung Galaxy Tab 7.7 using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2012/02/07/samsung-galaxy-tab-7-7-review-international-edition/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Samsung Galaxy Tab 10.1 using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2012/05/15/samsung-galaxy-tab-2-10-1-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Sony Xperia S using USB Audio Recorder PRO (smartphone):
    http://www.engadget.com/2012/03/08/sony-xperia-s-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Sony Xperia Sola using USB Audio Recorder PRO (smartphone):
    http://www.androidcentral.com/device/sony-xperia-sola
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Sony Xperia Tablet S using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2012/09/24/sony-xperia-tablet-s-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Toshiba Thrive using USB Audio Recorder PRO (tablet):
    http://www.engadget.com/2011/07/22/toshiba-thrive-review/
    http://www.extreamsd.com/USBAudioRecorderPRO/


    . Wiko Cink King using USB Audio Recorder PRO (smartphone):
    http://www.wikomobile.com/telephone-portable-Cink-king.php
    http://www.extreamsd.com/USBAudioRecorderPRO/




    A list of standard USB DAC reportedly interworking with the Android-powered smartphone Samsung Galaxy Note II:


    stock Galaxy Note II > digital USB audio out >> USB OTG cable (micro-A plug inserted into the Note II) >> standard USB DAC >> amp >> headphones


    . Apex Glacier (USB DAC/amp):
    http://www.head-fi.org/t/632019/apex-glacier-amp-dac-review-and-appreciation-thread
    http://www.head-fi.org/t/632019/apex-glacier-amp-dac-review-and-appreciation-thread/165#post_8924724


    . Asus Xonar U3 (USB DAC/amp):
    http://www.overclockersclub.com/reviews/asus_xonar_u3/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1200#post_8997468


    . Audio-gd NFB-16 (USB DAC/amp):
    http://www.audio-gd.com/Pro/Headphoneamp/NFB16/NFB16EN.htm
    http://www.head-fi.org/t/625054/samsung-galaxy-note-2/120#post_8943120


    . AudioQuest DragonFly using USB Audio Recorder PRO:
    http://www.head-fi.org/t/617241/audioquest-dragonfly-review-affordable-outstanding-tiny-dac-amp
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1035#post_8959237


    . CEntrance DACport LX using USB Audio Recorder PRO:
    http://www.headfonia.com/cheaper-better-the-centrance-dacport-lx/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1065#post_8968468


    . ELE EL-D01:
    http://www.cnfeature.com/goods.php?id=1299
    http://www.head-fi.org/t/643883/por...note-2-and-grado-sr80i-heaphones#post_9012249


    . FiiO E07K Andes (USB DAC/amp): to be confirmed
    http://www.headphiles.org/index.php?t=msg&goto=253249&
    http://www.head-fi.org/t/638910/new-fiio-e07k-andes-information-and-impressions/15#post_8924515
    http://www.head-fi.org/t/628254/fiio-e18/15#post_8973799


    . Focal XS 2.1 (USB speakers):
    http://reviews.cnet.com/speakers-speaker-systems/focal-xs-speakers-with/4505-6467_7-33618064.html
    http://www.homecinema-fr.com/forum/...16-go-android-4-1-2-t30029275.html#p177362999


    . GoVibe Magnum (USB DAC/amp):
    http://www.head-fi.org/t/324577/review-govibe-magnum-usb-dac-amp
    http://www.head-fi.org/t/633201/con...xy-s3-international-us-or-note-2#post_8809248


    . GoVibe Martini-U (USB DAC/amp):
    http://jaben-bandung.com/index.php?route=product/product&product_id=196
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/990#post_8942287


    . GoVibe Vulcan (USB DAC/amp):
    http://www.head-fi.org/t/386127/go-vibe-vulcan
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/960#post_8929084


    . HRT HeadStreamer Mobile (USB DAC/amp):
    http://highresolutiontechnologies.com/headstreamer-mobile
    http://www.computeraudiophile.com/f...-note-2-while-using-usb-dac-how-please-14029/


    . HeadAmp Pico USB DAC/Amp: bug fixed by HeadAmp
    http://www.headfonia.com/headamp-pico/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1305#post_9037872


    . HeadAmp Pico Upsampling USB DAC:
    http://www.head-fi.org/t/413230/headamp-pico-upsampling-usb-dac-pre-order-now-at-intro-price
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1305#post_9037872


    . Headstage Lyrix Pro USB total (USB DAC/amp):
    http://www.headphonia.com/Amps/Headstage-Lyrix-Pro-USB-total::10071.html
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/795#post_8854850


    . iBasso D-Zero (USB DAC/amp):
    http://www.headfonia.com/fiio-e7-meet-your-rival-the-ibasso-d-zero/
    http://www.head-fi.org/t/625054/samsung-galaxy-note-2/120#post_8943120


    . iBasso D12 (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=63
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/405#post_8750862


    . Leckerton UHA-6S MKII (USB DAC/amp):
    http://www.innerfidelity.com/content/leckerton-uha-6s-mkii-portable-headphone-amplifier
    http://www.head-fi.org/t/625054/samsung-galaxy-note-2/30#post_8777791


    . MyST 1866 PortaDAC (USB DAC/amp):
    http://www.musicaacoustics.com/wp/amplifiers/myst-1866/
    http://player.ru/showthread.php?t=74459&page=34&p=1084707&viewfull=1#post1084707


    . Objective DAC (ODAC):
    http://epiphany-acoustics.co.uk/our-products/e-dac-24bit-miniature-usb-dac/
    http://www.jdslabs.com/item.php?fetchitem=46
    http://www.headnhifi.com/index.php/shop/objective/odac
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/435#post_8758515


    . ODAC+O2 (USB DAC/amp):
    http://epiphany-acoustics.co.uk/our...ure-desktop-headphone-amplifier-with-usb-dac/
    http://www.jdslabs.com/item.php?fetchitem=48
    http://www.headnhifi.com/index.php/shop/objective/o2120527192048
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/435#post_8758515


    . RSA Intruder (USB DAC/amp):
    http://www.innerfidelity.com/conten...ruder-balanced-portable-headphone-amp-and-dac
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/660#post_8819856


    . RSA Predator (USB DAC/amp):
    http://www.6moons.com/audioreviews/predator/predator_2.html
    http://www.head-fi.org/t/625054/samsung-galaxy-note-2/120#post_8960049


    . Sony PHA-1 (USB DAC/amp):
    http://www.touchmyapps.com/2012/10/09/sony-pha-1-idevice-dac-and-headphone-amp-in-review/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/465#post_8769593


    . Stoner Acoustics UD100:
    http://www.head-fi.org/t/626632/tiny-dac-big-sound-impression-of-stoner-acoustics-ud100-vs-odac
    http://forum.lowyat.net/index.php?showtopic=2449848&st=220&p=56352256&#entry56352256


    . VentureCraft Go-Dap X (USB DAC/amp): USB cable provided by VentureCraft
    http://www.head-fi.org/t/609906/new-venturecraft-go-dap-x-for-both-idevices-and-pcs
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/465#post_8769593


    . xDuoo XP-1 (USB DAC/amp):
    http://www.jaben.com.hk/ProductView.asp?ID=776&SortID=358
    http://www.head-fi.org/t/642504/xduoo-new-company-making-interesting-portable-dac-and-amp-units


    . Zoom H4 using USB Audio Recorder PRO (USB recorder):
    http://en.wikipedia.org/wiki/Zoom_H4_Handy_Recorder
    http://forum.xda-developers.com/showpost.php?p=35472432&postcount=23




    So far, like the quad-core Exynos powered Galaxy S III, the new quad-core Exynos powered Samsung Galaxy Note II can work with the FiiO E7, the iBasso D12, Leckerton UHA-6S MKII, the ODAC, … ; had some issue with the HeadAmp Pico (bug fixed by HeadAmp); and doesn’t work with the FiiO E17 using the stock USB audio driver.


    So, in regard to the USB protocol, the behaviour of the Galaxy Note II is likely identical to the behaviour of the Galaxy S III.




    A list of standard USB DAC reportedly interworking with the Android-powered smartphone Samsung Galaxy S III:


    stock Samsung Galaxy S III > digital USB audio out >> USB OTG cable (micro-A plug inserted into the S III) >> standard USB DAC >> amp >> headphones


    . AMB Gamma 1:
    http://www.amb.org/audio/gamma1/
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/780#post_8750043


    . AMB Gamma 2:
    http://www.amb.org/audio/gamma2/
    http://forum.xda-developers.com/showpost.php?p=27247705&postcount=279


    . Apex Glacier (USB DAC/amp):
    http://www.ttvjaudio.com/Apex_High_Fi_Audio_Glacier_portable_headphone_amp_p/aaa0000010.htm
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/825#post_8776449


    . Asus Xonar U3 (USB DAC/amp):
    http://www.asus.com/Multimedia/Audio_Cards/Xonar_U3/
    http://mybroadband.co.za/vb/showthread.php/429589-Samsung-Galaxy-S3?p=8551119&viewfull=1#post8551119


    . Atoll DAC 100:
    http://www.6moons.com/audioreviews/atoll2/atoll.html
    http://forum.xda-developers.com/showpost.php?p=35266076&postcount=17


    . Audio-gd Sparrow Version A (USB DAC/amp):
    http://www.audio-gd.com/Pro/Headphoneamp/Sparrow/SparrowEN.htm
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/915#post_8907415


    . Behringer UCA202 (USB DAC/amp):
    http://www.behringer.com/EN/Products/UCA202.aspx
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/240#post_8654226


    . Behringer UCA222 (USB DAC/amp):
    http://www.behringer.com/en/Products/UCA222.aspx
    http://www.computeraudiophile.com/f6-dac-digital-analog-conversion/usb-audio-enabled-android-powered-samsung-galaxy-s-iii-12338/#post171651


    . Beresford Caiman:
    http://www.techradar.com/reviews/audio-visual/hi-fi-and-audio/hi-fi-accessories/beresford-caiman-673787/review
    http://www.computeraudiophile.com/f6-dac-digital-analog-conversion/usb-audio-enabled-android-powered-samsung-galaxy-s-iii-12338/#post171651


    . C-Media chipset-based sound card Dynamode 7 channel USB 2.0 (USB DAC/amp):
    http://soundplayer.systempebisnisonline.com/speaker/dynamode-7-channel-usb-2-0-sound-card/
    http://forum.xda-developers.com/showpost.php?p=27604946&postcount=449


    . Cakewalk Sonar SPS 25:
    https://www.cakewalk.com/support/kb/reader.aspx/2007013101
    http://www.computeraudiophile.com/f6-dac-digital-analog-conversion/usb-audio-enabled-android-powered-samsung-galaxy-s-iii-12338/#post171651


    . Cambridge Audio DacMagic:
    http://www.headfonia.com/cambridge-dacmagic-review/
    http://www.head-fi.org/t/631855/galaxy-s3-and-ca-dacmagic-plus#post_8899779


    . CEntrance DacMini using USB Audio Recorder PRO (USB DAC/amp):
    http://centrance.com/products/dacmini/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1200#post_8998731


    . Corsair HS1 Gaming headset (USB DAC/amp/headphones):
    http://www.anandtech.com/show/3989/corsair-hs1-gaming-headset
    http://forum.xda-developers.com/showthread.php?p=27238117#post27238117


    . Creative Xmod:
    http://reviews.cnet.com/external-audio-adapters/creative-xmod/4505-9335_7-32105686.html
    http://www.forum-audiophile.fr/musique-demat/fonction-usb-audio-a-activer-dans-android-t24441-60.html#p336853


    . Dared MP 5 or ALO JV5 (USB DAC/amp):
    http://www.positive-feedback.com/Issue24/dared_mp5.htm
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/990#post_8948190


    . ELE EL-D01:
    http://www.head-fi.org/t/586909/the-discovery-thread-new-dannybs-first-take-ath-ckn50-pg383-ele-hi-fi-usb-18-dac-pg-328/4905#post_8886336
    http://www.head-fi.org/t/642554/fiio-e7-galaxy-s3-questions-for-car-audio/15#post_8991125


    . FiiO E7 (USB DAC/amp):
    http://www.headfonia.com/fiio-e7-portable-dac/
    http://www.androidnz.net/2012/07/galaxy-s-iii-real-user-review-part-2.html


    . FiiO E07K Andes (USB DAC/amp): to be confirmed
    http://headfonics.com/2012/12/fiio-e07k-the-andes/
    http://www.head-fi.org/t/638910/new-fiio-e07k-andes-information-and-impressions/15#post_8924515
    http://www.head-fi.org/t/628254/fiio-e18/15#post_8973799


    . FiiO E17 using USB Audio Recorder PRO (USB DAC/amp):
    http://www.headfonia.com/the-upgrade-fiio-e17-alpen/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1020#post_8958018


    . Furutech ADL Cruise (USB DAC/amp):
    http://www.furutech.com/a2008/product2.asp?prodNo=399
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/585#post_8567838


    . GoVibe DAC:
    http://jaben.net/forums/index.php?topic=2824.0
    http://forum.lowyat.net/index.php?showtopic=2440879&st=500&p=53317360&#entry53317360


    . GoVibe Mini USB DAC:
    http://www.head-fi.org/t/566934/introducing-the-govibe-mini-usb-dac
    http://www.head-fi.org/t/614111/finally-digital-out-for-galaxy-siii/15#post_8525675


    . GoVibe Petite (USB DAC/amp):
    http://www.head-fi.org/t/290711/govibe-petite-dac-amp-appreciation-thread-pics-little-update
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs-how-to-increase-the-issues-priority-with-google/195#post_8552452


    . HRT HeadStreamer (USB DAC/amp):
    http://www.headfonia.com/hrt-headstreamer-review/
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/750#post_8677483


    . HRT Music Streamer II:
    http://highresolutiontechnologies.com/music-streamer-ii
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/465#post_8534856


    . HeadAmp Pico USB DAC/Amp: bug fixed by HeadAmp
    http://www.head-fi.org/t/258967/headamp-pico-portable-amp-w-optional-upsampling-24-96-usb-dac-pre-order-thread
    http://www.head-fi.org/t/632019/apex-glacier-amp-dac-review-and-appreciation-thread/270#post_9036297
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1305#post_9037872


    . HeadAmp Pico Upsampling USB DAC:
    http://www.headamp.com/pico/pico_usb_dac/index.htm
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1305#post_9037872


    . HeadRoom Total BitHead (USB DAC/amp):
    http://www.headphone.com/learning-center/bithead-faq.php
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs-how-to-increase-the-issues-priority-with-google/135#post_8527516


    . HeadStage USB DAC cable:
    http://www.inearmatters.net/2010/04/short-review-headstage-usb-dac-cable.html
    http://www.headphiles.org/index.php/topic,4452.msg241979.html#msg241979


    . HiFiMan Express HM-101:
    http://www.head-fi.org/t/571330/hifiman-express-brand-and-hm-101-portable-usb-dac
    http://forum.xda-developers.com/showpost.php?p=27284184&postcount=291


    . HiFimeDIY Sabre USB DAC using USB Audio Recorder PRO:
    http://hifimediy.com/index.php?route=product/product&product_id=83
    http://forum.xda-developers.com/showpost.php?p=36704343&postcount=75


    . Hippo CriCri+ using USB Audio Recorder PRO (USB DAC/amp):
    http://www.head-fi.org/t/626412/review-hippo-cricri-what-more-could-you-ask-from-this
    http://forum.lowyat.net/index.php?showtopic=2222840&st=60&p=57358183&#entry57358183


    . iBasso D-Zero (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=73
    http://www.head-fi.org/t/571116/review-ibasso-d-zero-with-fiio-e7-comparison/30#post_8933882


    . iBasso D2 Boa (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=30
    http://www.head-fi.org/t/552014/pictures-of-your-portable-rig-part-xv/5535#post_8509186


    . iBasso D2+ Boa (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=42
    http://www.computeraudiophile.com/f6-dac-digital-analog-conversion/usb-audio-enabled-android-powered-samsung-galaxy-s-iii-12338/#post171651


    . iBasso D5 (USB DAC/amp):
    http://www.head-fi.org/t/556490/ibasso-d5-hj-yet-another-usb-dac-amp
    http://www.head-fi.org/t/614111/finally-digital-out-for-galaxy-siii#post_8462693


    . iBasso D6 using USB Audio Recorder PRO (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=69
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1170#post_8980613


    . iBasso D10 (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=39
    http://www.head-fi.org/t/628374/samsung-galaxy-s3-to-dac-usb-micro-b-male-to-mini-b-male#post_8735134


    . iBasso D12 (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=63
    http://forum.xda-developers.com/showpost.php?p=29069294&postcount=924


    . iBasso DB2 using USB Audio Recorder PRO:
    http://www.ibasso.com/en/products/show.asp?ID=71
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1035#post_8959039


    . iQube v2 (USB DAC/amp):
    http://www.i-qube.nl/index.php?id=24
    http://forum.xda-developers.com/showpost.php?p=31207282&postcount=1268


    . JH Audio JH-3A (USB DSP/DAC/amp/JH16 CIEM):
    http://www.jhaudio.com/product/jh-3a-dsp-amp-jh16-pro-custom-ear-monitor
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/585#post_8799910


    . Jabra GN 5035 (USB headset):
    http://reviews.cnet.com/headsets/jabra-gn5035-headset/4505-13831_7-32462996.html
    http://forum.xda-developers.com/showpost.php?p=33203364&postcount=1368


    . KingRex UD-01:
    http://www.kingrex.co.uk/dac.html
    https://www.facebook.com/headfonia/posts/352787358128700


    . Leckerton UHA-4 (USB DAC/amp):
    http://www.leckertonaudio.com/products/uha-4/
    http://www.head-fi.org/t/536982/leckerton-audio-slimline-uha-4/1020#post_8773152


    . Leckerton UHA-6S MKII (USB DAC/amp):
    http://www.leckertonaudio.com/products/uha-6s-mkii/
    http://www.head-fi.org/t/602493/new-leckerton-uha-6s-mkii-portable-headphone-amplifier-announced-update-user-impressions-added-july-20th-2012/435#post_8698006


    . Logitech wíreless gaming headset G930 (USB wireless headset):
    http://www.logitech.com/en-gb/product/7248?crid=721
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1215#post_9004830


    . M-Audio Duo USB Audio Interface:
    http://www.soundonsound.com/sos/oct02/articles/maudio.asp
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/540#post_8788814


    . Matrix Mini-i (USB DAC/amp):
    http://www.headfonia.com/matrix-mini-i-balanced-dac/
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/465#post_8768166


    . Meier Audio Cantate.2 (USB DAC/amp):
    http://www.head-fi.org/products/meier-audio-corda-cantate-2
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/660#post_8820899


    . Microsoft Philips Digital Sound System 80 (USB DAC/amp/speakers):
    http://en.wikipedia.org/wiki/Digital_Sound_System_80
    http://forum.xda-developers.com/showthread.php?t=1703218


    . Microsoft LifeChat LX-3000 (USB headset):
    http://www.microsoft.com/hardware/en-au/p/lifechat-lx-3000/JUG-00003
    http://forum.xda-developers.com/showpost.php?p=32899845&postcount=1355


    . MyST 1866 PortaDAC (USB DAC/amp):
    http://www.head-fi.org/t/616889/myst-1866-bluetooth-optical-coaxial-usb-dac-headphone-amp-impressions-thread
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/795#post_8852573


    . NuForce Icon HDP (USB DAC/amp):
    http://www.nuforce.com/hp/products/iconhdp/index.php
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/585#post_8567838


    . NuForce Icon Mobile (USB DAC/amp):
    http://www.6moons.com/audioreviews/nuforce10/mobile.html
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/435#post_8759826


    . NuForce Icon uDAC-2 (USB DAC/amp):
    http://www.digitaltrends.com/headphone-amplifier-reviews/nuforce-icon-udac-2-review/
    http://forum.xda-developers.com/showpost.php?p=35266076&postcount=17


    . Objective DAC (ODAC):
    http://epiphany-acoustics.co.uk/our-products/e-dac-24bit-miniature-usb-dac/
    http://www.jdslabs.com/item.php?fetchitem=46
    http://www.headnhifi.com/index.php/shop/objective/odac
    http://www.head-fi.org/t/628374/samsung-galaxy-s3-to-dac-usb-micro-b-male-to-mini-b-male/30#post_8939722


    . ODAC+O2 (USB DAC/amp):
    http://epiphany-acoustics.co.uk/our-products/ehp-o2d-miniature-desktop-headphone-amplifier-with-usb-dac/
    http://www.jdslabs.com/item.php?fetchitem=48
    http://www.headnhifi.com/index.php/shop/objective/o2120527192048
    http://www.facebook.com/permalink.php?story_fbid=410941392302962&id=164588276945555


    . Ordnance .25 (USB DAC/amp):
    http://jaben.net/forums/index.php?topic=9984.0
    http://www.head-fi.org/t/614111/finally-digital-out-for-galaxy-siii#post_8462693


    . RSA Intruder (USB DAC/amp):
    http://www.raysamuelsaudio.com/products/intruder
    http://www.head-fi.org/t/627080/new-balanced-portable-amp-from-rsa-w-dac/30#post_8781567


    . RSA Predator (USB DAC/amp):
    http://www.raysamuelsaudio.com/products/predator
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/150#post_8538933


    . Sony PHA-1 (USB DAC/amp):
    http://www.head-fi.org/t/624676/sony-pha-1-portable-dac-amp
    http://www.head-fi.org/t/645086/samsung-galaxy-s3-and-hd598s#post_9033830


    . Stoner Acoustics UD100:
    http://stoneracoustics.blogspot.fr/
    http://forum.lowyat.net/index.php?showtopic=2452730&st=160&p=54596977&#entry54596977


    . Syba SD-AUD20101:
    http://www.sybausa.com/productInfo.php?iid=1191
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/375#post_8736082


    . Topping D1 Mark 2 (USB DAC/amp):
    http://www.head-fi.org/t/636606/topping-d1-mark-2-review
    http://forum.xda-developers.com/showpost.php?p=28673076&postcount=871


    . Topping D2 (USB DAC/amp):
    http://www.mightybigword.com/tnt/2012/03/topping-d2-dac-review/
    http://forum.xda-developers.com/showpost.php?p=32920194&postcount=1357


    . Topping TP30 (USB DAC/amp):
    http://news.cnet.com/8300-5_3-0.html?keyword=Topping+TP-30
    http://www.androidnz.net/2012/05/samsung-galaxy-s-iii-usb-audio.html


    . Turtle Beach Audio Advantage Micro II:
    http://linkai8424.blogspot.fr/2011/03/turtle-beach-audio-advantage-micro-ii.html
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1155#post_8978516


    . Unique Melody PP6 using USB Audio Recorder PRO (USB DSP/DAC/amp/CIEM):
    http://www.custom-iem.com/um-platform-pure-pp6-p-670.html
    http://www.head-fi.org/t/613417/unique-melody-platform-pure-6-pp6-discussion-appreciation-tour-thread/360#post_8965862


    . VentureCraft Go-Dap X (USB DAC/amp): USB cable provided by VentureCraft
    http://venturecraft.jp/gadget_en/gdx.php
    http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/315#post_8708233


    . xDuoo XP-1 (USB DAC/amp):
    http://www.xduoo.com/xduoo/ProductShow.asp?ID=47
    http://www.erji.net/read.php?tid=1320392&fpage=0&toread=&page=1

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  2. DanBa
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    DanBa New Member

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  3. peterpressure
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    peterpressure New Member

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    Guys!!!!!! It is in Jelly Bean!!!USB Audio Out support in Android 4.1!!!!Now they just need Audio input support then I am all set...Android 4.1 for Developers | Android DevelopersUSB AudioUSB audio output support allows hardware vendors to build hardware such as audio docks that interface with Android devices. This functionality is also exposed with the Android Open Accessory Development Kit (ADK) to give all developers the chance to create their own hardware.
  4. DanBa
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    DanBa New Member

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    The USB DAC recommended by Google is a new type of device. It is not compatible with PC or Mac.
    Android Open Accessory Protocol 2.0 | Android Developers
    Accessory Development Kit 2012 Guide | Android Developers


    [​IMG]


    A legacy USB DAC compatible with PC / Mac acts as a USB device, and a PC / Mac acts as a USB host.
    A USB DAC recommended by Google acts as a USB host, and a Android smartphone / tablet acts as a USB device.

    Personally, I prefer the legacy USB audio feature implemented by Samsung on Galaxy S III, which can interwork with a legacy USB DAC like FiiO E7 or ODAC.

    The legacy USB audio feature is still specified in the Android specs:
    USB Host and Accessory | Android Developers
    USB Host | Android Developers
    UsbConstants | Android Developers
    "USB_CLASS_AUDIO USB class for audio devices"
  5. DanBa
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    DanBa New Member

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    An Android 4.1 Jelly Bean-powered device can have both USB audio out modes: standard USB audio out and Android-specific USB audio out.
    These features are at the Android kernel level.
    http://developer.android.com/tools/adk/aoa...l#audio-support


    "Android Open Accessory Protocol 2.0 includes optional support for audio output from an Android device to an accessory. This version of the protocol supports a standard USB audio class interface that is capable of 2 channel 16-bit PCM audio with a bit rate of 44100 Khz. AOA 2.0 is currently limited to this output mode, but additional audio modes may be added in the future.
    To enable the audio support, the accessory must send a new USB control request: SET_AUDIO_MODE"


    [​IMG]


    [​IMG]


    [​IMG]

    It should be easy to enable standard USB audio out and Android-specific USB audio out on an Android 4.1 Jelly Bean-powered device with USB host capability.


    Let's keep up the pressure on Google and the Android device manufacturers for the standard USB audio out:
    http://code.google.com/p/android/issues/de...Summary Stars
  6. DanBa
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    DanBa New Member

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    A list of standard USB DAC reportedly interworking with the Android-powered smartphone Samsung Galaxy S III for the time being:

    Samsung Galaxy S III > digital audio stream >> USB OTG cable with USB Micro-A plug inserted in the S III >> standard USB DAC >> amp >> headphones

    . AMB Labs Gamma2:
    The γ2 Compact High Performance DAC
    xda-developers - View Single Post - Official Sound Quality thread

    . C-Media chipset-based sound card Dynamode 7 channel USB 2.0:
    Cables - Cheap Cables from Cables Manufacturer. View product (40099516) info.
    xda-developers - View Single Post - Official Sound Quality thread

    . Corsair HS1 Gaming headset (USB DAC/amp/headphones):
    AnandTech - Corsair HS1 Gaming Headset
    Galaxy sIII definitely works with usb speakers - xda-developers

    . FiiO E7 (USB DAC/amp):
    FIIO-Amplifier
    AndroidNZ: The Galaxy S III "Real-user" Review: Part 2 - Entertainment and media - Music and video playback, gaming, browser

    . GoVibe Mini USB DAC:
    Jaben Audio — Go-Vibe Mini USB DAC
    Finally, digital out for Galaxy SIII

    . HeadAmp Pico (USB DAC/amp):
    HeadAmp - Audio Electronics (pico USB DAC/Amp)
    Wolfson DAC confirmed for Galaxy S3!

    . HeadRoom Total BitHead (USB DAC/amp):
    FAQs - BitHead Portable Headphone Amplifier | HeadRoom Audio
    Android phones and USB DACs - how to increase the issues priority with Google

    . HiFiMan Express HM-101:
    HIFIMAN EXPRESS Brand and HM-101 Portable USB DAC
    xda-developers - View Single Post - Official Sound Quality thread

    . iBasso D2 Boa (USB DAC/amp):
    iBasso
    Pictures Of Your Portable Rig (part XV)

    . iBasso D5 (USB DAC/amp):
    iBasso D5 Hj - Yet Another USB DAC/Amp
    Finally, digital out for Galaxy SIII

    . iBasso D12 (USB DAC/amp):
    iBasso
    Finally, digital out for Galaxy SIII

    . Microsoft Philips Digital Sound System 80 (USB DAC/amp/speakers):
    Digital Sound System 80 - Wikipedia, the free encyclopedia
    Galaxy sIII definitely works with usb speakers - xda-developers

    . Objective DAC (ODAC):
    E-DAC 24bit miniature USB DAC | Epiphany Acoustics
    JDS Labs - Standalone ODAC
    ODAC
    https://plus.google.com/107354758331405644147/posts/PCaM42irMeU

    . ODAC+O2 (USB DAC/amp):
    EHP-O2D miniature desktop headphone amplifier with USB DAC | Epiphany Acoustics
    JDS Labs - O2+ODAC Combo
    O2+ODAC Headphone Amplifier / DAC combo
    https://plus.google.com/107354758331405644147/posts/PCaM42irMeU

    . RSA Predator (USB DAC/amp):
    Emmeline "The Predator" Portable USB DAC/Amp - Ray Samuels Audio
    Enable USB audio on any Android 4.0 device

    . Topping D1 Mark 2 (USB DAC/amp):
    Google Translate
    xda-developers - View Single Post - Official Sound Quality thread

    . Topping TP30 (USB DAC/amp):
    Topping TP-30 posts on CNET
    AndroidNZ: The Samsung Galaxy S III: USB audio confirmed!
  7. DanBa
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    The Samsung Galaxy S III interworks with the asynchronous USB DAC HRT Streamer II:
    Wolfson DAC confirmed for Galaxy S3!

    Samsung Galaxy S III > digital audio stream >> USB OTG cable with USB Micro-A plug inserted in the S III >> asynchronous USB DAC HRT Streamer II >> cMoyBB headphone amplifier >> headphones


    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]
  8. DanBa
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    Samsung Galaxy S III interworks with RSA Predator:
    Android phones and USB DACs - how to increase the issues priority with Google


    "Just purchased a usb otg cable today and tried out with my RSA predator, works without any problem.
    What a suprise! the sound quality actually upgraded, from iPod classic + Predator(amp only) to SIII + Predator(DAC/amp)"


    Samsung Galaxy S III > digital audio stream >> USB OTG cable >> USB DAC/amp RSA Predator >> IEM




    [​IMG]
  9. DanBa
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    DanBa New Member

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    The combo "Odac + Neco V3" is very well-praised:
    NECO SOUNDLABS PORTABLE V.2 AMP

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]


    "ODAC + NECO V.3 + Sennheiser HD580 = A MATCH MADE IN HEAVEN.
    I can't tell you how beautiful this rig sounds. We all know how well the HD580/600 scales with better sources and amps.. but synergy is often undervalued. The ODAC is beautifully resolving and clean.. but the Neco really steals the show, IMO.
    My V.3 has the 8610s & lithium battery.. and boy, does the HD580 love it. A DEAD silent background, fantastic dynamic range.. and the artful Sennheiser sound.. on steroids! Treble has spectacular air, crispness, and detail.. the mids are very very transparent and deep.. with the bass coming tight and punchy. One thing I've really noticed the Senn benefits from is the V.3's dual opamp setup.. which provide fantastic channel separation, imaging, and soundstage. It's so immersive.. I can listen to this setup for hours on end. I like this little combo more than my desktop rig (via the tube or SS output!) and the ODAC+O2 (which is a little too clinical). For those one the fence about this amp.. stop waffling.. it's a GEM.
    I also dropped the gain jumpers in so I've got it set at low gain (2.3x) since it's being used with the ODAC (2 Vrms output). the Neco it quite ably drives the HE-500, btw. Very clean & dynamic, again.

    When driving the HE-500.. I like this combo more than the O2."


    The Odac USB DAC can interwork with an Android powered smartphone Samsung Galaxy S III as well as with a PC or a Mac.

    Odac USB DAC:
    E-DAC 24bit miniature USB DAC | Epiphany Acoustics JDS Labs - Standalone ODAC
    ODAC

    Neco V3 amp :
    new V3 DUAL AMP portable headphone amplifier | eBay
  10. peterpressure
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    peterpressure New Member

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    Anyone try with the Nexus 7 yet?

    I received my Nexus 7, waiting for my OTG cable to arrive this week and I will try a few DACs I have around.
  11. DanBa
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    DanBa New Member

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  12. tonymail
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    tonymail New Member

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    Thank you for sharing this helpful post it is very interesting and read worthy.
  13. DanBa
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    DanBa New Member

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    A stock Jelly Bean powered Nexus 7 should be able to interwork with an upcoming Android-specific USB audio out-capable USB DAC, like the Gear4 speaker dock, that acts a USB host (and the Nexus 7 as a USB peripheral).
    Gear4 speaker dock supports USB audio for Jelly Bean at Google I/O 2012 (hands-on video) -- Engadget

    Nexus 7 operating as a USB peripheral > digital audio stream >> Android-specific USB DAC "Gear4 speaker dock" operating as a USB host > Gear4 speaker dock’s amp > Gear4 speaker dock’s speakers

    Anyway, the Android-specific USB audio driver is included in the Jelly Bean kernel source code of the Nexus 7:
    [REF] All In One Nexus 7 Jelly Bean Android Development ! Sources,Roms,Kernels etc - xda-developers
    https://github.com/edoko/Air_Kernel_for_GN/blob/master/drivers/usb/gadget/f_audio_source.c#L2

    2 * Gadget Function Driver for USB audio source device
    4 * Copyright (C) 2012 Google, Inc.

    43 .bInterfaceClass = USB_CLASS_AUDIO,
    44 .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,

    308 .bInterfaceClass = USB_CLASS_AUDIO,
    309 .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING,



    The standard USB audio driver is also included in the Jelly Bean kernel source code of the Nexus 7:
    https://github.com/drewis/android_k...tegra3-grouper-3.1-jb-fr2/sound/usb/card.c#L2

    2 * (Tentative) USB Audio Driver for ALSA

    174 if ((altsd->bInterfaceClass != USB_CLASS_AUDIO &&
    175 altsd->bInterfaceClass != USB_CLASS_VENDOR_SPEC) ||
    176 altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIOSTREAMING) {


    692 .bInterfaceClass = USB_CLASS_AUDIO,
    693 .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL }


    a standard USB audio-enabled Nexus 7 operating as a USB host > digital audio stream >> standard USB DAC like FiiO E7 or Objective DAC operating as a USB peripheral >> amp >> headphones


    It’s up to us to require Google & Android device manufacturers to enable standard USB audio!
    Issue 24614 - android - Enable USB audio on the Galaxy Nexus (or any Android 4.0 device) - Android - An Open Handset Alliance Project - Google Project Hosting
  14. peterpressure
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    peterpressure New Member

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    What about an app that enables this standard USB driver on rooted devices. Not the best, but a solution for now.
    Google Nexus 7 Tablet (Tegra 3)
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    Instructions of Tsynik, who has successfully enabled the standard USB audio feature on some Android-powered tablets:
    USB audio cards support (drivers and libs) - SlateDroid.com
    "There are no special code for support USB sound devices in Android itself. It's all in Hardware Abstraction Layer, so it's always device specific.

    We just need 3 base things:
    1st: USB Host support in Android kernel.
    2nd. USB audio driver, in kernel, or compiled as a module.
    3rd. Some logic to switch to USB audio card, or back to internal one. So, it can be checkbox in Android preferences, or automatic switching via init.rc and it's on-device-added events. Last thing is your choise, you can set it in many ways (as it's controlled by property change, or, on other devices, by asound.conf rules), but it's not universal yet."
  16. FoxKat
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    FoxKat Super Moderator Staff Member Premium Member

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    Pennsylvania
    Man, I have got to jump onto this ship!
  17. DanBa
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    DanBa New Member

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    A list of standard USB DAC reportedly interworking with the Android-powered smartphone Samsung Galaxy S III for the time being:

    Samsung Galaxy S III > digital audio stream >> USB OTG cable with USB Micro-A plug inserted in the S III >> standard USB DAC >> amp >> headphones

    . AMB Labs Gamma2:
    http://www.amb.org/audio/gamma2/
    http://forum.xda-developers.com/showpost.php?p=27247705&postcount=279

    . Behringer UCA222:
    http://www.behringer.com/en/Products/UCA222.aspx
    http://www.computeraudiophile.com/f...owered-samsung-galaxy-s-iii-12338/#post171651

    . Beresford Caiman:
    http://www.techradar.com/reviews/au...fi-accessories/beresford-caiman-673787/review
    http://www.computeraudiophile.com/f...owered-samsung-galaxy-s-iii-12338/#post171651

    . C-Media chipset-based sound card Dynamode 7 channel USB 2.0 (USB DAC/amp):
    http://www.chinacomputerparts.com/d-p1140199199635616900-cables/
    http://forum.xda-developers.com/showpost.php?p=27604946&postcount=449

    . Cakewalk Sonar SPS 25:
    https://www.cakewalk.com/support/kb/reader.aspx/2007013101
    http://www.computeraudiophile.com/f...owered-samsung-galaxy-s-iii-12338/#post171651

    . Corsair HS1 Gaming headset (USB DAC/amp/headphones):
    http://www.anandtech.com/show/3989/corsair-hs1-gaming-headset
    http://forum.xda-developers.com/showthread.php?p=27238117#post27238117

    . FiiO E7 (USB DAC/amp):
    http://fiio.com.cn/product/index.aspx?ID=28&MenuID=020301
    http://www.androidnz.net/2012/07/galaxy-s-iii-real-user-review-part-2.html

    . Furutech ADL Cruise (USB DAC/amp):
    http://www.furutech.com/a2008/product2.asp?prodNo=399
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/585#post_8567838

    . GoVibe DAC:
    http://jaben.net/forums/index.php?topic=2824.0
    http://forum.lowyat.net/index.php?showtopic=2440879&st=500&p=53317360&#entry53317360

    . GoVibe Mini USB DAC:
    http://www.jaben.com.au/collections/go-vibe/products/govibe-minidac
    http://www.head-fi.org/t/614111/finally-digital-out-for-galaxy-siii/15#post_8525675

    . GoVibe Petite (USB DAC/amp):
    http://www.head-fi.org/t/290711/govibe-petite-dac-amp-appreciation-thread-pics-little-update
    http://www.head-fi.org/t/595071/and...-issues-priority-with-google/195#post_8552452

    . HRT Music Streamer II:
    http://highresolutiontechnologies.com/music-streamer-ii
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/465#post_8534856

    . HeadAmp Pico (USB DAC/amp): (apparently with only US S III for the time being)
    http://www.headamp.com/pico/pico_dac_amp/index.htm
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/480#post_8539705

    . HeadRoom Total BitHead (USB DAC/amp):
    http://www.headphone.com/learning-center/bithead-faq.php
    http://www.head-fi.org/t/595071/and...-issues-priority-with-google/135#post_8527516

    . HiFiMan Express HM-101:
    http://www.head-fi.org/t/571330/hifiman-express-brand-and-hm-101-portable-usb-dac
    http://forum.xda-developers.com/showpost.php?p=27284184&postcount=291

    . iBasso D-Zero (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=73
    http://neutronmp.com/forum/viewtopic.php?f=4&t=314&start=20#p1636

    . iBasso D2 Boa (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=30
    http://www.head-fi.org/t/552014/pictures-of-your-portable-rig-part-xv/5535#post_8509186

    . iBasso D2+ Boa (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=42
    http://www.computeraudiophile.com/f...owered-samsung-galaxy-s-iii-12338/#post171651

    . iBasso D5 (USB DAC/amp):
    http://www.head-fi.org/t/556490/ibasso-d5-hj-yet-another-usb-dac-amp
    http://www.head-fi.org/t/614111/finally-digital-out-for-galaxy-siii#post_8462693

    . iBasso D12 (USB DAC/amp):
    http://www.ibasso.com/en/products/show.asp?ID=63
    http://forum.xda-developers.com/showpost.php?p=29069294&postcount=924

    . KingRex UD-01:
    http://www.kingrex.co.uk/dac.html
    https://www.facebook.com/headfonia/posts/352787358128700

    . Microsoft Philips Digital Sound System 80 (USB DAC/amp/speakers):
    http://en.wikipedia.org/wiki/Digital_Sound_System_80
    http://forum.xda-developers.com/showthread.php?t=1703218

    . NuForce Icon HDP (USB DAC/preamp/amp):
    http://www.nuforce.com/hp/products/iconhdp/index.php
    http://www.head-fi.org/t/608535/wolfson-dac-confirmed-for-galaxy-s3/585#post_8567838

    . Objective DAC (ODAC):
    http://epiphany-acoustics.co.uk/our-products/e-dac-24bit-miniature-usb-dac/
    http://www.jdslabs.com/item.php?fetchitem=46
    http://www.headnhifi.com/index.php/shop/objective/odac
    https://plus.google.com/107354758331405644147/posts/PCaM42irMeU

    . ODAC+O2 (USB DAC/amp):
    http://epiphany-acoustics.co.uk/our...ure-desktop-headphone-amplifier-with-usb-dac/
    http://www.jdslabs.com/item.php?fetchitem=48
    http://www.headnhifi.com/index.php/shop/objective/o2120527192048
    https://plus.google.com/107354758331405644147/posts/PCaM42irMeU

    . Ordnance .25 (USB DAC/amp):
    http://jaben.net/forums/index.php?topic=9984.0
    http://www.head-fi.org/t/614111/finally-digital-out-for-galaxy-siii#post_8462693

    . Topping D1 Mark 2 (USB DAC/amp):
    http://translate.googleusercontent....?id=25&usg=ALkJrhhte1Q6A1NnVWodszs9J4x85vGfDg
    http://forum.xda-developers.com/showpost.php?p=28673076&postcount=871

    . Topping TP30 (USB DAC/amp):
    http://news.cnet.com/8300-5_3-0.html?keyword=Topping TP-30
    http://www.androidnz.net/2012/05/samsung-galaxy-s-iii-usb-audio.html
  18. DanBa
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    DanBa New Member

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    A custom Nexus 7 interworks with a standard USB DAC:
    Android phones and USB DACs - how to increase the issues priority with Google

    modded Nexus 7 > digital audio stream >> USB OTG cable >> USB DAC Turtle Beach MICRO II > analog audio stream >> amp >> speakers
    or
    modded Nexus 7 > digital audio stream >> USB OTG cable >> Turtle Beach MICRO II > SPDIF digital audio stream >> SPDIF DAC/amp >> speakers


  19. DanBa
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    DanBa New Member

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    Apparently "Galaxy S III + (some) USB DAC" and "(some) computer + (some) USB DAC" have at least the same sound quality:

    "How about the SQ of the S3 + NuForce Icon HDP? What headphones do you use?"

    "It's quite good. Slightly, not very noticeable, better than it was connected to my computer.
    So if you wanna know more about this, you can just simply refer to those review of HDP.
    P.S. I am using HD600 & UM1 for testing"
    Wolfson DAC confirmed for Galaxy S3!

    "For anyone interested, the D12 USB DAC works when connected to a Galaxy S3. It sounds the same to me as it does when connected to a computer."
    Ibasso D12 vs Pico DAC/Amp - Page 2 - Portable Audio - www.Head-Case.org
  20. DanBa
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    A custom Nexus 7 interworks with a standard USB DAC FiiO E10 (that doesn’t work with stock Samsung Galaxy S III for the time being):


    custom Nexus 7 > digital audio stream >> USB DAC/amp FiiO E10 >> Sennheiser HD-380


    Instructions for customizing a Nexus 7:
    [DER KERNEL] Trinity Seven - Page 44 - xda-developers
    Instructions for connecting USB DAC to Touch


    "Code:
    pcm.usbdac {
    type hw;
    card Audio;
    }
    ctl.usbdac {
    type hw;
    card Audio;
    }
    pcm.!default usbdac



    Back up your asound.conf and add this (or for simplicity sake, replace it with this)


    This allows me to use my Nexus 7 to play over my Fiio E10 USB DAC, N7 + E10 + HD380 == fun.



    It's too late for me to work on combining this with the stock asound.conf.


    It's in /etc/ on stock rom and works once replaced."
    xda-developers - View Single Post - [DER KERNEL] Trinity Seven


    "We are lucky, no such file or luck on GN or SGS3 yet, need to first understand how alsa works on those phones.



    Yes, double check you need the alteration.
    I never got sounds out the USB DAC without it.
    And now with it, plays fine with DAC, but also when DAC is not plugged, plays sounds as if I never changed anything.

    Which is nice either way, not needing to change the file all the time.

    Need to find out if/how I can modify the default device for np and sgs3 now, they neither had nor sorry the file.
    No support meaning adding the file doesn't change anything there."

    xda-developers - View Single Post - [DER KERNEL] Trinity Seven
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