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post #271 of 320 Old 10-25-2014, 09:44 AM - Thread Starter
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HiSonus UFO-DSD USB DAC/amp:
http://positive-feedback.com/Issue74/ufo_dsd.htm
http://blog.naver.com/PostView.nhn?b...No=20201105400

Samsung Galaxy S4 >> USB OTG cable >> HiSonus UFO-DSD >> headphones






Samsung Galaxy S4 >> USB OTG-Y cable powered by a 5V power bank >> HiSonus UFO-DSD >> headphones









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post #272 of 320 Old 10-26-2014, 05:03 AM - Thread Starter
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Samsung Galaxy Note 4 & DSD-capable Chord Hugo DAC/amp:
http://www.whathifi.com/chord-electronics/hugo/review
http://www.head-fi.org/t/735575/sams...#post_10991423

Galaxy Note 4 >> Chord Hugo >> JH Roxanne AKR 03 IEM

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post #273 of 320 Old 11-01-2014, 05:28 AM - Thread Starter
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Upcoming DSD compatible Teac HA-P90SD USB DAC-amp / DAP:
http://av.watch.impress.co.jp/docs/n...25_673072.html











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post #274 of 320 Old 11-08-2014, 01:44 AM - Thread Starter
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Android - USB Digital Audio
http://source.android.com/devices/audio_usb.html

Android USB modes
. Host mode

[Android device as USB host >> USB OTG cable >> standard USB DAC as USB peripheral]



"As the Android device must act as host, and most Android devices include a micro-USB connector that does not directly permit host operation, an On-The-Go (OTG) adapter such as this is usually required:"



[A special micro USB plug, i.e. micro USB OTG plug, with "pin 4/ID connected to pin 5/Ground" (or "ID pin grounded"), when inserted into a micro USB receptacle of a USB OTG-featured Android device, will switch this Android device to USB host mode, able to interwork with a USB peripheral device like a standard USB DAC.]

"An Android device might not provide sufficient power to operate a particular peripheral, depending on how much power the peripheral needs, and how much the Android device is capable of supplying. Even if adequate power is available, the Android device battery charge may be significantly shortened. For these situations, use a powered hub such as this:"



[500 mA is a maximum current load required by a standard USB DAC. The latest flagship Android devices can provide 500 mA.]

. Accessory mode
"In this mode, the Android device operates as a USB peripheral, under the control of another device such as a dock that serves as host.
Accessory mode was extended with additional features in Android 4.1, in particular audio described below."

[Android device as USB peripheral >> regular USB cable >> Android-specific USB DAC compliant with the Android Open Accessory protocol 2.0 (AOA 2.0)]





Android support for USB audio class
. Host mode

"Android 5.0 (API level 21) and above supports a subset of USB audio class 1 (UAC1) features:

. The Android device must act as host
. The audio format must be PCM (interface type I)
. The bit depth must be 16-bits, 24-bits, or 32-bits where 24 bits of useful audio data are left-justified within the most significant bits of the 32-bit word
. The sample rate must be either 48, 44.1, 32, 24, 22.05, 16, 12, 11.025, or 8 kHz
. The channel count must be 1 (mono) or 2 (stereo)"

[The USB Audio Class 1 (UAC1) standard allows for 96 kHz max.
USB Audio Class 2 (UAC2) additionally supports sample rates up to 384 kHz.]

. Accessory mode
"Android 4.1 (API level 16) added limited support for audio playback to the host. While in accessory mode, Android automatically routes its audio output to USB.
The audio format must be 16-bit PCM.
The sample rate must be 44.1 kHz.
The channel count must be 2 (stereo).
Accessory mode audio has not been widely adopted, and is not currently recommended for new designs."

[An Android-specific USB DAC is compliant with the Android Open Accessory protocol 2.0 (AOA 2.0).]
Enable USB audio on any Android 4.0 smartphone/tablet
Enable USB audio on any Android 4.0 smartphone/tablet
http://www.pioneerelectronics.com/PU...+Compatibility
http://www.jvc.net/cs/car/firmware/2014/aoa/index.html



Applications of USB digital audio - A tale of two DACs
"In the example diagram below, we compare two designs. First we have a mobile device with Application Processor (AP), on-board DAC, amplifier, and analog TRS connector attached to headphones. We also consider a mobile device with USB connected to external USB DAC and amplifier, also with headphones.



Which design is better? The answer depends on your needs. Each has advantages and disadvantages.
Note: this is an artificial comparison, since a real Android device would probably have both options available.

The first design A is simpler, less expensive, uses less power, and will be a more reliable design assuming otherwise equally reliable components. However, there are usually audio quality tradeoffs vs. other requirements. For example, if this is a mass-market device, it may be designed to fit the needs of the general consumer, not for the audiophile.

In the second design, the external audio peripheral C can be designed for higher audio quality and greater power output without impacting the cost of the basic mass market Android device B. Yes, it is a more expensive design, but the cost is absorbed only by those who want it.

Mobile devices are notorious for having high-density circuit boards, which can result in more opportunities for crosstalk that degrades adjacent analog signals. Digital communication is less susceptible to noise, so moving the DAC from the Android device A to an external circuit board C allows the final analog stages to be physically and electrically isolated from the dense and noisy circuit board, resulting in higher fidelity audio.

On the other hand, the second design is more complex, and with added complexity come more opportunities for things to fail. There is also additional latency from the USB controllers."



Implementing USB audio
. Recommendations for audio peripheral vendors
"In order to inter-operate with Android devices, audio peripheral vendors should:
. design for audio class compliance; currently Android targets class 1, but it is wise to plan for class 2
. avoid quirks
. test for inter-operability with reference and popular Android devices
. clearly document supported features, audio class compliance, power requirements, etc. so that consumers can make informed decisions."

. Recommendations for Android device OEMs and SoC vendors
"In order to support USB digital audio, device OEMs and SoC vendors should:
. enable all kernel features needed: USB host mode, USB audio, isochronous transfer mode
. keep up-to-date with recent kernel releases and patches; despite the noble goal of class compliance, there are extant audio peripherals with quirks, and recent kernels have workarounds for such quirks
. enable USB audio policy as described below
. test for inter-operability with common USB audio peripherals."
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post #275 of 320 Old 11-09-2014, 10:53 AM - Thread Starter
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LG G3 to get Android 5.0 Lollipop OTA update during this week:
http://www.youmobile.org/blogs/entry...ring-this-Week

"Google delivered the Lollipop 5.0 source code last week. This week, LG G3 users will receive their long-waited Android 5.0 Lollipop OTA update. The Korean manufacturer announced today that the update is ready and its planning on releasing it this week to its latest flagship device.

The rollout of Android 5.0 to the handset will begin in Poland. More key markets will follow shortly.

The Korean giant is the first major smartphone manufacturer to deliver the latest Android build to its halo smartphone. LG will subsequently announce Android 5.0 upgrade schedule for the rest of its lineup of mobile devices."




I'm wondering if the native USB audio of the Android 5.0 Lollipop-powered LG G3 is:
. the new one designed by Google, or
. the original one designed by LG, or
. a mix.


Issue 24614: Add support for USB Audio
Status: Released
Closed: Nov 6

"Basic features of USB host mode audio are now implemented in Android 5.0.

For consumers on Nexus devices only, see this article in English: “Record and play back audio using USB host mode”
https://support.google.com/nexus/answer/6127700
It should be published in more languages over the next two weeks.
As noted, only selected Nexus devices support this feature.

Support on other non-Nexus Android devices is up to each device manufacturer.

For Android device OEMs, SoC vendors, USB audio peripheral suppliers, advanced audio application developers, and others seeking detailed understanding of USB digital audio internals on Android.
see http://source.android.com/devices/audio_usb.html

As mentioned at comment #1345 above, this is the initial support.
I know there are more use cases and features that are not yet supported (for example "audiophile" and multi-channel).
And there are combinations of Android devices and USB peripherals that don't work.
I can't commit to supporting everything, but I do want to increase peripheral coverage and add the most critical missing features.

As this issue is now closed, please feel free to file new issues here for your favorite features and (class-compliant) USB audio peripherals that don't work.
Please include the exact manufacturer name and model, a link to the USB peripheral page, a short description of which Android device you used, what you expected to have happen, and what actually happened.
Thanks!"
[Android audio team]
https://code.google.com/p/android/is...id=24614#c1347
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post #276 of 320 Old 11-10-2014, 01:47 AM - Thread Starter
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Motorola Moto G 4G & iFi micro iDSD :
http://www.cnet.com/products/motorola-moto-g-4g-lte/
http://www.enjoythemusic.com/magazin..._amplifier.htm
http://www.head-fi.org/t/595071/andr...#post_11029179

Moto G 4G with USB Audio Player PRO >> USB OTG cable >> iFi micro iDSD USB DAC/amp >> headphones



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post #277 of 320 Old 11-12-2014, 01:28 PM - Thread Starter
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Samsung Galaxy Note 4 & DSD-ready LH Labs Geek Out 1000:
http://www.audiostream.com/content/d...s-dsd-dac-list
http://www.audiostream.com/content/l...hone-amplifier
http://www.head-fi.org/t/735575/sams...#post_11036995

Galaxy Note 4 >> Geek Out 1000 USB DAC/amp >> headphones





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post #278 of 320 Old 11-13-2014, 02:11 PM - Thread Starter
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Google Nexus 9 & native USB audio:
http://www.engadget.com/products/htc/nexus/9/
http://www.whathifi.com/audioengine/d1/review

stock Nexus 9 running on Android 5.0 Lollipop with Neutron music player >> USB OTG cable >> Audioengine D1 USB DAC/amp >> M-Audio Q40 headphones

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post #279 of 320 Old 11-14-2014, 03:33 PM - Thread Starter
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EE Kestrel a.k.a. Huawei Ascend G6 4G ("cheapest 4G phone in UK") and native USB audio:
http://recombu.com/mobile/article/hu...kestrel-review
http://www.trustedreviews.com/ee-kestrel-review
http://www.gspaudio.co.uk/blog/ee-hu...ie_post91.html

EE Kestrel >> Graham Slee Bitzie USB DAC/amp



EE Kestrel >> Graham Slee Majestic USB DAC/preamp

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post #280 of 320 Old 11-16-2014, 01:49 PM - Thread Starter
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iBasso D-Zero MK2 USB DAC/amp:
http://electronics.forumsee.com/a/m/...-zero-mk2.html

"The MK2 differs from the original D-Zero significantly in a number of ways, most notably that instead of amplification by single opamp chips, the architecture is now OP+Buffer, similar to most higher-end amplifiers ..."









Like the original iBasso D-Zero, the iBasso D-Zero MK2 has two USB power modes:
. bus-powered mode when the CHARGE switch is turned to On position (i.e. the Android device powers the connected iBasso D-Zero MK2)
. self-powered mode when the CHARGE switch is turned to Off position (i.e. the iBasso D-Zero MK2 is powered by its battery).
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post #281 of 320 Old 11-18-2014, 03:15 AM - Thread Starter
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A cheap audiophile Spotify Connect solution
http://dedicatedspotifyserver.wordpress.com/

"These days there are a lot of cheap Android mini pc’s, which are meant to make a Smart-TV of your old digital TV. It is in fact a small pc, with Android running on it. You can connect it via HDMI to you TV and watch YouTube etc. But we don’t want that, we want Spotify on our Hifi-set!
It turns out that some of these Android mini pc’s support USB-DAC’s out of the box! No ROM-hacking or rooting, just the basic firmware (Android 4.2.2) I bought the MK808B or MK808ii for about 40 euro’s. It’s fast enough to show 1080p video, so it’s definitely fast enough to play a Spotify stream.
When I connected my USB DAC it immediately recognized it."

Tronsmart MK808II Android mini PC >> Hifimediy Sabre U2 Asynchronous USB DAC >> amp >> speakers or headphones




Spotify backend infrastructure >> Internet >> Spotify running on Tronsmart MK808II Android mini PC remote-controlled by Spotify running on tablet/phone >> Hifimediy Sabre U2 Asynchronous USB DAC >> amp >> speakers or headphones


Tronsmart MK808II Android mini PC:
http://www.amazon.com/Tronsmart-MK80...PEI/ref=sr_1_1



Hifimediy Sabre U2 Asynchronous USB DAC:
http://hifimediy.com/U2-DAC

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post #282 of 320 Old 11-18-2014, 10:51 AM
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Hi,
Looking for some advise here...

Currently I am using my Nexus 5 --> Muse USB DAC --> Marantz Amp ---> B&W Speakers.

However the Nexus 5 is limited to 16gb space. I'm wondering will it work with a OTG Y-Cable. One outlet to USB DAC and the other to a USB Drive?

Last edited by wunderkind; 11-18-2014 at 10:57 AM.
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post #283 of 320 Old 11-19-2014, 08:46 AM - Thread Starter
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There is no such OTG Y-cable, because it is not compliant with the USB specification.


There are at least two ways to increase the memory storage available to the Nexus 5:
1. Using USB devices:
Nexus 5 >> battery-powered / wallwart-powered USB hub connected to a USB hard drive >> Muse USB DAC >> Marantz amp >> B&W speakers.
2. Using network access storage device:
music files stored on a network access storage device >> network link >> Nexus 5 using a music player with network access storage capability >> Muse USB DAC >> Marantz amp >> B&W speakers.

1. Using USB devices
Non-stop folder playback: Music files stored on a 2TB portable hard drive



Samsung Galaxy Note3 using USB Audio Player PRO (UAPP) >> battery-powered USB hub connected to a 2TB USB hard drive >> ODAC >> Neco Soundlab V3 amp >> Alpha Dog headphones

From left to right: Alpha Dog headphones, Neco V3 amp, ODAC, WD My Passport hard drive, Veho Pepple battery pack, Galaxy Note 3
At the bottom: Belkin 4-port USB hub








2. Using network access storage device:
Non-stop folder playback: Music files stored on a SMB/Samba Network Access Storage (NAS) server

music files stored on a SMB/Samba NAS server >> LAN >> Android phone using UAPP >> USB DAC >> amp >> speakers or headphones
or
music files stored on a SMB/Samba NAS server >> WAN (i.e. NAS server on LAN + Internet + high bandwidth 4G/LTE radio access network) >> Android phone using UAPP >> USB DAC >> amp >> speakers or headphones
or
music files stored on a portable SMB/Samba NAS server >> Wi-Fi link >> Android phone using UAPP >> USB DAC /amp >> speakers or headphones

music files stored on a 2TB USB hard disk drive connected to a RAVPower RP-WD01 Filehub >> Wi-Fi link >> Samsung Galaxy S3 using UAPP >> iFi nano iDSD USB DAC/amp >> headphones










By the way, I am wondering if your Nexus 5 is powered by Android 5.0 Lollipop. I am creating a list of USB DAC compatible with the native USB audio of Android 5.0 Lollipop.
Enable USB audio on any Android 4.0 smartphone/tablet
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post #284 of 320 Old 11-19-2014, 02:43 PM
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Hey DanBa thanks for the advice!

I like Option #1 . Can you recommend me a powered USB hub? You mean it would allow my Nexus 5 to retrieve music files that's connected to the USB hub? If so that would be great.

To your question, I currently use a custom ROM based on KitKat 4.4.4. I'll update to Lollipop once more custom ROM appears.
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post #285 of 320 Old 11-20-2014, 09:44 AM
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Just to update, I found a powered USB hub in my basement. Plugged everything in and it works!
Although I find that the hub runs really warm with the USB DAC plugged to it.
And there are some intermittent static.
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post #286 of 320 Old 11-20-2014, 01:13 PM - Thread Starter
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Quote:
Originally Posted by wunderkind View Post
To your question, I currently use a custom ROM based on KitKat 4.4.4. I'll update to Lollipop once more custom ROM appears.
Thanks!

A list of USB DAC reportedly interworking with the native USB audio of Android 5.0 Lollipop:
stock Android device running on Android 5.0 > digital USB audio out >> USB OTG cable (ID pin grounded) >> USB DAC >> amp >> headphones
https://drive.google.com/file/d/0B3X...aUk/edit?pli=1
Enable USB audio on any Android 4.0 smartphone/tablet

Quote:
Originally Posted by wunderkind View Post
Just to update, I found a powered USB hub in my basement. Plugged everything in and it works!
Although I find that the hub runs really warm with the USB DAC plugged to it.
It is not normal.
You should detect the root cause by testing different combinations: phone connected to USB DAC via non-powered hub, phone connected to USB DAC via powered hub, phone connected to USB hard drive via non-powered hub, phone connected to USB hard drive via powered hub, ...

Some best powered USB hub:
http://usb-hub-review.toptenreviews.com/
http://lifehacker.com/five-best-usb-hubs-1414094277
http://thewirecutter.com/reviews/best-usb-hubs/

Quote:
Originally Posted by wunderkind View Post
And there are some intermittent static.
May be the AC to DC adapter of your USB hub is noisy, or your power-lines are noisy.
The issue should be fixed by powering the USB hub with a 5V battery pack.
http://www.amazon.com/s/ref=nb_sb_no...b+battery+pack




Native USB audio of Samsung Galaxy Note 4 & DSD compatible LH Labs Geek Out 1000 USD DAC/amp:
http://www.audiostream.com/content/l...hone-amplifier
http://www.head-fi.org/t/595071/andr...#post_11058362

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post #287 of 320 Old 11-22-2014, 02:33 AM - Thread Starter
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Sony Xperia Z3 & DSD-ready Sony PHA-3 USB DAC/amp:
http://yungtingwai.pixnet.net/blog/post/189107079

Xperia Z3 >> USB OTG cable >> Sony PHA-3 >> Sony MDR-1R headphones


















"Connecting to a digital output supported Xperia" [i.e. compatible Android device]
http://helpguide.sony.net/mdr/pha-3/...000537277.html

"You can connect the headphone amplifier to a digital output supported Xperia using the digital cable for Xperia (supplied).
1. Turn on the Xperia.
2. Set the INPUT select switch to the position of the Xperia/WALKMAN/PC (USB AUDIO) connecting port (left edge position).
3. Connect the Xperia to the Xperia/WALKMAN/PC (USB AUDIO) connecting port using the digital cable for Xperia (supplied)." [i.e. using the USB OTG cable (supplied)]



{left} micro USB OTG plug (i.e. ID pin grounded) to be inserted into a compatible Android device
{right} regular micro USB plug to be inserted into a SONY PHA-3
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post #288 of 320 Old 11-22-2014, 02:55 PM
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Hey DanBa,

Just to update you that the static noise and heat was from my old powered usb hub. I have since bought a new one and it is running nicely.

Last edited by wunderkind; 11-22-2014 at 04:19 PM.
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post #289 of 320 Old 11-22-2014, 07:22 PM - Thread Starter
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post #290 of 320 Old 11-23-2014, 04:49 PM
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Hey DanBa,

Just wondering what music player app you use. Now that I am using a 500g.b HDD (via usb dock) depsite ES File Explorer can recognize and play the songs, both my n7player and Google Play music player can't seem to "see" these music files.
Very odd. If you have any ideas, would appreciate them as I like to avoid using a file browser app to play each song individually.
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post #291 of 320 Old 11-24-2014, 03:45 AM
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I got the USB AUDIO PLAYER PRO.

That works, but I have some issues. Sent an email to them.

Problems are being solved, getting good support from eXtream Software Development


-
Rodrigues

Last edited by Rodrigues_Brazil; 11-25-2014 at 04:25 AM. Reason: ...
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post #292 of 320 Old 11-25-2014, 02:56 AM - Thread Starter
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Quote:
Originally Posted by wunderkind View Post
Hey DanBa,

Just wondering what music player app you use. Now that I am using a 500g.b HDD (via usb dock) depsite ES File Explorer can recognize and play the songs, both my n7player and Google Play music player can't seem to "see" these music files.
Very odd. If you have any ideas, would appreciate them as I like to avoid using a file browser app to play each song individually.
As mentioned in the related post, I use USB Audio Player PRO (UAPP).
By the way, to my ears, UAPP is the best sounding music player for the time being.
There is a free trial version of UAPP on Google Play store.
https://play.google.com/store/apps/d...audioplayerpro



HiFimeDYI Sabre Android DAC, a tiny USB DAC in a car audio system:
http://hifimediy.com/index.php?route...product_id=124

"I use this in my car, definitely better than using the headphone out. I also have the Fiio E17, which I prefer, but it's too much hassle for my car setup." [av911]
http://forum.xda-developers.com/show...76&postcount=2

Galaxy S4 >> HiFimeDYI Sabre Android DAC >> Alpine MRP-F300 amp >> speakers








A review of HiFimeDIY Sabre Android DAC with Galaxy Note 2:
http://forum.xda-developers.com/showpost.php?p=52807341

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post #293 of 320 Old 11-25-2014, 12:04 PM - Thread Starter
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A new music player: HibyMusic
https://play.google.com/store/apps/d...com.hiby.music

"HibyMusic Player is a free lossless HiFi audio player which designed for audiophile and music fans, like Foobar and JRiver, Hiby will bring you high quality music, any time, any where.
Features:
1. All lossless audio format decoding, including DSF,DFF,ISO,WAV,FLAC,AIFF,M4A,AAC,MP3,OGG
2. CUE sheets also supported
3. High precision decoding with 32 bits output, 64 bits float point and 128 bits internal calculating. just for the best quality of audio.
4. External USB DAC is supported with DXD/DoP output. You will get Native DSD or 384KHZ 32 bits audio stream easily.
5. NAS (LAN) is supported, Net Driver and DLNA will be supported soon.
6. Gapless playing is supported.
7. Simple user interface with intimate functional design and good performance.
Stay tuned, more professional function will be added continually."











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post #294 of 320 Old 11-25-2014, 12:21 PM - Thread Starter
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There are still two main types of Android USB audio implementations: Native USB audio & User space USB audio

1. Native USB audio running on
. Android 4.x-powered Android devices: designed by Android device manufacturer
. Android 5.0-powered Google Nexus X devices: designed by Google
. Android 5.0-powered non-Google devices: designed by Google (?)
. Android 5.0-powered non-Google devices: designed by Android device manufacturer (?)
. Android 5.0-powered non-Google devices: designed by Google and enhanced by Android device manufacturer (i.e. a mix) (?)

2. User space USB audio running on isochronous USB host-featured Android devices
. implemented by eXtream Software Development (USB Audio Player PRO, USB Audio Recorder PRO)
. implemented by HibyMusic



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post #295 of 320 Old 11-25-2014, 10:45 PM
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I totally forgot about UAPP! I spent the better part of last 2 days trying out a bunch of free music app as I didn't want to commit to paying. Google Music, n7player, Rocket, Apollo, Winamp and Neutron

The problem was that except for Neutron, all the other apps simply couldn't allow me to select the music folders in my external HDD. These apps seem to default to the internal SDcard's Music folder. USB drive OK. But not with the 500gb external HDD. Weird.
Only Neutron allowed that. Therefore I decided to just pay for this music app. Not very pretty looking but functional with tons of features.
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post #296 of 320 Old 11-26-2014, 03:44 AM
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Quote:
Originally Posted by DanBa View Post
I have tried this one, that doesn't support my Android version.

Back to UAPP, still without access to my NAS.


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post #297 of 320 Old 11-26-2014, 06:23 AM
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Quote:
Originally Posted by Rodrigues_Brazil View Post
I have tried this one, that doesn't support my Android version.
From them:
Quote:
Hiby Music need the Android device 's OS version is 4.1.2 or upper
mine is 4.1.1


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post #298 of 320 Old 11-26-2014, 11:29 AM
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Installed the HiByMusic on my phone, a Samsung Galaxy GT-7582L, Android 4.2.2

Good: Very quick installation, easy to use, I could access and play ALL my files on the NAS. Awesome!

Bad: My phone does not support USB Audio.



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post #299 of 320 Old 11-28-2014, 01:08 PM
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Hi all,

Those are the tests I made with 2 different Android devices, 2 different apps which should provide audio streaming from those devices to an external USB DAC.

The Devices:

1-
smartphone SAMSUNG GALAXY GT-S7582L (international version)
http://www.amazon.com/Samsung-Galaxy...LAXY+GT-S7582L

OS: Android v4.2 (Jelly Bean)

2- Tablet GENESIS GT-9220 (chinese brand, brazilian version, AFAIK not available on USA market)

I could not find a web-link from the manufacturer in english.

OS: Android v4.1.1 (Jelly Bean)

The Apps:

1- USB AUDIO PLAYER PRO (AKA UAPP)
https://play.google.com/store/apps/d...audioplayerpro

2- HIBYMUSIC (AKA HIBY)
https://play.google.com/store/apps/d...com.hiby.music

The DAC:

CAMBRIDGE AUDIO DACMAGIC 100
http://www.cambridgeaudio.com/produc...a/dacmagic-100

The Tests:
1- Tablet + UAPP + DACMAGIC
I can play many files from different sample/bit rates, the player is really great, easy to use, however I can not access my main library which is stored on a NAS (network attached storage) over my Windows LAN. I have tried on many ways, no success.

2- Tablet + HIBY + DACMAGIC
Unfortunately I could not install it, I got a message saying something like "your Android version is not supported", sent an email to HIBY team which confirmed that, only Android 4.1.2 or above.

3- Phone + .... well, my phone does not work with the same OTG adapter, so no way to test with the DAC, however I decide to install the HIBY, just to confirm that OS issue. And Yes I installed HIBY, easily, it played many files with high bit/sample rate and better I can access my files on my NAS easily.

In short, for now I will keeping the UAPP, a really nice app, good technical support, hoping that LAN issue be solved soon.

Greetings from Brazil,

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post #300 of 320 Old 11-28-2014, 01:32 PM - Thread Starter
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Some latest smartphones & USB DAC/amp in Japan:
http://ascii.jp/elem/000/000/954/954072/



The legend from top to bottom are:

High res quality play back
44.1kHz/16bit CD quality play back
Unstable (probably means connectivity is inconsistent)
SU-AX7 using camera connection kit

[The reviewer is not aware of USB Audio Player PRO or HiByMusic which can play and transmit high resolution audio to USB DAC. ]


Sony Xperia Z3:




Samsung Galaxy Note Edge:




Sharp Aquos Zeta:




Fujitsu Arrows NX:




Samsung Galaxy S5 Active:





Dëff DDA-A20RC:




Onkyo DAC-HA200: rebranded TEAC HA-P50 with different opamp




Sony PHA-3:




Pioneer XPA-700:




JVC SU-AX7:

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