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Audio Out via USB

Discussion in 'Android Applications' started by jsg7377, Dec 11, 2009.

  1. jsg7377
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    jsg7377 New Member

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    Does anybody know if the Droid is capable of pushing audio out via USB like the G1 does with the mini usb?

    I am not sure if this is a hardware or software solution (or both). Furthermore, I am not even sure its possible with the Droid... I have no idea how it works on the G1, I just know it does, lol.
    Last edited: Dec 11, 2009
  2. bennyj
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    bennyj New Member

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    my truck stereo system has USB and that what I book my Droid to to listen to my tunes. Sounds awesome. You just have to remember to mount it.
  3. NoKz
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    NoKz New Member

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    I have a Pioneer AVH-P3100DVD that has usb on the front. I've mounted the droid and the head unit is never able to pick it up. It makes me sad :(
  4. zasran
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    zasran New Member

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    It should work if you use Droid as mass storage (IIRC docs said if you connect Droid you can say mount or something like that).

    Is that what the orginal question is about or was it about using USB speakers?
  5. akj27
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    akj27 New Member

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    Same here brother. I've sent an email to Pioneer and I'm waiting for a reply. I'll let you know if they figure out a way to make it work.
  6. jaysonstaurt
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    jaysonstaurt New Member

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    Just use the AUX port!
  7. jsg7377
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    jsg7377 New Member

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    I do not want to use it as a Mass Storage device. I want stereo audio out via USB.

    The reason I do not want to use the AUX port is because it is just one more thing to connect. I want it to look clean.

    I have integrated the multimedia dock into my car's dash (reversed the magnet so that it opens the Car Home instead).

    I want to be able to charge and listen to music but only have to plug in one cable (or in this case slide the Droid into the dock).

    If it can't be done, that is understandable. But if a G1 can, why can't the droid. Is it a hardware or software issue?
  8. godanigo
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    godanigo New Member

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    Pics or it didn't happen.
  9. Bimmerjo
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    Bimmerjo New Member

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    You can't mount it via USB because the the computer (or host USB device) doesn't see the phone as a Mass Storage Device EVEN if the SD card is mounted with in the phone.
  10. jsg7377
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    jsg7377 New Member

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    Just because I didn't post pics doesn't mean it didn't happen....

    The only pics I have right now are old and are of the plug. It is now sanded, prepped, and ready for glass.

    [​IMG]

    [​IMG]

    Right now I am just using the model (its wired up with power only) until I lay it up in fiberglass -- hopefully Wednesday morning (if you are actually interested I will post the pics of the process and final product). I am just waiting for my resin to arrive. The 12V harness is wired to a DC/DC Micro USB Car Adapter with an audio cable going to the rear aux of the head unit (which is still disconnected).

    The final product should look clean. The glass will be sanded down to a matte finish, and sealed with a matte resin coat.

    I also rigged it up to remote start it via the Droid as well (right now its just using HTML code to run a WebRelay, but I am looking to make a simple app). I just need to get my hands on an old laptop with PCMCIA II slot to activate my broadband card (the car also has wifi). I suppose you will want pics of that too... I'll post a video once it is cleanly integrated. Right now its just a mess of cables and hardware as I have been too busy to integrate it. I figured as long as I had mobile WiFi , I might as well give it a cellular remote start -- for $hits and Giggles of course.

    But back to the original question... Can the damn thing pump audio via USB. If it can't I am just going to use a BT Audio Gateway (which is a whole 'nother question)
    Last edited: Dec 12, 2009
  11. qube
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    qube New Member

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    Wow, you and I seemed to have had the same idea of integrating the media dock into the dashboard of a car. I also flipped the magnet around to turn the media dock into a car dock. I didn't go as far as you did with molding the dock into the dashboard. I just used velcro tape. Very good work with yours.

    I don't believe that the droid can output audio via the micro-usb port. I too thought this would be a good way to integrate the droid into my car stereo. One workaround is to buy a head unit that has stereo bluetooth built in. I went to a local Best Buy and paired my droid with a Sony head unit. It was pretty cool. Pause, play, skip forward and back can all be done from the head unit's controls. And the head unit had an integrated mic for hands-free calling.

    So, if the Droid doesn't have stereo out via USB, it's not too bad, because it works great with Stereo Bluetooth. I just don't want to buy another head unit for the ability to do so.
  12. jsg7377
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    jsg7377 New Member

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    @qube

    Well that is good to know that the Droid can do audio via Bluetooth efficiently. I will definitely use my Bluetooth Audio Gateway adapter instead. How was the audio quality? Too bad I can't put a new head unit in, that one from BestBuy sounds pretty legit.
  13. falkien
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    falkien New Member

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    Which bluetooth gateway are you using? I found the blackberry one for 35 bucks. Just curious which one works well.
  14. jsg7377
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    jsg7377 New Member

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    Falkien,

    I was referring to the RIM Blackberry BT Audio Gateway Adapter. It worked great with the Storm (a little bit of a pain on the first pair). I have yet to use it on the Droid, but I will try it out tomorrow and let you know how well it works with it.
  15. zasran
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    zasran New Member

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    But that's what most (all?) stereos do, as far as I know. Which stereo do you have?

    If you connect any device that's in USB Mass Storage mode the stereo should look for mp3 (possibly others, depends on stereo) files and play them. It should not matter whether it's an MP3 player or Droid etc.

    E.g. I can do that with JVC El Kameleon KD-AVX40, I use bluetooth with Droid because it allows me to stream not only files I have on SD card but use streaming apps like pandor or last.fm.

    Are you saying your car radio can work as USB speaker/soundcard?
  16. NoKz
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    NoKz New Member

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    Cool deal. :icon_ banana:
  17. zasran
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    zasran New Member

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    Bimmerjo, what are you talking about? I only read it in docs before but for the fun of it I just tried it, connected to computer, then selected mount (on Droid after it connected) and now I have it visible as a disk from computer, using USB Mass Storage driver.

    Here's what logs say (this is on Linux):

    Dec 12 15:58:48 jojda kernel: [188205.744033] usb 1-4: new high speed USB device using ehci_hcd and address 3
    Dec 12 15:58:48 jojda kernel: [188205.878537] usb 1-4: configuration #1 chosen from 1 choice
    Dec 12 15:58:49 jojda kernel: [188206.780481] Initializing USB Mass Storage driver...
    Dec 12 15:58:49 jojda kernel: [188206.780689] scsi4 : SCSI emulation for USB Mass Storage devices
    Dec 12 15:58:49 jojda kernel: [188206.781126] usbcore: registered new interface driver usb-storage
    Dec 12 15:58:49 jojda kernel: [188206.781135] USB Mass Storage support registered.
    Dec 12 15:58:49 jojda kernel: [188206.781691] usb-storage: device found at 3
    Dec 12 15:58:49 jojda kernel: [188206.781697] usb-storage: waiting for device to settle before scanning
    Dec 12 15:58:54 jojda kernel: [188211.780542] usb-storage: device scan complete
    Dec 12 15:58:54 jojda kernel: [188211.781403] scsi 4:0:0:0: Direct-Access Motorola A855 0001 PQ: 0 ANSI: 2
    Dec 12 15:58:54 jojda kernel: [188211.782347] sd 4:0:0:0: Attached scsi generic sg4 type 0
    Dec 12 15:58:54 jojda kernel: [188211.798280] sd 4:0:0:0: [sdc] Attached SCSI removable disk
    Dec 12 16:00:09 jojda kernel: [188286.631183] sd 4:0:0:0: [sdc] 31116288 512-byte logical blocks: (15.9 GB/14.8 GiB)
    Dec 12 16:00:09 jojda kernel: [188286.631797] sd 4:0:0:0: [sdc] Assuming drive cache: write through
    Dec 12 16:00:09 jojda kernel: [188286.634171] sd 4:0:0:0: [sdc] Assuming drive cache: write through
    Dec 12 16:00:09 jojda kernel: [188286.634180] sdc: sdc1

    The messages at 16:00:09 were printed after I clicked on mount button on Droid.
    Last edited: Dec 12, 2009
  18. Bimmerjo
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    Bimmerjo New Member

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    It works on Linux for me as well, (your post got me curious, but I never could get it to work with windows. OR my Alpine USB interface.
  19. qube
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    qube New Member

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    The quality sounded pretty good. There are audio quality problems with the headphone jack in my opinion, so bypassing it via bluetooth is probably better anyway.
  20. tktouch12
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    tktouch12 New Member

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    i think i'm going to get this deck for/ after christmas. can you let me know what you find out?
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