Audio Line-In works !!!

Discussion in 'iPod touch VoIP and Telephony' started by mrnpod, Nov 14, 2007.

  1. mrnpod

    mrnpod New Member

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    Hello.
    I am happy to inform you, that the Audio Input pins of the iPod Touch are active,
    and can be used for connecting any Audio source (like an external Mic, your CD-player, FM radio, etc) for recording. This also opens the doors for VoIP
    applications!!

    The way I tested it: Modded an old docking cable and connected the Line-In
    pins to a source of Audio signal. Then used the Voice recorder App originally
    written for the iPhone. The dock pinouts are here: http://ipodlinux.org/Dock_Connector
    I have photos of the setup if anybody is interested.
    Cheers!
  2. dangdinhtrung

    dangdinhtrung New Member

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    Hi there,

    That sounds really cool. It would be great if you can post the photos of the set-up here. I want to know how you managed to make it work.

    Cheers
  3. Voodoo368

    Voodoo368 New Member

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    That would be totaly awesome, and yeah could you post the pics 'cause I know many people would probably want to try this out. Nice job by the way.
  4. Clod_house

    Clod_house New Member

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    Device:
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    Absolutly!!!Post some pictures! My dream is to call voip with my Touch...that's the firts thing I tought about before buying it!!! Thanks
  5. mrnpod

    mrnpod New Member

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  6. Clod_house

    Clod_house New Member

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    Device:
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    so the setup pics where are located?
  7. solidartwork

    solidartwork New Member

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    Would'n't it work with something like that or that?
  8. mrnpod

    mrnpod New Member

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    There is one pic showing the setup. just click on the thumbnail.
    in case you mean schematics, then it is simple:
    acc to the docking station page you just connect
    Gnd (Ground) to Gnd, and the source to Line-In R, ev, Line-In L.
    The resistors I only used to lower the output level of the
    Marantz Layla, as it gives signal over 2-3Vpp.
    You do not need it for test purposes.
    In order to connect a Mic, either we use a preamplifier,
    or maybe there is even an extra Mic pin, with a sensitivity of some mV.
  9. Clod_house

    Clod_house New Member

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    Device:
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    and something 4 voip?
  10. mrnpod

    mrnpod New Member

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    >> Would'n't it work with something like that or that?

    Yes, it should. Given that the 5V DC out pin of the Touch is active
    as it is in the case of prev models.
    Somebody, if you have that device, pls try the Voice Memo app.

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