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Support Static on audio through car stereo

Discussion in 'Android Devices' started by Matt_H, Sep 25, 2010.

  1. Matt_H

    Matt_H Active Member
    Thread Starter
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    Dec 3, 2009
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    When I stream audio (via Pandora, MLB At Bat, Public Radio Live Stream, IHeartRadio, etc) and listen through my car stereo via the aux-in port, the audio sounds great. However, if I also have the phone plugged in to the cigarette lighter charger at the same time, the sound has significantly more static. When I unplug the charger, the static immediately goes away and the sound returns to high-quality. I've tried several different cables (both aux and charger) thinking that there was a shielding problem. Has anyone else experienced this, and does anyone have a solution or a combination of cables that provides the same good sound when the phone is charging as when it is not?
     

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  2. jasonacg

    jasonacg Well-Known Member
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    Mar 11, 2010
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    Tampa Bay, FL
    Does the sound change as the engine RPM changes?

    This could be a ground loop problem. Search for ground loop isolators online. I think that will solve the problem. It's happened to me as well.
     
    Matt_H likes this.
  3. ovrrdrive

    ovrrdrive Well-Known Member
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    Dec 18, 2009
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    The noise is coming from the power port. If it's bad enough to bother you, you can try to get an inline noise filter to attempt to straighten it out.
     
    Matt_H likes this.
  4. Matt_H

    Matt_H Active Member
    Thread Starter
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    Dec 3, 2009
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