5s speaker interference

Discussion in 'iPhone' started by billycuth, Sep 25, 2013.

  1. billycuth macrumors 6502a

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    Jul 31, 2010
    #1
    You know how older cell phones, when placed near a speaker and had cell data being used (either a call or browsing) would cause the speaker to make strange sounds?

    I haven't had that happen since I switched to the 4. But with the 5s, it's back. Anyone else notice this? Instead of a loud "dot dot dot dot dot" like it used to do, it is more of a low grumble noise. I just thought it was interesting and wondered if anyone else noticed this...
     
  2. decafjava macrumors 68000

    decafjava

    Joined:
    Feb 7, 2011
    Location:
    Geneva
    #2
    Yes, and I've had it on the 4 and 5 as well as all my previous cell phones.
     
  3. billycuth thread starter macrumors 6502a

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    Jul 31, 2010
    #3
    Interesting. On the 4 and the 4s I had none of it. Weird.
     
  4. SouthsideJohnny macrumors regular

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    Jul 7, 2011
    #4
    Cellphones have done this forever. Well, for a at least the 15 years I have owned one.

    Varying the data modulation scheme of the transmission also varys the way the demodulated audio coming from your speaker sounds.
     
  5. billycuth thread starter macrumors 6502a

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    Jul 31, 2010
    #5
    My iphone 4 and 4s never did this.

    The 5s is doing it frequently to the stereo in my office. If nothing else it is definitely more pronounced/noticeable/annoying!!!
     
  6. SouthsideJohnny macrumors regular

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    Jul 7, 2011
    #6
    It's going to depend on the shielding of the speakers' built in amps. Mine are particularly cheezy and do it all the time.
     
  7. clockdoors macrumors newbie

    Joined:
    Sep 26, 2013
    #7
    think so,Yes, and I've had it on the 4 and 5 as well as all my previous cell phones.
    [​IMG]
     
  8. billycuth thread starter macrumors 6502a

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    Jul 31, 2010
    #8
    That doesn't explain why it's just starting to happen. I've had the stereo for years.
     
  9. colmuna5 macrumors newbie

    Joined:
    Oct 24, 2013
    #9
    little noise, very similar to GSM interference iphone 5s



    my iphone 5s when i call I hear a little noise, very similar to GSM interference in a pc speaker


    is your problem? There has never happened?


    iphone 5s 7.0.3
     
  10. scaredpoet macrumors 604

    scaredpoet

    Joined:
    Apr 6, 2007
    #10
    Because the iPhone 4/4S did not have LTE, which uses a different transmission method from HSPA/UMTS. LTE is once again a different signaling protocol, so it will "sound" different to equipment susceptible to interference.

    Generally, the interference caused by UMTS and HSPA is a lot more subtle than its predecessor (2G/GSM/EDGE), almost unnoticeable in most cases. LTE isn't so subtle though, so the interference is back, though it sounds a bit different from the 2G days.

    The upshot is, where it seemed like the 4 and 4S didn't interfere, the iPhone 5 and 5s will make a bit more noise when LTE kicks in.
     
  11. billycuth thread starter macrumors 6502a

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    Jul 31, 2010
    #11
    didn't think about that. makes complete sense. Thanks for the info.
     
  12. socbrian macrumors regular

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    Mar 25, 2009
    Location:
    nc
    #12
    I had the same situation, going from 4 to 5s and was shocked this started happening again. I would do it on my 3g when on the Edge (ATT) network, but I guess LTE does this also, pretty annoying. I heard if u get shielded speakers it will not do it but I can not confirm or deny that
     
  13. Sean76 macrumors 6502

    Sean76

    Joined:
    Feb 10, 2013
    Location:
    NYC
    #13
    I've had every single iphone since the first and have never had a n issue with call quality on at&t, and now the sound I'm hearing from my iphone 5s is just plain fuzz when I'm on a call. It's not insanely loud, but it's enough to annoy me while on a phone call and the person on the other end can hear it as well. My 5 was super crystal clear with zero static or fuzz on at&t. Think I'm gonna do a swap and get a new one.
     

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