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    Default Weird noises with AUX jack in the car?

    I noticed that when my phone is in between playing music there is this awful scratchy/screechy noise coming through my car's speakers. I have never had this issue with any other phone. The cord works fine with my original EVO and other phones/devices. Has anyone experienced anything similar? Any suggestions?
  2. #2  
    jem286's Avatar

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    Default Re: Weird noises with AUX jack in the car?

    if you have your phone plugged in to a charger as well could be feed back form the electric system in your car. but if it is not try a pair of head phones and see if it happens then. if it does tell sprint you need a replacement when made available
  3. #3  

    Default Re: Weird noises with AUX jack in the car?

    I second what Paredes says. When I hook up my EVO 4G LTE to the auxiliary port in my car, it makes a weird fuzzy sound between songs. Car speakers/aux jack/aux cable are all fine. I think it may be a problem with the phone itself
  4. #4  
    smallpsych's Avatar

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    Default Re: Weird noises with AUX jack in the car?

    Quote Originally Posted by jem286 View Post
    if you have your phone plugged in to a charger as well could be feed back form the electric system in your car. but if it is not try a pair of head phones and see if it happens then. if it does tell sprint you need a replacement when made available
    If that's the issue, what can you do about it? I have the same problem in my car, except its been with every device I have, while I'm charging. I did order a bluetooth music adapter to see if that will help...
  5. #5  

    Default

    I've noticed it too, although it doesn't happen every time. I played around with different sound settings and still got the same result. I jiggled the aux cable and seemed to go away. I also noted some small popping noises from my truck speakers but not loud enough to annoy me that much. I've been using Pandora exclusively with the beats Urbeats setting. Sounds awesome in my nissan titan.

    sent from my wicked EVO ONE using mind beam.
  6. #6  

    Default Re: Weird noises with AUX jack in the car?

    I have a HTC Inspire and when I plug in my Aux its makes that noise, so I decided to try this product from Kensington Noise Reducer solved my buzz problem. It probably from the phone or from the car.
  7. #7  

    Default Re: Weird noises with AUX jack in the car?

    sounds like you are getting alternator noise its a pain in the a$$ to solve but does it do it if car is shut off?
  8. #8  

    Default Re: Weird noises with AUX jack in the car?

    Buy a ground loop isolator from Radio Shack. Should run you about $20 or so. That fixed my problem on my Epic.
  9. #9  

    Default Re: Weird noises with AUX jack in the car?

    There's something up with the devices that were shipped out w/r/t audio quality. Here's why I say so...

    1) Phone Playing to Bluetooth Headset and Bose Soundlink both get cracking/popping noise without any cables attached
    2) When phone is plugged in car to charger and aux, severe alternator/road noise is present if no audio is playing. Once an audio source starts to output, the sound goes away, but the popping is still present just like with scenario 1
    3) With the phone plugged into the aux jack only (no charger), same popping sounds noted
    4) Issue persists with Beats on and off, no change.

    So, one can reasonably be sure it's a phone issue, and the fact that it's picking up road noise so badly and outputting it over the aux out suggests it's a hardware flaw, which is bummer city.
  10. #10  
    eKennedy's Avatar

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    Default Re: Weird noises with AUX jack in the car?

    Just chiming in to say I noticed this problem also. My OG Evo worked fine with the aux jack in my car, but I get the funky noises with the Evo LTE. It's not alternator whine, but it does sound exactly like the chirps you hear over computer speakers when a GSM phone is getting a call nearby.

    So I doubt it has anything to do with the cables and such. It definitely seems to be an issue with the phone itself.
  11. #11  

    Red face Re: Weird noises with AUX jack in the car?

    Also have experienced the same issue. Only occurs with both the Headphone/aux jack plugged in and the power cable in the car. Power cable doesn't even need to be plugged in all the way, just touching and the sound occurs. It is definitely some sort of ground loop through the power cord and back into the stereo via the audio jack.

    Strange part is that while a song is playing the sound stops (not hidden by the music, but completely stops). When music starts playing (and the beats icon appears) the buzzing stops, then when the song ends and there's a few second before the next (and the beats icon disappears) the sound is heard. You won't hear it the last second of a song when there is silence, but as soon as the track ends, it is heard. Also is heard if you pause a song (after a very brief delay). I also have the beats "feature" disabled, but changing the settings doesn't make a difference.

    Never had an issue using the same setup with my original EVO or any other phone.
  12. #12  
    cordoni's Avatar

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    Try getting a shielded audio cable. That might prevent the frequency interference you are locking up from the power cord.

    Sent from my DROID RAZR MAXX using tapatalk
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  13. #13  

    Default Re: Weird noises with AUX jack in the car?

    This is very obvious when using Google Music with headphones. (I am using Shure SE530s, they are very accurate and don't leave out any details of what you are listening to) It is almost like I can tell what the radios are doing. Thankfully, I can't hear it once music starts playing.

    Listening in my car or with cheaper headphones I don't notice it, but with nice headphones it is really disappointing to hear from a phone that is marketed for its audio abilities.

    My Epic 4G had lots and lots of problems, but this wasn't one of them.
  14. #14  

    Default Re: Weird noises with AUX jack in the car?

    Mine is doing the same in between songs. Only when i have my headlights on...Crazy!...i turn headlights off and it plays like a charm...during and in between songs...i have no charger plugged into it just the aux cable..For now i guess i cant use it at night when headlights are needed the most...lol.. but let me know if its only doing it when your headlights are on.. some car headlights stay on automatically so its probably always occuring..i have a Chrysler 300.
  15. #15  

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    For me the cracking noises are directly related to the beats audio logo on the status bar. Between songs on Pandora the beats logo goes away and the noise starts, right before the next song starts the logo reappears and the noise goes away... Maybe something to do with beats audio?

    Sent from my EVO using Tapatalk 2
  16. #16  

    Default Re: Weird noises with AUX jack in the car?

    I got those noises with my last Evo and it was the battery charger. When I unplugged it they went away. With the LTE the sound through my AUX cable is not that good on voice calls. Music wise it's fine but voice calls are so faint I have to crank the volume WAY up to be heard. I ordered a bluetooth car kit hoping that will fix it. Anyone else have the low volume on voice issue? And yes, I cranked up the in call volume too.
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  17. #17  

    Default Re: Weird noises with AUX jack in the car?

    Just thought I'd post my similar experience.

    I have a new-ish Monster cable between LTE and Aux jack. When ausio is present sound is great. When audio is off, there is a buzzy sound.

    I haven't tried unplugging the USB/power cord - I'll do that this afternoon and if there is a change, I'll post...

    Stephen
  18. #18  
    cgiaimo's Avatar

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    I also had the Screeching noise when using a cord in the headphone jack and an aux jack in my car. Thought it might be coming from the power supply so I unplugged the charger but it did not go away. It eventually has stopped and not reappeared, so I think it may have been some debris inside the headphone jack that worked it's way out. I also am getting frequent loss of the left channel, but think maybe my cord is going bad.
  19. #19  

    Default Re: Weird noises with AUX jack in the car?

    Yeah. Get ground loop noise when plugged into the aux jack and charging at the same time.
  20. #20  

    Default Re: Weird noises with AUX jack in the car?

    I've experienced this as well, but was able to resolve it by not charging my phone at the same d**n time. Lol.
  21. #21  
    yota265's Avatar

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    It's caused because the car charger doesn't have a dedicated ground but a shared ground. A shielded aux cable might help a bit. And if you can get the snap-on shields for the power cable will help some also.

    Sent from my EVO using Tapatalk 2
  22. #22  

    Default Re: Weird noises with AUX jack in the car?

    I have the same issue in my car. When power supply plugged into the EVO 4G LTE with aux jack in use the nasty sound occurs, even if I am not using any apps. Once I start playing music through either Android player or Pandora, sound goes away, until in between songs, which is nerve racking. I am using same power supply as I did for EVO 4G, which had no issues. Basically killing my ability to charge phone when I drive. I drive 1 1/2 hours each way to and from work every day. Really sux. So does anyone have a real solution? Is anyone using a charger that is specifically for the LTE and have the same problem?

    Other major dissappoint with this phone: on the old 4G, if I had several apps open, sometimes going from an app to the Home Screen would cause the phone to reload everything and I had to wait for it to do so. Thought this high-powered phone would stop that, but know... same cr*p. Got some nice improvements, but these two issues almost completely negate the benefits of the other pros. So generally dissatisfied with this "upgrade" for the $$.
  23. #23  

    Default

    Hmm every time I plug any device in my car stereo jack, I always get a noise. It usually means it made the connection .:beer:

    sent from EVO4GLTE
  24. #24  

    Default Re: Weird noises with AUX jack in the car?

    I called both Sprint and HTC and neither claimed to have any previous reports. I was told by HTC that there is no difference in the specifications for the 4G vs. 4g LTE. She tried to blame the car charger for going bad. I don't know if it is worth it to try a new charger or not.

    I did try a different aux cable and same result. I then tried with my earplugs with the cable and there was no issue. So the problem is a result of the complete connection from the charger to the phone to the aux cable into the aux jack.

    (BTW, it is not a one-time sound when it plugs inl it is a constant hum/hiss/crackle.)
  25. #25  

    Default Re: Weird noises with AUX jack in the car?

    I've had my EvoLTE for almost a month now. Already on my 3rd one. First one the kickstand fell off, second one the screen magically cracked before my eyes, and now this 3rd one has this issue.

    Put the phone in the Sprint car dock, plug in jack, and get this random screechy-scratchy noise that essentially ruins any music playback. Phone volume through speakers licks balls too.

    Pulled phone out of car dock, but left jack plugged in, and noise instantly stops.

    Add this to the list of wrong with this phone. Should've stuck with my OG.
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