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-   -   Buzzing sound from 3.5 jack? (https://talk.maemo.org/showthread.php?t=36029)

CaptainGinyu 2009-12-06 01:07

Buzzing sound from 3.5 jack?
 
I FIANLLY got my N900 from Dell yesterday, I am so excited!
Anyway, I really like the phone so far, it's taking some getting used to, but I'm working on it.
I have one very grave concern right now, though.
For some reason, any headphones I plug into the jack give a VERY loud, high pitch buzzing or frequency..If I slide the screen up, it gets even louder.
I would think this is some sort of grounding or shielding issue, but I dunno.
Either way, I'm really frustrated with this, since it's so loud it makes all of my headphones unusable on the thing. Anyone have any ideas what could be causing this?

enmanuelr 2009-12-06 02:16

Re: Buzzing sound from 3.5 jack?
 
Are you using the headphones that came in the box with the phone? I experienced the same thing with some apple iphone headphones. Yet with the Nokia headphones I don't hear any kind of interference.

Don't know much about the topic, but I am willing to speculate that the Nokia headphones have some kind of filtering (necessary for this phone) that regular headphones don't.

BTW, Iove your nick! DBZ FTW!

mykenyc 2009-12-06 02:46

Re: Buzzing sound from 3.5 jack?
 
same thing here

n900user 2009-12-06 02:54

Re: Buzzing sound from 3.5 jack?
 
yea i got the same buzzing sound with other headphones.

youNit 2009-12-06 03:05

Re: Buzzing sound from 3.5 jack?
 
Wait! Don't turn this into a breaker.
Is there anyone who can confirm that random headphones DO work? (Reviews say so)

mykenyc 2009-12-06 03:16

Re: Buzzing sound from 3.5 jack?
 
def not a breaker for me i love this phone so much you should see my facebook lol

Laughing Man 2009-12-06 03:20

Re: Buzzing sound from 3.5 jack?
 
It has to do with pins. The n900 has an extra pin for video output. Likewise the iPhone has a pin for audio control (play, pause, skip, etc.)

lilboymonkey 2009-12-06 03:23

Re: Buzzing sound from 3.5 jack?
 
same thing with my apple iphone headset, but with my creative noise cancelling headphones i don hear that loud buzz or any sort...

Renesis 2009-12-06 03:23

Re: Buzzing sound from 3.5 jack?
 
I can confirm that (on my n900) 3rd party earbud/mic combos do not work. I experience the same symptoms as my purple friend (the OP). I would guess that this is because the n900 cannot tell the difference between a headphone/mic combo and a TV out jack by itself and some circutry in the nokia supplied accessories does this job. Then again I could just be talking out of my arse :p

http://farm3.static.flickr.com/2531/...70aab0c3b0.jpg
This is what I am working with.

Rushmore 2009-12-06 03:52

Re: Buzzing sound from 3.5 jack?
 
No buzzing noise from mine, but only used normal passive buds like UE's and Vmodas.


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