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Does your 3GS emit the "15KHz tone"?
- Thread starter mcdj
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SW update
I think we'll see a SW update this week, always happens.
I think since they just pushed out 3.0 to the massed of 2.0 and 3G users, AND they have all the new sales going through the same itunes/activation servers, they don't want to muddle up the interwebs with another SW update, that EVERYONE and their brother will want to DL.
Wait till later this week, we should see something then I think
I think we'll see a SW update this week, always happens.
I think since they just pushed out 3.0 to the massed of 2.0 and 3G users, AND they have all the new sales going through the same itunes/activation servers, they don't want to muddle up the interwebs with another SW update, that EVERYONE and their brother will want to DL.
Wait till later this week, we should see something then I think
I have noticed a high pitched noise when I have my 3GS plugged into my car stereo. It's generally only when I first plug in my tape adapter to the earbud jack. Kind of weird.
Thanks for the info! The Oscillator app is awesome for basic testing of ears/speakers.
I've heard it from my phone a couple times, and not in the same situations you people have been describing. It is rather high pitched and I have no trouble hearing it from several feet away. I'm 27 and have exceptional hearing so perhaps it's not noticeable to some people.
It hasn't happened frequently enough to bother me yet so I haven't complained. I thought perhaps somehow the SPU got static in it or something, perhaps from the screen's electromagnetic field and that's why it has been inconsistent.
Whatever the case, I hope it can be addressed in software.
Note, after further experimentation I found a number of the SMS notification noises result in the same high pitch whine. I also noticed that a couple of the SMS notifications seem to just echo on for a very long time. This has brought me to the suspicion that the problem is caused by an erroneously programmed reverberation filter in the sound chip. If I'm right, it's definitely fixable by software.
It hasn't happened frequently enough to bother me yet so I haven't complained. I thought perhaps somehow the SPU got static in it or something, perhaps from the screen's electromagnetic field and that's why it has been inconsistent.
Whatever the case, I hope it can be addressed in software.
Note, after further experimentation I found a number of the SMS notification noises result in the same high pitch whine. I also noticed that a couple of the SMS notifications seem to just echo on for a very long time. This has brought me to the suspicion that the problem is caused by an erroneously programmed reverberation filter in the sound chip. If I'm right, it's definitely fixable by software.
I can hear it on mine, but not unless there is zero ambient noise or I hold the phone up to my ear. My guess is that the sound file Apple uses to make the lock noise has an empty void for a few seconds at the end and the compression process mutated it into a high frequency tone. They could probably just fix the sound file in the next OS release to make it go away.
I can hear it if I put the speaker to my ear, otherwise I don't notice it. It happens after SMS is received, locking the phone and after closing some apps that have sound. For example, after exiting Paper Toss and the sound fades out the noise can be heard with the speaker to ear, but not after playing Parachute Panic. Oddly, the sound only goes for a few seconds after locking and closing some apps but goes on for about 30 seconds or more after getting an SMS.
Just restored and the problem still persists. I can't imagine taking this issue to an Apple store, though I would like to.
I'm 42, and I can hear it!
I can hear it, it happens every time I lock the phone. It's not that the pitch is so incredibly high, it just very quite. I did NOT notice it until I read the Boy Genius report and tried it myself. I have to hold it up to my ear, even in a quite room. It's not a big deal to me, but if they can correct it via software, that would be great.
I can hear it, it happens every time I lock the phone. It's not that the pitch is so incredibly high, it just very quite. I did NOT notice it until I read the Boy Genius report and tried it myself. I have to hold it up to my ear, even in a quite room. It's not a big deal to me, but if they can correct it via software, that would be great.
except that it can be heard without the lock sound ever playing, like after sending an SMS.
Same... I had to push it against my ear to hear it. Never would have noticed otherwise. What I don't hear won't bother me.
Actually, I think the compression processing is being done on-the-fly in certain circumstances. It probably occurs somewhere pretty far down the signal chain, after a fair bit of noise has been accumulated. When this compression is then applied, the noise is, as you say, mutated into the tone we're hearing.
I hear it after taking a picture (for about 3 seconds and then the pitch drops then stops), and after it makes the lock sound when I put it to sleep. Same thing, high pitched for 2½-3 seconds, then gets lower and fades out.
I am the type of person who is bothered by high pitched whines and sounds constantly (had to return three Palm Pilots for the noise), but I can only hear this when the speaker is within eight or so inches of my ear, so I don't care.
I am the type of person who is bothered by high pitched whines and sounds constantly (had to return three Palm Pilots for the noise), but I can only hear this when the speaker is within eight or so inches of my ear, so I don't care.