Stoopid kids!!
Ok, Ok, Ok, enough already.. I keep reading this bullshit story all over the net about kids backward engineering a high frequency kid repellant noise (to stop 'em hanging out in front of shops and shit) , into a mobile phone ringtone that lets a mobile phone ring in a school classroom without teacher hearing (coz your hearing range drops off after about 25yrs of age) ??
Right, this story is pure bullshit and here's why:
Pull the other one kiddies 101:
This frequency is said to output at around 16-20khz...Ok!
A mobile phone speaker goes absolutely nowhere near as high as this (unless of course it's a batphone..)
Get it bat-phone, ha ha haaa!!
For bats!!
Although the origional recording does exist here
And a quick analasis (even though I can't hear it) says it's the real deal too (note the 14-18.5khz peaks) :
If I transfer it too my mobby phone (high end nokia job), play it as a ringtone and re-record it through a high end ultra sensitive mic (knocking out the background noise floor), I get
This:
Which...reads absolutely fuck all!!
And that's it...Bullshit story!
Complete made up kiddy pulling the wool over technolame teachers eyes bullshit!!
Thus endeth the lesson..
I rest my case
And make a self satisfying cup of tea!!
Right, it's way late and I have tunes to mix tomorrow sooo,
Drink my tea and time for bed
Disect your Furby!!
Laters
Right, this story is pure bullshit and here's why:
Pull the other one kiddies 101:
This frequency is said to output at around 16-20khz...Ok!
A mobile phone speaker goes absolutely nowhere near as high as this (unless of course it's a batphone..)
Get it bat-phone, ha ha haaa!!
For bats!!
Although the origional recording does exist here
And a quick analasis (even though I can't hear it) says it's the real deal too (note the 14-18.5khz peaks) :
If I transfer it too my mobby phone (high end nokia job), play it as a ringtone and re-record it through a high end ultra sensitive mic (knocking out the background noise floor), I getThis:
Which...reads absolutely fuck all!!And that's it...Bullshit story!
Complete made up kiddy pulling the wool over technolame teachers eyes bullshit!!
Thus endeth the lesson..
I rest my case
And make a self satisfying cup of tea!!
Right, it's way late and I have tunes to mix tomorrow sooo,
Drink my tea and time for bed
Disect your Furby!!
Laters
posted by london cokehead at 3:19 am
8 Comments:
Very nice. Good analysis, although it's actually a recording of me breaking wind.
That would be some squeeky fart going on, right there!
If you reverse the frequency it makes you shit yourself.
Fact.
I'm sure you can actually do that with around 80-30hz, but it would take an amp the size of a fukin house to oscillate the signal!!
In fact, I'm would even go as far as to say it's possible to disrupt intra-molecular bonding if you have the right gear and the right frequency.. Now that would be kinda cool eh!
Ha!!
Microwave guns, kerblap!!
Actually on second thoughts..
Maybe not?
(Boys.)
Gwirls!!
Oh, isn't it Thursday?
come on sexy get blogging !
Well, it works on my RAZR... my friends and I (early 20s) can all hear it on our RAZRs.
So maybe it's your phone, or microphone.
As to whether folks over a certain age CAN'T hear it, well obviously there is a great deal of variance from person to person.
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