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Neural Networks to Model Guitar Amps Printer Friendly Version
Currently there are many guitar "modellers" available to recreate sounds via DSP of various well known amps - but they never sound or respond "just right".
How about using Neural Networks to come up with accurate transfer functions to process straight guitar input signals to realistic sounding and responding amplifier output signals? You train the networks by playing the guitar through the actual amp you want to model, and use backpropogation of error to define the specific amp transfer fucntion over some training time.
Reward: Iron Maiden to play at my Birthday Party at my house. 

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United States Printer Friendly Version
Apple sells a product called the "Airport Express". It is a wireless networking node. You can plug your computer into it to join the network OR you can plug in a pair of speakers - this is called "Air tunes". iTunes allows you to stream music to multiple Airport Express nodes.
My idea is to create a boom-box that has an Airport Express built into it.
Right now you have to take your speakers or boom-box and your Airport Express to your listening spot. You plug the Airport Express into a wall outlet, then plug your Airport Express into your boom-box. If your boom-box needs to use A/C power, you have to plug that into the wall, too.
By merging these two pieces of equipment, you have a single box that can go anywhere in your house and you just plug it in. iTunes will find it and send music to it.
If you have an iPod Touch or iPhone with the Remote application you can control iTunes remotely as well.
There are a number of devices you can plunk an iPod into and have speakers. This is different and, I think, pretty simple to build for someone familiar with electronics. I don't think you'd even need to disassemble the Airport Express.

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 United Kingdom
Digital Radio Images Printer Friendly Version
I don't know about other countries but when I tune into radio on my digital TV I just get a blank blue screen, wouldn't it be a good idea for the station provider to make their digital service more interactive by displaying information about the music playing, they could run competitions or advertisments anything really to take the blue screen away! I know radio is for listening to but if I sit in my living room and try to listen the screen seems to draw me back to looking at it!
Reward: Free digital TV? 

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