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Originally Posted by kipman725  rip the gear out a bose and put it in your amp is your best bet. Bose use to pretty sophisticated tequniques to make awfull speakers and headphones sound better...
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The electronics in the Bose headphones will be optimised for those headphones, drivers, mic placement etc.
Just sticking them in another pair of headphones will not yield good results. The electronics have to be specifically tuned to the headset to achieve anything as good as the Bose system (the noise cancelling bit).
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Originally Posted by kipman725 I think they have been using DSP's for over 20 years now. To use this is bad as the hardware sounds pretty nasty but to the consumer it's wonderfull as they get "big sound" out of a box the size of a match box (consumers care alot about size).
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I beg to differ. It has nothing to do with DSP technology. It's the way it is used that is the problem. A lot of high-end audio and video equipment use DSPs for signal processing with good results (provided the DSP is powerful enough).
The difference IMO is that Bose attempt to get a good sound out of crap systems by heavily processing the signal. Other manufacturers use DSP to optimise already decent systems.
Back to the question in hand, yes it probably is possible if you're willing to spend enough time playing around with equalisation and delay times. You will need to find the frequency response of the microphone(s) you are planning on using, and compensate for their placement and distance relative to the drive units of the headphone. You will therefore need some delay, since the background noise will hit the microphone before the headphone drivers, and you will need to apply some equalisation to compensate for the frequency response of the microphone and the headphones themselves.
) noise cancelling headphones?
