Who would have seen that coming? It turns out that the iPhone 4 and Google Nexus One share the same noise cancelation technology. The A1026 chip by Audience has finally been discovered as the technology behind the iPhone 4's impressive noise cancelation.
While also demonstrating that the iPhone can never be dissected too much, the folks at iFixit have finally uncovered the magic of the device's low power audio signal processor. Noise cancelation helps remove ambient and unwanted noise when the iPhone's mic is turned on.