Tuesday, February 7, 2012

Why Siri is missing from iPhone 4

We're going to say things. I think everyone who reads this article will do for (logically) why Siri was not integrated with the iPhone 4 and it is the question I will try to answer.
 


In short, this is bound to the chip A5. It's silly, you say, but not that much. We must immediately point out that the problem is not related to performance. The chip that powers the iPhone 4, the A4, is powerful enough to handle Siri. The problem is more a technology is lacking in the A4. Technology that has only been integrated from the A5.

This technology comes from a company called Audience with which Apple has an agreement. It is an advanced development of audio recognition by a camera held well away from the person, while focusing on the sensor near the source of voice and cutting reception on ambient noise. Without the chip installed directly in the A5, Siri performance are greatly affected because the microphone has a hard time not try to analyze the noise for recognition.

4 in the iPhone and iPhone 3G, this type of system (much less advanced and powerful at the time) was already present, but needed a chip off-chip A4 and one that fueled the iPhone 3G, Problem that was solved with the A5 system in which the hearing has been installed directly.

So basically, without hearing technology, Siri would have a hard enough time properly understood and properly analyze the voice of the user.
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