iPhone 4 Noise Cancellation Powered By Audience

iFixit sent out an email blast this afternoon that points to an analysis of the iPhone 4′s voice processor that powers the noise cancellation feature of the device.

The noise cancellation technology in the iPhone 4 improves call quality by masking various background noises during phone calls so that both caller and receiver have an optimal experience.

The silicon behind the noise cancellation is an Audience-branded silicon, found by the Chipworks team by X-Raying the chip.

According to iFixit, the find ends speculation as to whether Apple invented their own voice processor or licensed third-party technology.

The package has an embedded digital signal processor with accompanying analog front ends. The iPhone’s audio cancellation capabilities are very impressive, outperforming just every non-Audience powered cell phone we’ve tried… This is a huge win for Audience.

The attention-grabber in the iFixit email blast was that Audience is “the same company that powered the Nexus One’s innovative audio cancellation”. Looks like Apple and Google think alike. 🙂


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