iPod classic tests reveal audio problems | iLounge News


iPod classic tests reveal audio problems

Newly released audio measurements comparing the iPod classic to a fifth-generation iPod suggest problems with the newer iPod’s Cirrus Logic audio codec. Having initiated a discussion in Apple’s iPod classic forums, Marc Heijligers writes, “The measurements show is that the iPod Classic indeed has an uplift in treble, and its timing response is incorrect.” According to Heijigers, the new Cirrus Logic audio codec chip, which Roth Capital’s Jay Srivatsa says has replaced a chip from Wolfson Microelectronics inside the iPod classic, misaligns the arrival of treble detail relative to mids and bass, causing audio from the classic to lack “spatial information and a certain timbre.” Heijligers suggests that Apple may be able to fix the problem through a firmware update.

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