Rockbox General > Rockbox General Discussion

Accurate EQ correction for iPod Earbuds

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mannequin:
this sounds like a great method to adjust the rockbox eq but i'm confused about the graph of these particular headphones since all the spikes are going on closer to 20,000 Hz:



any advice how to go on about it would be appreciated.

soap:
Don't forget that when creating EQs based upon graphs alone, and especially when doing so on iPods with low-impedance loads, you need to use two graphs.  Graph one being the frequency response of the headphone, and graph two being the frequency response of the player when loaded with said phones.

Febs:
Well, there's also HRTF (head-related transfer function) to take into consideration as well.

soap:

--- Quote from: Febs on March 23, 2007, 01:33:08 PM ---Well, there's also HRTF (head-related transfer function) to take into consideration as well.

--- End quote ---

Oh, I assumed HeadRoom was using a mannequin head for their tests.
 ;D

Febs:
Good point.

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