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Topic: Question regarding EQ of headphones (Read 2754 times) previous topic - next topic
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Question regarding EQ of headphones

I have a question, lets just say I have my 16 k band on a ten band eq, and I boost it 2 db, then I boost the 1k range .5 db. Will the boost in the 1 k band "cover up" the boost in the 16 k range, and so I would have to boost the 16 k range band more to compensate?

Question regarding EQ of headphones

Reply #1 –
I mean, Like you know how if you boost the bass in a headphone, it'll cover up the highs, so if you boost the bass in an eq it'll be like lowering the highs in an EQ, so if you just boost one band of an EQ, does the same principle apply to the other band you boosted?

Question regarding EQ of headphones

Reply #2 –
Gee, you've certainly got a bee in your bonnet, don't you?

What you're probably implying is, on this theoretical EQ of yours, whether simultaneous masking (one of the psychoacoustic principles why lossy encoding works BTW) would affect frequencies so far apart: ideally they don't!(at least for a properly designed EQ).

As it says here, masker (you guessed it: the frequency masking) and maskee (the other way around) must be close enough to each other in the frequency domain for that to happen and still, would be affected by many other variants which you can read more on on the HA wiki - be careful to stop at Temporal Masking, which is another different beast.
Listen to the music, not the media it's on.
União e reconstrução

Question regarding EQ of headphones

Reply #3 –
I believe he talks about two concepts: the loudness, and the filter bandwidth.


As for the first one, boosting bass usually makes the sound louder, which can be felt as if other frequencies decreased in volume. But that is not what happens, and not a direct effect of the frequency boosting. In fact, the effect might indicate boosting too much.

As for the second, an equalizer (at least non-brickwall ones), has like a squirt on each band (bandwidth image). These "squirts" overlap slightly so adjacent bands affect slightly to the other.

As such, a big boost on one band, with a big decrease on the next band does not produce exactly the expected result (although the first will be boosted, and the second decreased, but not by as much as the slider indicates).



But definitely, your scenario, with a good enough equalizer (i.e. one with more than 3 bands) probably will not show any side effects on the scenario you've described.

Question regarding EQ of headphones

Reply #4 –
I suspect he's just using a simple bass boost that pumps up a braod range of low frequencies. That will make treble sound weaker by comparison but you probably won't notice this much with a real eq.

Question regarding EQ of headphones

Reply #5 –
Quote from: Gintoh on
I have a question, lets just say I have my 16 k band on a ten band eq, and I boost it 2 db, then I boost the 1k range .5 db. Will the boost in the 1 k band "cover up" the boost in the 16 k range, and so I would have to boost the 16 k range band more to compensate?
 

  Here's situation you're talking 'bout (when Q is 1.414) : http://i43.tinypic.com/de1r9u.jpg

You should note how "Q"uality value effects (various Q @ 100Hz/+6dB): http://i43.tinypic.com/2ivmyrc.png

Juha