Everything you need to know about adaptive equalization at AirPods

Apple has finally introduced us to the 3rd generation AirPods. These are based on the Pro version rather than the 2nd generation AirPods, because they take over some of their functions. These include adaptive equalization, which now lacks only the basic series, because except for the 3rd generation and the Pro model, you will also find it in the AirPody Max. What is this technology really about?

Apple states in its headphones that the adaptive equalizer automatically adjusts the tone to the shape of the ear to make the listening experience rich and consistent. In the case of AirPods, Max, of course, mentions the fit of the earbuds. He adds that inward-facing microphones record exactly what you hear. The headphones adjust the frequency of the music played accordingly so that the experience is consistent and each tone sounds true.

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Advantages of adaptive equalization

More specifically, an adaptive equalizer is an equalizer that automatically adapts to time-varying characteristics of a communication channel. It is often used with coherent modulations, such as phase shift keying, to mitigate the effects of multipath and Doppler propagation. Thus, the advantage of adaptive equalization is that it eliminates linear errors from modulated signals by dynamically generating and applying a feed-forward (FIR) compensation filter. These linear errors can then come from the transmitter or receiver filters or from the presence of several different paths in the transmission path.

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By default, the equalization filter has a unit pulse response that provides a flat frequency response. The pulse position of the unit is a function of the length of the filter and is positioned to provide the most optimal efficiency for most situations. Everything packed together has an effect for the user in the most faithful sound quality.

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The question of use

Adaptive equalization makes sense for the AirPodsPro and Max, because they contribute to the quality of listening by their design, but for the 3rd generation AirPods, the question is whether the use of this technology is justified. The pips simply do not seal the ear so well that you can enjoy the maximum quality of listening – if we are talking about a busier environment. You can really appreciate this technology in that quiet home, for example. However, we will only find out how much it will be with the first tests. 3rd generation AirPods are available for CZK 4,990.

Newly introduced Apple products can be purchased, for example, on Alza, Mobil Poohnosti or iStores

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