"Great video as always! However, I'd like to challenge your argument in this video with a question that I think deserves a video on its own. What if people are not listening at reference level? Does not the perceived loudness of different frequencies then change so that a greater boost in bass (and treble) is actually needed to maintain accuracy? To my understanding that is what research has shown, and that is why we have an international standard that specifies how to correct for that (ISO 226:2023). To my understanding, mixing engineers take equal-loudness-level contours into account when mixing so that the mix sounds balanced at reference level. But again, most of us don't listen at reference level, many in the community have attested to that. Audyssey's dynamic EQ is designed to correct for that using equal-loudness-level contours, i.e. boosting the bass and treble as you lower the volume below reference level. Audyssey themselves also claim to have done research where they have found that perceived loudness drops off faster behind us than in front of us (ISO 226:2023 only deals with sounds coming from straight ahead), wherefore Dynamic EQ also boosts the level of the surround channels. Despite the fact that we have an international standard (which certainly does not come to fruition by chance), I often hear people in the home cinema community reject features like Dynamic EQ because they believe that it is a gimmick that should not be used if you want accuracy and creator's intent. At the same time, they admit that they never listen at reference level, but rather at -10 to -25 db below reference. Personally, I have calibrated my system using OCA's AudysseyOne script which does a fantastic job and sounds amazing at reference level, but when I listen at -40 dB with my family, Dynamic EQ is an absolute must for me as it does a fantastic job at restoring the the bass (and treble) that you get at higher listening levels. So Matt, please explain to me (and the rest of the community), should we use loudness compensation features like Dynamic EQ if we listen below reference? If not, can you give us an educated answer as to why, because no one who bashes on Dynamic EQ seems to know what they are talking about."
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