- Thread Starter
- #21
Thanks for sharing, the plots showing the effect of low frequency containment are interesting, and whilst I agree with you that the boost is too much, there are some other points in your video that I don't think are quite right...I have uploaded a video recently with calibrated mic/REW measurements of all Audyssey settings...
1) I'm not sure it makes sense to compare with the Harman target curve; this is not the target applied by Audyssey. (Or did you already modify the Audyssey target to look like Harman - if so this could be another reason for excessive bass).
2) Your conclusion that bass boost starts from 1kHz and below comes from comparison with the Harman target; which isn't a valid comparison in this case. If you look at the plots in the OP it doesn't seem to do much at 1kHz, maybe it starts nearer 500Hz.
3) You can't really understand how Dynamic Eq and Dynamic Volume work from frequency response curves measured at only one volume level. The whole point of these features is that they apply different correction depending upon the volume level. This means that you have to be very specific about mentioning the volume used for your measurements. The point of the OP was to highlight that for the surround channels boost is applied at all frequencies (not just bass and top) this can be demonstrated with measurements at a single volume.