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Not exactly, main parts are : pressure mic, membrane with a given porosity and acoustic impedance, servo driven loudspeaker. It really works as an absorber and not as an antiphase transducer. More infos here : https://www.barryrudolph.com/mix/graphics/article_aes.pdf

Hardware won't work with modal notches : it can correct a peak but cannot compensate an acoustical cancelation. Only basstraps, resonators (or PSI AVAA) can, under some conditions, fill a deep notch.

The topic is very interesting and I mostly agree with this "corner trap nonsense" Maybe I'm a bit late to explain why. Imagine a room in infinite space and cut out all corners (ie 1m in x,y,z) So sound arriving at corners will completely disappear in the empty space (in other terms, will...

This is what you get with MMM measurement and a single microphone : at higher frequencies, reflections are proportionnaly removed from frequency response. Above 600 to 800Hz, the response is mostly direct sound.

Thanks. Where did you get this info or did you measure it ? OK for this confirmation. I did not do any measurement but I think you are right : EQ Off gives a small boost at low frequencies that may be similar to Harman target. EQ "acoustic" seems to have a flatter response in LF. Thanks a lot...

Why do you think it is a generic HRTF ? I hope that Apple is using the personalised HRTF, derived from head scanning : HRTF at +-30° ?

Xilica Solaro QR1 and FR1 offer the same versatility as Q-Sys, and FIR capabilities and price are between MiniDSP and Q-Sys. For comparison of FIR capabilities, see FAQ 'processors' in https://www.loudspeakers.audio/en/faq/

I have an Iphone with AirPods Pro and I'm globally pleased with the sound quality and features but I'd like to share some remarks and questions : What I like : sound quality of Airpods Pro Apple advanced features : Spatialize Stereo, Head tracking, Personnalised Spatial Audio What I don't...

I've analysed a lot of musical tracks and "Fast Track" may be the one that shows the most extended and smooth frequency spectrum from 40Hz to 12kHz (despite a small peak near 9kHz).

Hello, on loudspeakers.audio, you get min phase and lin phase corrections so you can easily listen and compare. Moreover, you'll get a target calculated and optimised for your speakers and room.

Hi, have a look at Igor's room here, mainly used for his professional recording use : measurements are well detailed.

it is MMM measurement averaged over 1 square meter approximatively.

Yes, it is 5 loudspeakers (10 channels) in 5 closed volumes DIY box for differents uses. If we define the speakers as A,B,C,D and E from left to right, C is used as center mid/tweeter and B and D as center bass for multichannel. We are planning future uses such as stereo dipole with B and D, or...

Following Griesinger's recommandations, we tried to place subwoofers (grouped front+left, back+right) so to excite different low frequency modes but keeping L+R summation relatively flat, see picture (L is blue, R is red, L+R is black)

In Igor's system, the subwoofers receive signals lower than about 75Hz

The loudspeakers below the TV screen has 5 coaxials bass/mid + tweeters same as the one in the Kef Q900

I've installed many Xilica Solaro in stereo or 5.1 (Solaro QR1) up to 32 channels immersiv setups (Solaro FR1) : the DSP is quite as versatile and configurable as QSC Core110f. Only its FIR capability is a bit less : 4096 taps per channel for Solaro against 8192 taps for Core110. But QR1 is less...

I never had opportunity to compare side by side BlueHorn and Designer, so I cannot comment. But the Designer model with a competent EQ (IIR or FIR) is a superb solution, and much cheaper.... I also heard TAD in pro studios but I was more impressed by Designer's balanced timbre and dynamics...

In Aliqaz's room, a pair of Meyer Acheron Designer with one or two Meyer subwoofers would be a very nice system, linear and (very) powerfull. No JBL (ie M2) can give you same levels without distortion (Meyer mid/hi is a 4 inches driver !)

Most explanations above seem to be a bit wrong. To be in conformity with SMPTE RP standards, the level at listening position for a front channel should be 85dBC when playing SMPTE-2095 pink noise with RMS value at -22dBFSD (Full Scale Digital). This SMPTE-2095 pink noise has a crest factor of...