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Active Room Treatment (ART) by Dirac

Does you stating that you are beta testing mean it is close to be released to the masses, e.g. Denon Marantz?
I don't know of any connection but I wish it was so. I recently convinced my son-in-law to buy a Marantz AV10.
 
It's $299, in addition to the cost for Dirac Live and Bass Control.
Bass control is only necessary if you also use a subwoofer. Dirac is probably also considering a version without RC and BC.
 
Has anyone by chance compared ART with HAF Room Shaper?
They seem similar products as they act on decay control, albeit with different approaches.
Room Shaper is not exactly clear how it works for me. From what I understand it intervenes selectively on late acoustic events (>250ms) up to 600Hz, with psychoacoustic option for treble also, but without exploiting the cooperation between drivers.
ART on the other hand seems to control the shape of the decay starting from the peak of energy, taking advantage of all the drivers, but only up to 150Hz (at the moment, but it can potentially go further).
 
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RC as in room correction? I've never heard of any DIRAC correction that didn't involve the base room correction, although having bass correction only to Schroeder isn't a bad idea, but it's kind of like admitting the room correction is worthless (I limit Audyssey to 3000Hz as the midrange and highs sound no better and often worse to my ears). Without Spinorama data, you're correcting the average room response of direct and reflected sound, not just the room and that can actually make the direct sound worse...a lot worse. My speakers are +/- 1.5dB direct. I'm not letting correction screw that up.
 
Has anyone by chance compared ART with HAF Room Shaper?
They seem similar products as they act on decay control, albeit with different approaches.
Room Shaper is not exactly clear how it works for me. From what I understand it intervenes selectively on late acoustic events (>250ms) up to 600Hz, with psychoacoustic option for treble also, but without exploiting the cooperation between drivers.

My understanding is that Room Shaper selectively shortens some bass frequencies to reduce ringing a those frequencies. Read this post.
 
My understanding is that Room Shaper selectively shortens some bass frequencies to reduce ringing a those frequencies. Read this post.
Yes, I had read that post, but it is still not clear to me how it works exactly and why it is different from what Audiolense/Acourate do with FIR to correct excess phase.
 
Acourate tackles two different types of excess phase. Firstly, the convolution of the linear phase XO with the inverted minimum-phase response of the loudspeaker will produce excess phase and apparent pre-ringing in the step response. This is the purpose of the EP correction in Macro 4 (if you use Acourate you will know what I am talking about). The second type of EP that Acourate corrects is introduced by the room. This is evident as a spike in the Group Delay graph that corresponds with a null in the frequency response. By introducing a high Q all-pass filter, the EP spike can be dealt with. Its purpose is to smooth out low frequency response.

Room Shaper works by analysing decay of certain bass tones. It then shortens the note to reduce the decay. Because of this, it has to work in real time which is why it is inserted as a VST in the DSP pipeline.
 
Firstly, the convolution of the linear phase XO with the inverted minimum-phase response of the loudspeaker will produce excess phase
Maybe you mean change instead of produce?
Otherwise I don't understand why...
 
Given my GD problem with BC I tried again to ask to Support for news about ART for PC/Mac, even in beta, but with no luck.
AVR is the priority :(
 
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