Dirac Live Room Correction Suite 17

I think the idea of using the computer to do room corrections for computer audio is an ideal goal, especially for those of us who use the computer as our only audio source component. I'm just not persuaded this is the realization of that promise.

this is correct and shows a good understanding of the mechanisms of equalization/room correction. In fact, a well-made filter should be aware that there are situations in which it makes, for certain frequencies, amplifications also the order of 10 db.

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Nevertheless, it needs to be considered when using Dirac for room correction and comparing it to without room correction. While Dirac does have an "on" and "off" button it is still in the signal path. The fair comparison is: Jriver Asio -> soundard vs Jriver Kernel Streaming -> Dirac with filters on -> soundcard.

For a deeper dive into Dirac's new room correction system please take a look at this recent LiveStream (below) from Gene and Matthew. Here you'll see two of our most learned Audioholics discuss and debate the new Dirac system from last October when we first learned that the new technology that was eminent for release in early 2023.

You may be asking at this point, why would one need the Room Correction Suite?Your speakers and equipment may cost north of $100,000, so they should putout a fairly flat frequency response, the room is probably decked out in allsorts of room correction paraphernalia, and either you are of the school thatabhors tone control or have a modern preamp-processor with the Audyssey orsimilar inexpensive room correction system.

Well I have to tell you that no speaker is perfect, and in any media room nomatter its size, configuration and correcting apparatus, there will be at best +/- 5 to 10 dB peaks and troughs in frequency response, plus manufacturers tunethe sound of every piece of equipment in the chain to what they consider to beproper sound. Plus, until this program, I've been very dis-satisfied with theresults obtained with the other correction programs out there; the curvesobtained being what the manufacturer considered to be correct.

About a month ago, Dirac contacted me about a new program of theirs, the RoomCorrection Suite. For 487.50 Euros now, about $649 and in the future 650 Euros, one gets both the Calibration Tool and Dirac'sAudio Processor Controller. That's a lot of money for a program whenone considers that one can get the XTZ Room Analyzer Pro with microphone, orseveral other programs out there, some for no charge, to do room and speakeranalyzing, with correction if one has active crossovers. But for those withnormal passive crossover speakers or those with built-in amplification, all onecan do is move the speakers around or play with the room acoustics to improveboth the speaker and its room interactions.

Unlike most room correction software which are set up to measure one set of roomvolume parameters by having you move the microphone to set areas the programwants, Step Four, Measurements,allows one to tell the program whether one wants correction for a singlespecific room position such as a chair for one person listening, or an area suchas a couch, or correction for the entire room. Single position placement wouldbe the norm for most audiophiles as the larger the correction area, the lessaccurate will be the correction for the sweet spot.

I know that $600+ plus the cost of a measurement microphone is a fairly highprice for a computer program, but I guarantee you that the results would beequivalent to meg-bucks updates to your room or equipment. I also know thatthere are many of you out there who feel it's an anathema to use a computer forhigh end playback, never mind using it to do tone control, then performing majorcorrections to speaker output. All I can say is you don't know what you'remissing.

Obviously it can only be used with the computer as a source, which is not aproblem if you have all of your music as computer files, and use your computer'sinternet connection for downloading music files or radio programs. But if yourmain sources are analog such as phono or the analog outputs of a digital player,all the program can do for you is allow for easy adjustment of speaker placementand crossovers. There is a work-around and that would be to either get anexcellent soundcard with 5 to 8 analog inputs and superb A/D converters,digitize your analog and run everything through the computer. The hooker for theprogram though is that the highest bit rate is 96 kHz and not the audiophilepreferred 176 or 192 kHz (which will occur later this year). As no computer thatI know of can accept an HDMI input, which is the preferred method formulti-channel audio, and high end audio equipment still do not have FireWire orThunderbolt output, there is no other workaround. Otherwise, this program is thebest I've found for room and speaker correction and highly recommended. be457b7860