Denon's AVR 2805 includes this I believe, and only retails for about $800. Pioneer, Yamaha, and a few others also offer such capabilities. Many of these actually includes some basic form of EQ as well. Lexicon has probably one of the more advanced variations I've seen, with Meridian and Tact also having some pretty cool features. These last 3 are by far much more expensive solutions.
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>>>After this, the receiver would automatically adjusted the power being sent to each speaker, and that would be it. True, false, over-simplification or what?
This is a bit oversimplified on it's description. I have a Pioneer (55TXi) with MCACC and as I understand it this is what it does:
1) you do plug in a mic to the AVR
2) the AVR runs a series of test tones to all speakers.
3) MY AVR makes the following setting changes:
i - time delay is set for each speaker
ii - each speaker is EQ'd, can't remember how many bands
iii - each speaker output is adjusted relative to the other speakers. - (this is useful even with good auto eq - personally, I manually adjust UP 4dB my center channel for HT as most DVD's are not well balanced between center channel dialog and L/R channels.)
I think that is it. Is it perfect? No, but most people seem to find it works well. It is not better or equal to manual calibration with the right equipment (but MUCH easier!!)
I think this particular feature will become a major factor in getting 'the perfect room response' in the years to come, but for now it probably only minimizes of one or two peaks/dips in a system setup.
Above is VERY MUCH my own thoughts. I am not an acoustics expert (my engineering background is in the MHz/GHz range..
Hopefully someone with better info will chime in and even correct anything I may have posted incorrectly.
Cheers, Curtis
This is a bit oversimplified on it's description. I have a Pioneer (55TXi) with MCACC and as I understand it this is what it does:
1) you do plug in a mic to the AVR
2) the AVR runs a series of test tones to all speakers.
3) MY AVR makes the following setting changes:
i - time delay is set for each speaker
ii - each speaker is EQ'd, can't remember how many bands
iii - each speaker output is adjusted relative to the other speakers. - (this is useful even with good auto eq - personally, I manually adjust UP 4dB my center channel for HT as most DVD's are not well balanced between center channel dialog and L/R channels.)
I think that is it. Is it perfect? No, but most people seem to find it works well. It is not better or equal to manual calibration with the right equipment (but MUCH easier!!)
I think this particular feature will become a major factor in getting 'the perfect room response' in the years to come, but for now it probably only minimizes of one or two peaks/dips in a system setup.
Above is VERY MUCH my own thoughts. I am not an acoustics expert (my engineering background is in the MHz/GHz range..
Hopefully someone with better info will chime in and even correct anything I may have posted incorrectly.Cheers, Curtis
Quote:
# ii - auto eq for each speaker is done by all the pionner models that have MCACC as well as all the denon models and yamaha models that have this feature......
one thing that people forget is that you can go into this function and manually adjust each band of the eq to your liking.....
so if you don't like what the auto system has done you can adjust it yourself....
best of both worlds!
cheers!
| Originally posted by bpape I think MOST of the auto-calibrate systems do # iii from above. Some do # i but many you have to still do by hand. VERY FEW do ii. Personally, I'm glad that mine doesn't. I prefer to do any EQ myself. |
# ii - auto eq for each speaker is done by all the pionner models that have MCACC as well as all the denon models and yamaha models that have this feature......
one thing that people forget is that you can go into this function and manually adjust each band of the eq to your liking.....
so if you don't like what the auto system has done you can adjust it yourself....
best of both worlds!
cheers!
The new Denon 5805 has a terrific technology which allows you to calibrate every channel to obtain what they called "multiple sweet spots". Use the search function. There are some threads where this technology has been discussed
BTW, IMO room eq is intended to achieve a better sound from our HT rooms which in general terms are not optimal in geometry, size or furniture layout. It is a helpful feature indeed, but IMO it can't be a complete substitute for room correction
I mean, you first arrange your HT room as good as possible. Then you can use the room eq features present in your receiver/pre-pro
BTW, IMO room eq is intended to achieve a better sound from our HT rooms which in general terms are not optimal in geometry, size or furniture layout. It is a helpful feature indeed, but IMO it can't be a complete substitute for room correction
I mean, you first arrange your HT room as good as possible. Then you can use the room eq features present in your receiver/pre-pro
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