EddNog
Member
I downloaded it, installed it, took one look at the eleventeen thousand different settings that I did not understand the meaning of and immediately shut the laptop.Take it into your own hands and use REW
-Ed
Room correction
- Thread starter krismusic
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-Ed
slartibartfast
Major Contributor
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- Apr 18, 2024
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You can ignore most of it
. There are tutorials on the website.
Not sure what you are using, Ultra or WiiM Amp? Also not sure what the possibilities there are with RC and Subs. Is RC in Stereo setup possible? Why not use Stereo Settings for Bass and L/R RC above bass > 80 Hz?
I use Pro+ and it works perfectly!
EddNog
Member
āStereo,ā room correction works when subwoofer is enabled, but L/R does not, and my room is quite asymmetrical. Turning off the subwoofer to perform L/R correction will be inaccurate for a good amount of the spectrum above the crossover point even with a 4th order crossover (24dB/octave).
It is a WiiM Ultra.
-Ed
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slartibartfast
Major Contributor
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How would you do that?
my """ beta"" function does not pass in times 3, at the time of connection to the server blocks... normally it s ok..
but something a little crazy...
by limiting for example to gain 5, doubles certain frequencies with gain 5...
etc
(It's a shame that we can't differentiate between positive and negative gain limits and limits of facteur Q pk vs ls/hs)
example
but something a little crazy...
by limiting for example to gain 5, doubles certain frequencies with gain 5...
etc
(It's a shame that we can't differentiate between positive and negative gain limits and limits of facteur Q pk vs ls/hs)
example
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Last edited:
Well I do not know how you guys work with the Amp/Ultra.
As I use the Pro+ the full output goes to the Amp anyway including the signal to the Subā¦
Would it be possible to avoid the Sub output and use the full speaker output also for the sub? Do the sepeartion of the sub signal externally / internally of the sub. Some subs allow that. In my case I use the Preamp output for the Subs, however, my B&W Subs would allow also the usage of speaker level outputā¦
The result would be useless for proper sub integration with high pass filtered mains and low pass filtered sub. It just wouldn't be the same.
EddNog
Member
I can set that in the Subā¦
EddNog
Member
If your sub has a high-pass filter option (your connection to the speakers/speaker amp has to run through the sub first so that the sub can high-pass filter the signal to the speakersāan example would be KEF KC92), then yes, thatās great, and you can use that, but the vast majority of subwoofers (including my SVS SB-3000) only have a low-pass filter for the sub, and no high-pass filter for the speakers. We rely on the WiiMās bass management to high-pass filter the main speakers.
-Ed
No, as described, I use the Preamp output. Speakers use full scale, the Sub only below 80Hz. RC aligns everything properly!
EddNog
Member
Right, but this depends on the synergy of your speakers and sub. For example, before I got my DSPeaker Anti-Mode 8033 Cinema, the combination of my sub and my KEF LS50 Meta speakers generated such a massive room gain at 43Hz that no combination of WiiM room correction plus my subās DSP could fully overcome it. The only way to truly resolve that is to high-pass filter my speakers so they donāt reach that low. Now that I got the Anti-Mode, I might try allowing the speakers to again run full-range, because the subās gain at 43Hz might finally be tamed enough to get away with running the main speakers full-range.No, as described, I use the Preamp output. Speakers use full scale, the Sub only below 80Hz. RC aligns everything properly!
That being said, itās important to note that your speakers play a big part in this. With 2-way standmount speakers like my LS50 Metas, high-pass filtering them instead of allowing them to play full-range relieves the mid/bass drivers of trying to push deeper sounds out, so those drivers can produce mids with less distortion, improving overall sound, so running the main speakers full-range is actually detrimental if it is possible to high-pass them (of course, if youāre running big, 3-way or 4-way floorstanders, then this does not apply).
-Ed
Why wouldn't you want to run LS50 full range? ;-) but yeah for bookshelf or limited bass speakers use high pass
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EddNog
Member
Iāve tried all three and flat was discarded immediately. I ended up preferring B&K over Harman for music, but Harman for movies (have my Apple TV 4K/television hooked up to the WiiM via ARC).
-Ed
You can control, all these aspects!
1. Massiv gain at 43Hz? So put less gain at the sub!
2. Less distortion on the lo drivers of the main spekers? Increase the crossover frequency and slighly increase the gain. RC will then lower the low frequencies - also on the mains! You also can play with the bass reflex opening.
RC will resolve crossover issues, depending on the setting (above).
In my system it works perfectly!
Harman is good, I prefer BK - but it is a matter of personal tasteā¦
EddNog
Member
1. No, because then there is also a reduction at the rest of the range, and Iām not looking to reduce at 60Hz, 50Hz, 35Hz, etc. Generally, it is best to have the room correction apply a gain reduction in one spot that attempt to raise gain in multiple places.
2. I donāt think that is the optimal use of the room correction. You need to get the total system as close to optimal as possible before applying room correction. You donāt want room correction having to apply massive (+/- 6+ dB) corrections, as the bigger the adjustments, the higher the likelihood of phase and distortion issues. You want room correction to do as little work as possible.
I also have a rather annoying null around 180Hz and I need to focus the room correction on that region of the spectrum to cut it down.
-Ed
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