RoomFit is very good - my experience and settings

[d00]

I always have a problem with this calibration. It's better on the iPad than the iPhone, but it's still weak. It cuts my bass all the time. The sound is made as if I put a blanket on the speakers. Without life.

 

[EddNog]

I always have a problem with this calibration. It's better on the iPad than the iPhone, but it's still weak. It cuts my bass all the time. The sound is made as if I put a blanket on the speakers. Without life.

Using the built-in mic on iPad or iPhone will not work well.

-Ed

 

[drrw119]

I always have a problem with this calibration. It's better on the iPad than the iPhone, but it's still weak. It cuts my bass all the time. The sound is made as if I put a blanket on the speakers. Without life.

See a recent Reddit post below - I don’t know exactly how the curves were derived, but they attempt to compare iPhone, iPad and UMIK-1 microphones. I was surprised at the similarity, but UMIK-1 response appears flatter, and the difference is largest below 50Hz. Is the problem that iPhone and iPad mics just aren’t suitable for bass correction?

https://www.reddit.com/r/BudgetAudiophile/comments/1mr2ze1/macbook_iphone_airpods_compare_to_umik1_in_rew

 

[dominikz]

Unfortunately the verticale scale in that diagram is 300dB. That will make any difference in response seem small, when in reality it could be a very significant deviation from flat.
This makes the diagram of very limited use, I'm afraid.

The standard vertical scale when looking at loudspeaker responses is 50dB, and it can be much less than that when comparing precision devices like measurement microphones.

 

[Ion65]

Useful review of WiiM Amp Ultra from Darko Audio here :

Make sure you stay until the end where he goes into some detail on WiiM Sub support and RoomFit - I think he is a fan!

 

[Horsey]

Using the built-in mic on iPad or iPhone will not work well.

-Ed

Ran the updated RoomFit on an iPad with a good quality external mic. Superb.
\Was awaiting it but the improvement in clarity, detail and soundstage was a big improvement on my full range tube monoblock system. YMMV

This is easily the best WiiM software RC improvement to date. Thanks, WiiM!

 

[Öggy]

Darko says that WiiM uses the smartphone microphone to synchronise with the subwoofer. Is this different with the Ultra Amp than with the Ultra? I'm a little confused.

 

[Djinn206]

Darko sagt, dass WiiM das Smartphone-Mikrofon zur Synchronisation mit dem Subwoofer nutzt. Ist das beim Ultra Amp anders als beim Ultra? Ich bin etwas verwirrt.

No, that‘s wrong.

 

[EddNog]

Darko sagt, dass WiiM das Smartphone-Mikrofon zur Synchronisation mit dem Subwoofer nutzt. Ist das beim Ultra Amp anders als beim Ultra? Ich bin etwas verwirrt.

He was simply wrong/uninformed.

-Ed

 

[Bruce]

After the last update (Wiim Pro), my calibration works (Room Correction), but the resulting profile is not saved anywehere.
I did a ticket and received an explanation about 'RoomFit' etc BUT There is no RoomFit tab on my Wiim pro app.
What am i missing ?

 

[slartibartfast]

After the last update (Wiim Pro), my calibration works (Room Correction), but the resulting profile is not saved anywehere.
I did a ticket and received an explanation about 'RoomFit' etc BUT There is no RoomFit tab on my Wiim pro app.
What am i missing ?

How did you run room correction? The RoomFit profiles are saved in the same page that you run the room correction from

 

[Bruce]

I just checked some FAQ and I found some complicated guidance that I should somehow migrate to RoomFit. However, no RoomFit wording appears in my app and the settings they indicate are not available to me.

I simply run calibration with Room Correction as usual, it works, it let me name the new calibration profile and 'Create...', but then I cannot find the new profile anywhere.

My firmware 4.8.726839/ 20250820 (Wiim Pro). Looks like I am in the limbo between updates.

 

[Bruce]

I had to manually update the app from Google Play, not I see the buttons.
I am used with automatic updates, that is why I was confused.

 

[slartibartfast]

I had to manually update the app from Google Play, not I see the buttons.
I am used with automatic updates, that is why I was confused.

Sometimes the WiiM Home App updates don't appear in the update list but when you search for the app it shows an update is available. It's a mystery

 

[bizzbork]

I've been playing around with RoomFit for a bit now and have settled on something I'm happy with (for now anyway). My biggest issue was that everytime I ran RF, I was having all the bass sucked out. I stuck with the following settings to just focus on the low end:
Curve: Harman
Freq: 30-300
Max Gain: 6
Min Gain: 6
Q: 10
Smoothing: 1/6 Octave
Multiple Measurements: On
L/R: Enabled

So I have this running as my RoomFit profile, and for EQ, I use the 'Jazz' setting. Feels like it meshes well with the profile, and I get the mid to high frequencies in the mix as well.

 

[hgo58]

My biggest issue was that everytime I ran RF, I was having all the bass sucked out.

I get the same but what is happening, as I can see, is that the lower frequencies is getting under controll according to the room and that sounds flat if you are used to the uncontrolled bass.

Adding a bit of bass using the EQ/PEQ makes it fine again and with a much better bass.

PS: What microphone do you use?

 

[MCG555]

Hmmm, so how I missed this: How does the moving mic function works in the process? Are theses several points where the mic mesures?

First of all the MMM process starts with the right smartphone orientation. You must twist its orientation, the bottom microphone must point to the loudspeakers, For this purpose the app itself twists by 180°. Now the GUI is upside-down and you can twist the smartphone and continue the process with that orientation,
The first sweep is the usual low-to-high frequencies run. For this the smartphone should be exactly at the place where you normally are sitting.
After that a white (or pink?) noise starts for one minute. I recommend an ear protection . During this audible noise you move the smartphone randomly around the usual listening area, let's say +/- 20 .. 30cm in all directions.
Finally you get a result that (in my case) looks very different to all former measurings. Frequencies that I never thought of before suddenly are recognized and compensated. In my case even around 5kHz was a strong mode, I assume the many glasses in my car, whatever.
The result is the best I ever had in my car (and I am dealing with this subject for approx. 40 years now ..)

So, if I got this right, the function is designed to give an even better performance at the listening place. It is not a measurement for different positions in the room… ?

Have you tried it in your listing room? Same positive outcome?

I believe in the car it is somewhat different as „the room“ is much smaller and modes are probably less relevant…

 

[dominikz]

Perhaps it is worth noting that when MMM option is enabled in current RoomFit implementation the sweep part is still given a much higher weight than the noise part. As such, it won't produce results equivalent to using MMM in e.g REW.

For reference see the analysis in this post, and a confirmation of my findings by @jiaxin.li (WiiM) in this one.

Given this design choice plus lack of individual channel option with MMM, and given that the multiple measurement beta option still has a bug where some sweeps don't play, I mostly still resort to just using the basic single sweep option in RoomFit. It is IMHO the only measurement variant that at the moment works without issue or limitation.
A benefit is that it is also the quickest to perform.

 

[Öggy]

Quick question: Should the microphone be pointed directly at each speaker, or kept in the sweet spot for both channel measurements?

 

[harkpabst]

Quick question: Should the microphone be pointed directly at each speaker, or kept in the sweet spot for both channel measurements?

I don't quite understand the difference.

There's no good reason to have it pointing the ceiling in a stereo plus sub setup. When doing independent left and right room correction, pointing the mic to the speaker in question or straight between the speakers will make ~0 difference.