WiiM Mini Streamer

[Smartplug]

I got 434845 beta for MQA.
No distortions in non-EQ mode, but EQ mode is broken and distorted even with flat preset.

Do you experience distortion or stuttering on mqa?

 

[morillon]

g v

I'm building a headphone "rig" and have so far got a Wiim mini and Hifiman Sundara phones. I need an amp for them - the aux out on the Wiim is not powerful enough.

From tests using the headphone out on my itegrated amp, I also want to raise the bass on the headphones.

Would I be best getting a headphone amp/DAC with tone controls (the only one I have found is a budget Fosi Q4 with bass and treble knobs), or using the EQ within the Wiim?

if the case of the distortion linked to a dcr "limiter" even in no eq mode is something a little particular, depending on the particular conditions.. and will certainly be quickly repaired
if for the use of a rather ambitious headphone .. it will take a quality eq or peq correction ...
this is clearly not the case... it is not very transparent and coarse..
but hey the mini ... it's 80 dollars and on many types of music will certainly not be too sensitive ...

maybe the computing power and the superior memory of the pro will allow a correction to a higher resolution, qualitative and transparent..

 

[onlyoneme]

Do you experience distortion or stuttering on mqa?

I do not have tidal subscription nor MQA equipment atm.

 

[liviurosioara]

My device was updated to 4.6.435135 which is different than the ones you mentioned earlier.

 

[Ralph_Cramden]

My device was updated to 4.6.435135 which is different than the ones you mentioned earlier.

 

[liviurosioara]

View attachment 242470

Indeed, I just saw the release notes:

4.6.435135
(Latest)
Release date:
11 / 10 / 2022
This update involves the following:

• Fixed - Sound distortion issue caused by EQ
• Fixed - Unable to resume the Amazon Music
• Improvement – Select the best content from Qobuz based on SPDIF output resolution
• Other bug fixes and performance improvements

 

[Jpdelaney.tml]

Just got 5135 FW, need to test it.

 

[Smartplug]

Just got 5135 FW, need to test it.

Would like to know if this fw fixed it. Notes say it did.

 

[Jpdelaney.tml]

0dB 1khz Amazon music mini Soncoz DAC amp and speakers to iPhone mic….still has harmonics, fixed volume, No EQ. Dirty?????

 

[Jpdelaney.tml]

Previous FW same chain

 

[Jpdelaney.tml]

Sorry, this Oneida

 

[Jpdelaney.tml]

I would have to guess that it is not fixed. Bets anyone?

 

[Merifon]

0dB 1khz Amazon music mini Soncoz DAC amp and speakers to iPhone mic….still has harmonics, fixed volume, No EQ. Dirty?????

The mechanical coupling among speaker movement, air and microphone, could lead to see some harmonics.
The problem of clipping, with a tone signal approaching 0dB is easily hearable even at low loudness, moving the wiim app volume cursor to max or setting it fixed, lot of harmonics come up. Try some lower freq, it's easier to hear distortions.

 

[onlyoneme]

Looks like 2 official FWs released today plus 1 beta MQA.

 

[Ralph_Cramden]

~/pyAudioTest-master$ python3 thdcalculator.py 1khz.wav 1000 5 15
filename = 1khz.wav
freq = 1000, t1 = 5, t2 = 15
frame rate = 44100, channel = 2
shape = (2, 1359872), dim = 1359872, sample_rate = 44100 channels = 2
track length = 30.84 seconds
low_freq = 10.0, max_freq = 1000.0
low_freq = 10.0, max_freq = 1000.0
channel 1: thd = 0.000 %
channel 2: thd = 0.000 %

 

[onlyoneme]

~/pyAudioTest-master$ python3 thdcalculator.py 1khz.wav 1000 5 15
filename = 1khz.wav
freq = 1000, t1 = 5, t2 = 15
frame rate = 44100, channel = 2
shape = (2, 1359872), dim = 1359872, sample_rate = 44100 channels = 2
track length = 30.84 seconds
low_freq = 10.0, max_freq = 1000.0
low_freq = 10.0, max_freq = 1000.0
channel 1: thd = 0.000 %
channel 2: thd = 0.000 %


View attachment 242524

May I ask you to capture a response of this file with the current FW?

 

[Jpdelaney.tml]

The mechanical coupling among speaker movement, air and microphone, could lead to see some harmonics.
The problem of clipping, with a tone signal approaching 0dB is easily hearable even at low loudness, moving the wiim app volume cursor to max or setting it fixed, lot of harmonics come up. Try some lower freq, it's easier to hear distortions.

Thks, there is a fair difference in level between tone and harmonics too. Just looking for as clean output as possible, hear it or not. My grandkids might.

 

[Viktor]

New firmware update and again won't play songs from Kodi upnp server. More luck next time

 

[morillon]

~/pyAudioTest-master$ python3 thdcalculator.py 1khz.wav 1000 5 15
filename = 1khz.wav
freq = 1000, t1 = 5, t2 = 15
frame rate = 44100, channel = 2
shape = (2, 1359872), dim = 1359872, sample_rate = 44100 channels = 2
track length = 30.84 seconds
low_freq = 10.0, max_freq = 1000.0
low_freq = 10.0, max_freq = 1000.0
channel 1: thd = 0.000 %
channel 2: thd = 0.000 %


View attachment 242524

if it is the same test where you found " 0.13%" , then it is likely that they removed the drc (put to help manage clipping problems in " eq on "mode which has been bothering them for months).....
it just had no place in "no eq" mode ...where he degraded for no reason

it was "bit perfect"... as long as the drc didn't act with his little muscular arms...
;-)
any other returns to confirm this return to normal in no eq mode?

 

[Merifon]

For what it can be, after a quick listening test of dual tone with wiim>DAC>Nad>headphones:
EQ off, no clipping distortion, neither at fixed volume, nor at maximum volume.
EQ on, distortion is evident, both at fixed volume and at maximum volume.
If you lower the volume by a notch or set a little downward on some frequency slider of the equalizer, the distortion seems disappear.
As far as I'm concerned, since I don't use the EQ, problem cleared, end of the "level crisis"...