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A lot of hot AIR from Devialet - survey 2 - Printable Version

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A lot of hot AIR from Devialet - survey 2 - IanG-UK - 23-Mar-2015

This is a the second survey on AIR and the incidence of white noise. Please reply to it only if you replied to the first survey AND only if you ever got or get "white noise".


The results will be fed back to Devialet on an anonymised basis.


Please regard AIR as meaning AIR ethernet and/or AIR wifi, as the context refers.

This second survey seeks to break down the categories of white noise into:

EITHER a random repeating signal of fairly constant density, which might emerge quickly or after some time ;

OR dropouts ;

OR crackling. 

I know some of these may just be network disturbances though these will generally be in the crackling or dropout categories.

Thank you.

SURVEY CHOICES (YOU CAN CHOSE JUST ONE OF THE SEVEN CHOICES)

--- --- ---

Thank you very much


RE: A lot of hot AIR from Devialet - survey 2 - Jnan_devi - 23-Mar-2015

Dropouts only. Not tested for long hours yet to see how it performs. Maybe i get white noise but for now my listening hours are 1-2 hours per day.


RE: A lot of hot AIR from Devialet - survey 2 - Rufus McDufus - 23-Mar-2015

You'll know the white noise when you hear it - it is truly horrible! Dropouts are definitely better.


RE: A lot of hot AIR from Devialet - survey 2 - Womaz - 23-Mar-2015

(23-Mar-2015, 16:15)Rufus McDufus Wrote: You'll know the white noise when you hear it - it is truly horrible! Dropouts are definitely better.

I am just waiting to hear it through my headphones Smile Smile


RE: A lot of hot AIR from Devialet - survey 2 - Mohmm - 23-Mar-2015

(23-Mar-2015, 11:29)IanG-UK Wrote: This is a the second survey on AIR and the incidence of white noise. Please reply to it only if you replied to the first survey.


The results will be fed back to Devialet on an anonymised basis.


Please regard AIR as meaning AIR ethernet and/or AIR wifi, as the context refers.

This second survey seeks to break down the categories of white noise into:

EITHER a random repeating signal of fairly constant density, which might emerge quickly or after some time ;

OR dropouts ;

OR crackling. 

I know some of these may just be network disturbances though these will generally be in the crackling or dropout categories.

Thank you.

SURVEY CHOICES (YOU CAN CHOSE JUST ONE OF THE SEVEN CHOICES)

--- --- ---

Thank you very much

I replied to your first survey (Mac and no noise) and you ask me to reply to this one also. None of the alternatives applies, though. Any feedback you give to D will then be biased.


RE: A lot of hot AIR from Devialet - survey 2 - IanG-UK - 23-Mar-2015

(23-Mar-2015, 18:43)Mohmm Wrote: I replied to your first survey (Mac and no noise) and you ask me to reply to this one also. None of the alternatives applies, though. Any feedback you give to D will then be biased.

Don't worry I will combine the data to allow for the "no noise" voters. The second survey is merely to categorise the "noise" voters into the three types. I know it is irrelevant to the no noise group, it might be better to make that clear - which I have now done. Thank you.


RE: A lot of hot AIR from Devialet - survey 2 - Jean-Marie - 24-Mar-2015

I have short drop outs only, quite infrequent: no more than once of twice a day for a 5 to 6 hours listening.

Everytime, I have been able to relate that to the known bug in MacOS related to "kernel[0]: IOAudioStream[0x4d83000]::clipIfNecessary() - Error: attempting to clip to a position more than one buffer ahead of last clip position (d24,39)->(d57,3b5)"

This is frustrating because the problem belongs to Apple but they ignored it for years (it is known to appear on some USB interfaces as well as firewire) and therefore, unless Apple corrects it which is unlikely, the only solution for Devialet is to work around it.


RE: A lot of hot AIR from Devialet - survey 2 - hk6230 - 24-Mar-2015

So, white noises may be due to system buffering issue?


RE: A lot of hot AIR from Devialet - survey 2 - Eddye - 24-Mar-2015

"Voted": I get constant density noise AND dropouts AND crackles


RE: A lot of hot AIR from Devialet - survey 2 - Rufus McDufus - 24-Mar-2015

(24-Mar-2015, 08:09)Jean-Marie Wrote: I have short drop outs only, quite infrequent: no more than once of twice a day for a 5 to 6 hours listening.

Everytime, I have been able to relate that to the known bug in MacOS related to "kernel[0]: IOAudioStream[0x4d83000]::clipIfNecessary() - Error: attempting to clip to a position more than one buffer ahead of last clip position (d24,39)->(d57,3b5)"

This is frustrating because the problem belongs to Apple but they ignored it for years (it is known to appear on some USB interfaces as well as firewire) and therefore, unless Apple corrects it which is unlikely, the only solution for Devialet is to work around it.

That is very interesting. The errors do coincide with the dropouts do they? Googling this seems to be a fairly common problem with programs that perform sound card interaction, but it's odd that the AIR issue is also happening on Windows too. Could it be quite low level close to the sound card drivers? it implies underlying code common between Mac and PC.
I've never managed to get any kind of error log messages on Windows.