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Problem: Digione Signature stuttering
#1
Hi

I have been a long time user of moOde to great satisfaction,
thanks to Tim for that.
  
In December I bought a Digione Signature and a RPI 3+B,
but for several reasons, I havn't got i set up before a few days
ago with moOde 5.2 from image on new Sandisk UHS card.

Now I am struggling with stuttering every 15-30 sec. and it
is a pain listening to. My music is on the same NAS via NFS, as
I always have been using, and everything else is the same,
except the Pi and Digione. I have all set up as it should be
and nothing is indicating any faults.  Today I even made a
new install with latest moOde 5.2
Before that I completely rearranged my home-network/router
and reconfigured my NAS to no avail. 

The Pi 3B is powered via the Digione S as recommended. A
LPS 2,5A 5V for the dirty side and an 1A 5V Supercap-system 
on the clean side.

Before that I had a RPI 2 + Digi+ with just the LPS 2,5A

I think there is something when listening to radio too, but
not as much, and I havn't investigated much.

Does anyone have a clue what to look for ?

Thanks
Reply
#2
(05-17-2019, 06:08 PM)Cyberguy Wrote: Hi

I have been a long time user of moOde to great satisfaction,
thanks to Tim for that.
  
In December I bought a Digione Signature and a RPI 3+B,
but for several reasons, I havn't got i set up before a few days
ago with moOde 5.2 from image on new Sandisk UHS card.

Now I am struggling with stuttering every 15-30 sec. and it
is a pain listening to. My music is on the same NAS via NFS, as
I always have been using, and everything else is the same,
except the Pi and Digione. I have all set up as it should be
and nothing is indicating any faults.  Today I even made a
new install with latest moOde 5.2
Before that I completely rearranged my home-network/router
and reconfigured my NAS to no avail. 

The Pi 3B is powered via the Digione S as recommended. A
LPS 2,5A 5V for the dirty side and an 1A 5V Supercap-system 
on the clean side.

Before that I had a RPI 2 + Digi+ with just the LPS 2,5A

I think there is something when listening to radio too, but
not as much, and I havn't investigated much.

Does anyone have a clue what to look for ?

Thanks

Hi Cyberguy

I too use a DIgione Sig.....no problems with stuttering.

Are you streaming DSD or something that might require large cpu loads?

Also you can try my OS/MPD tweaks, they are geared to make the whole setup run more efficiently.

https://github.com/dynobot/Linux-Audio-Adjustments

I'd like to know if it helped or even if it didn't so, if you use it, please just post a quick reply.
Reply
#3
(05-18-2019, 12:01 AM)Edward Wrote:
(05-17-2019, 06:08 PM)Cyberguy Wrote: Hi

I have been a long time user of moOde to great satisfaction,
thanks to Tim for that.
  
In December I bought a Digione Signature and a RPI 3+B,
but for several reasons, I havn't got i set up before a few days
ago with moOde 5.2 from image on new Sandisk UHS card.

Now I am struggling with stuttering every 15-30 sec. and it
is a pain listening to.

Hi Cyberguy

I too use a DIgione Sig.....no problems with stuttering.

Are you streaming DSD or something that might require large cpu loads?

Also you can try my OS/MPD tweaks, they are geared to make the whole setup run more efficiently.

https://github.com/dynobot/Linux-Audio-Adjustments

I'd like to know if it helped or even if it didn't so, if you use it, please just post a quick reply.

Hi Edward

Thank you for your answer. I will try looking at your suggestion.

However it should not be necessary with the new Pi etc. The
glitches are there no matter what kind of file I play (flac 16/24 bit)
Its difficult to explain how it sounds, but it is shifting from muddy
to clean constant too. My DAC is the build in in Hegel H80 24-192

Unfortunately, I don’t think it’s a fault in moOde  Undecided
Reply
#4
(05-18-2019, 08:05 PM)Cyberguy Wrote:
(05-18-2019, 12:01 AM)Edward Wrote:
(05-17-2019, 06:08 PM)Cyberguy Wrote: Hi

I have been a long time user of moOde to great satisfaction,
thanks to Tim for that.
  
In December I bought a Digione Signature and a RPI 3+B,
but for several reasons, I havn't got i set up before a few days
ago with moOde 5.2 from image on new Sandisk UHS card.

Now I am struggling with stuttering every 15-30 sec. and it
is a pain listening to.

Hi Cyberguy

I too use a DIgione Sig.....no problems with stuttering.

Are you streaming DSD or something that might require large cpu loads?

Also you can try my OS/MPD tweaks, they are geared to make the whole setup run more efficiently.

https://github.com/dynobot/Linux-Audio-Adjustments

I'd like to know if it helped or even if it didn't so, if you use it, please just post a quick reply.

Hi Edward

Thank you for your answer. I will try looking at your suggestion.

However it should not be necessary with the new Pi etc. The
glitches are there no matter what kind of file I play (flac 16/24 bit)
Its difficult to explain how it sounds, but it is shifting from muddy
to clean constant too. My DAC is the build in in Hegel H80 24-192

Unfortunately, I don’t think it’s a fault in moOde  Undecided

BTW the max sample rate of the Digi One is 96Hz
Reply
#5
24bit 192khz  Smile
Reply
#6
(05-18-2019, 11:00 PM)Botte Wrote: 24bit 192khz  Smile

Really okay, I never tried ....great Big Grin
Reply
#7
Hi

Just to follow up, I tried af few things, to exclude my network from being
the problem :

Changed to a new CAT6 cable from switch to Pi - no changes
Copied some files to SD card and played from there - no changes

I have also tried switching around with some SMPS (one from Allo) - no changes
(Digi One S will only work (with faults), connected to my Ultracaps-system ?,
connected to LPS or SMPS, there is only some "tics" randomly)

Could one tell me; Is't there any led on the Digi One Signature to indicate 
it is powered one ?  (there is none on mine).

Is i normal, that the Pi3 B+ lights up like a christmastree with one bright green
and one bright red constant ?

I had looked forward to my "new" system, but think Il'l have to see, if it is 
possible to get in contact with Allo (have seen some people having problems)  Huh

I will keep you informed.

Thanks
Reply
#8
"Is i normal, that the Pi3 B+ lights up like a christmastree with one bright green
and one bright red constant ?"

The red led should remain on and steady...any flickering would indicate a power supply problem.
The green light should flicker in proportion to any read-write activity.... normally not much but occasionally such as updating a large song database it could be almost constantly lit.
Reply
#9
If this is new behavior, or you’ve only ever tried 5.2, then I would look into this post where Tim gives instructions to try different kernel versions to work around a different problem.

http://moodeaudio.org/forum/showthread.p...5#pid10605
Reply
#10
Generally, a solid green LED would suggest either constant I-O to the boot card which would not be normal, or possibly some sort of hardware issue.

There is probably some sort of LED error code document for the Pi's.
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