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USB to I2S 384Khz - DSD Converter

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M

miksi

Member
Joined 2003
DSD playing

I use quite standard combination of buffalo iii dac with Amanero and WaveIO USB receivers, Ivy III, placid HD supplies, Otto II, arduino controller ... The problem I have is when playing DSD, then at the Ivy III outputs appears DC, on the left channel -1.4V and right -0.7 V. With I2S (PCM) there is no problems. The display shows the correct sampling frequency. I've checked the DC voltages and everything is fine, although I do not have an oscilloscope to see what is really going on. Oh, yes, I have the DSD sound, but is somehow clicking and crackling...
 
S

smanz

Member
Joined 2008
miksi said:
I use quite standard combination of buffalo iii dac with Amanero and WaveIO USB receivers, Ivy III, placid HD supplies, Otto II, arduino controller ... The problem I have is when playing DSD, then at the Ivy III outputs appears DC, on the left channel -1.4V and right -0.7 V. With I2S (PCM) there is no problems. The display shows the correct sampling frequency. I've checked the DC voltages and everything is fine, although I do not have an oscilloscope to see what is really going on. Oh, yes, I have the DSD sound, but is somehow clicking and crackling...
Click to expand...

Can you play 352/384kHz. files wihtout issues?

Regards.
 
I

icyjellybean

Member
Joined 2013
Received board, thank you :)

Wondering if any other users encountered issues on Windows 8? My converter/Buffalo combo worked fine (splendid in fact) on my friend's Windows 7 PC, but all it created was a loud buzzzz when connected to my Windows 8 PC. Oh well. Is there any way around it, or should I just roll back to 7?
 
G

glt

Member
Joined 2004
diyaudio.com/forums/showthread.php?s=&threadid=140669
M

miksi

Member
Joined 2003
smanz said:
Can you play 352/384kHz. files wihtout issues?

Regards.
Click to expand...

Yes and yes. I don't really have 352 and 384KHz files except couple from the 2L edition. Tiny droputs was present on first 2-3 seconds but I think it's because of the upsampler from foobar.
Anyway, with DSD files, DC output desappeared the moment I've changed quantization from 6bT to something else (with little pop from the loudspeaker) , but strangely, didn't reappear when I set it to 6bT back again,though clicking remained.

Bunpei said:
However in general, we need to set "S/PDIF auto-detect" as "Bypass" by setting "SW2-5 ON" when we play DSD on ES9018. Have you tried this?
Click to expand...

I have to put the TPA firmware chip back to try this with DSD. Jumper was already set to ON when I used WaveIO, but then I start using Arduino and removed the chip.

Regards
 
ghiglie

ghiglie

Member
Joined 2013
misterGI said:
hello everybody,
I've heard about this group buy and I'd like to know if it is still open. As far as understand one group has been closed few days ago, so a new one has just started? Which is the number of required people?
Thank you very much!
Click to expand...

Ciao misterGI,
as far as I can see here: https://docs.google.com/spreadsheet/ccc?key=0AmX4TyHWgSmNdE5laDJQNlA3UVBYaWlrczJwYS1EcXc#gid=0

... I can see the GB5 is still opened. I'm thinking about gettin in this too, maybe we can combine the order.
 
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