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Possum  
#1 Posted : Sunday, September 8, 2013 3:19:56 AM(UTC)
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Buff III was locked onto a MiniDSP USB interface but now has lost lock. Lock light flashed regularly. What does this mean anyone?
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avr300  
#2 Posted : Sunday, September 8, 2013 7:51:06 AM(UTC)
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That it tries to lock, getting locked and quits again - I guess.

Try another source if you have one.
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Brian Donegan  
#3 Posted : Sunday, September 8, 2013 12:50:22 PM(UTC)
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Is this I2S or S/PDIF?
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Possum  
#4 Posted : Monday, September 9, 2013 9:17:13 PM(UTC)
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I2S
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Brian Donegan  
#5 Posted : Tuesday, September 10, 2013 2:55:47 PM(UTC)
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I have seen this in a few scenarios:

Bad solder joint to one of the 3.3V Tridents
A loose I2S wire, or bad solder joint
I2S Wiring (long wires or noise injected from I2S lines into a crossing power supply line).
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Possum  
#6 Posted : Sunday, April 27, 2014 2:31:39 AM(UTC)
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Thanks for your suggestions Brian, but none of these are issues as far as I can see. I have shortened the I2S wires as much as physically possible - made no difference. The lock dropouts increase with sample rate increase BTW.

I had a similar issue with the USB ministreamer that could also not be resolved (it would randomly lose lock). I tried multiple ministreamers, all with the same issue. Eventually I swapped it for a DIYinHK USB receiver which worked flawlessly.

Perhaps I am flogging a dead horse here and there is some fundamental incompatibility. Are there any known multichannel/surround sound USB devices that are known to work with the Buffalo?
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