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Re[4]: LF: Is this frequency locking enough for EbNaut?

To: Andy Talbot <[email protected]>
Subject: Re[4]: LF: Is this frequency locking enough for EbNaut?
From: Chris Wilson <[email protected]>
Date: Mon, 7 Dec 2015 11:29:51 +0000
In-reply-to: <CAA8k23Tdm1UCu0tye08FRPp6VJENQLe2sMCsWV7+Y=9cBW9tFg@mail.gmail.com>
Organization: Gatesgarth Developments
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Hello Andy,

Sunday, December 6, 2015


So  how  would  I test for these "slippages" or even recognize if they
were occurring  Andy?


What  sound cards are you EbNauters using that might have good Win7 64
bit drivers??

Thanks.


> Be careful, it 'may' be OK, but I have heard that slippages can occurt.
> Due to difference in sample rates between the USB itself and 12MHz
> clock of the chip,  when using USB isochronos mode (used for time
> dependent data like audio), it can slip occasional samples as the
> clocks slide past each other.

> I have used that chip, or at least a close relation,  but never in a
> synchronous manner - so it may be worth testing see if slippages do
> occur.

> Andy  G4JNT









-- 
Best regards,
 Chris  2E0ILY                          mailto:[email protected]


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