JohnSwenson wrote: 
> You might want to forget about the 1706 and feed the 1704s direct from
> the I2S (with a splitter of course) and let the software do the
> upsampling. Not only will it sound better but you don't have to program
> the DF1706.

Thanks for an explanation. 
If a system with two PCM1704 without the filter sounds better I’m not
going to apply DF1706 filter.
On the site 'http://www.pavouk.org'
(http://www.pavouk.org/hw/modulardac/en_pcm1704.html) I  found an
example of application 2xPCM1704 without DF1706. Author used five
74HCT164: the first one as 7 bit data delay and the next four as 32 bits
left channel buffer. 

15536

Do you think it could be a good solution for replacing DF1706?
Thanks, 
Bern


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