Lossless SD digital Player is computer audio now reborn?

Anything to do with computer audio, hardware, software etc.
wushuliu
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Re: Lossless SD digital Player is computer audio now reborn?

Post by wushuliu »

nige2000 wrote:
wushuliu wrote:getting caught up on the clocks vs. crystal. But where did you get this green pad for your clock nige?
The green boards are xo adapter boards from Ian's fifo reclock GB on diya
This clock just so happened to be on one of them from another project
And I just dropped it in
Usually solder them on direct now

https://www.digikey.ie/product-detail/e ... ND/3719808

Is what I used
Got it Will order some.

I can ignore the OE for this clock though, correct? Only need to connect Vdd, clock output, and gnd?
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nige2000
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Re: Lossless SD digital Player is computer audio now reborn?

Post by nige2000 »

yea i think oe was not connected
sd card player, modded soekris dac, class a lifepo4 amp or gb class a/b amp, diy open baffle speakers based on project audio mundorf trio 10's
wushuliu
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Re: Lossless SD digital Player is computer audio now reborn?

Post by wushuliu »

Got the flipflop up and working...
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Re: Lossless SD digital Player is computer audio now reborn?

Post by nige2000 »

are you using lifep04 power yet?
if not, it is quite likely that some on board bypass film caps and possibly some of those os-con type caps could benefit
just seem to get away without them using the lifepo4 cells

with the reclocker theres two options for reclocking in your situation
either using the sdcard mck out or the soekris fpga mck out
sd card player, modded soekris dac, class a lifepo4 amp or gb class a/b amp, diy open baffle speakers based on project audio mundorf trio 10's
wushuliu
Posts: 180
Joined: Tue Oct 22, 2013 2:24 am

Re: Lossless SD digital Player is computer audio now reborn?

Post by wushuliu »

nige2000 wrote:are you using lifep04 power yet?
if not, it is quite likely that some on board bypass film caps and possibly some of those os-con type caps could benefit
just seem to get away without them using the lifepo4 cells

with the reclocker theres two options for reclocking in your situation
either using the sdcard mck out or the soekris fpga mck out
Saving lifepo mod for last. Got some battery holders on the way to make hookup easier. Any pros and cons of using sd vs soekris mck out?

Might try to swap xpresso 22/24 clocks for tiny ndk nz2520sd clocks I got from diyinhk.
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Re: Lossless SD digital Player is computer audio now reborn?

Post by nige2000 »

wushuliu wrote:
nige2000 wrote:are you using lifep04 power yet?
if not, it is quite likely that some on board bypass film caps and possibly some of those os-con type caps could benefit
just seem to get away without them using the lifepo4 cells

with the reclocker theres two options for reclocking in your situation
either using the sdcard mck out or the soekris fpga mck out
Any pros and cons of using sd vs soekris mck out?
as its real easy to try
try both..

i consider both mck's to be flawed
and were probably in the domain of the lesser evil

if you take the sd clocks look at the distance between the audio frequency clocks and the ff reclock its a very long distance for a mck
also i tend to like to reclock with ff to the destination mck and i really wish it was a fixed clock solution as i think there better (thats why i put a fixed clock on my sd build)
sd card player, modded soekris dac, class a lifepo4 amp or gb class a/b amp, diy open baffle speakers based on project audio mundorf trio 10's
wushuliu
Posts: 180
Joined: Tue Oct 22, 2013 2:24 am

Re: Lossless SD digital Player is computer audio now reborn?

Post by wushuliu »

nige2000 wrote:
wushuliu wrote:
nige2000 wrote:are you using lifep04 power yet?
if not, it is quite likely that some on board bypass film caps and possibly some of those os-con type caps could benefit
just seem to get away without them using the lifepo4 cells

with the reclocker theres two options for reclocking in your situation
either using the sdcard mck out or the soekris fpga mck out
Any pros and cons of using sd vs soekris mck out?
as its real easy to try
try both..

i consider both mck's to be flawed
and were probably in the domain of the lesser evil

if you take the sd clocks look at the distance between the audio frequency clocks and the ff reclock its a very long distance for a mck
also i tend to like to reclock with ff to the destination mck and i really wish it was a fixed clock solution as i think there better (thats why i put a fixed clock on my sd build)
got it.

btw. this look okay for the 32khz wiring? ive got clk output soldered and about to do the rest...
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wushuliu
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Re: Lossless SD digital Player is computer audio now reborn?

Post by wushuliu »

32khz
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Re: Lossless SD digital Player is computer audio now reborn?

Post by nige2000 »

Sometings not right there
vcc is diagionally opposite gnd and clk output diagonally opposite pin1 OE
sd card player, modded soekris dac, class a lifepo4 amp or gb class a/b amp, diy open baffle speakers based on project audio mundorf trio 10's
wushuliu
Posts: 180
Joined: Tue Oct 22, 2013 2:24 am

Re: Lossless SD digital Player is computer audio now reborn?

Post by wushuliu »

nige2000 wrote:Sometings not right there
vcc is diagionally opposite gnd and clk output diagonally opposite pin1 OE
yeah i drew that wrong. vdd is opp gnd. my main concern was wether clk output was correct...
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