Asynchronous I2S FIFO project, an ultimate weapon to fight the jitter - Page 103

glt · 22nd September 2012, 01:57 AM

In that case, may I reserve one board? Thanks.
BTW, received the board with the updated firmware. Many thanks.

bigpandahk · 22nd September 2012, 03:04 AM

Ian

May I reserve one board? Any schedule for the i570 clock board?

iancanada · 22nd September 2012, 02:51 PM

Quote:

Originally Posted by glt

In that case, may I reserve one board? Thanks.
BTW, received the board with the updated firmware. Many thanks.

Quote:

Originally Posted by bigpandahk

Ian

May I reserve one board? Any schedule for the i570 clock board?

Thanks glt, Thanks bigpandahk. Will reserve for you.

Ian

MisterRogers · 22nd September 2012, 02:54 PM

Please reserve one for me too Ian - Thanks!

iancanada · 22nd September 2012, 02:58 PM

Another bug fixed. I placed a optional universal isolator at the empty space, but I forgot isolating the ground plates. The PCB design was revised for this issue. Now it becomes V1.5.

Ian

iancanada · 22nd September 2012, 03:43 PM

Quote:

Originally Posted by MisterRogers

Please reserve one for me too Ian - Thanks!

Thanks, I will.

Ian

glt · 22nd September 2012, 08:05 PM

Ian,

How are the isolators powered? Having independent supplies on FIFO and Clock board is easy as they both have independent power connectors. The FIFO board has a second power connector which can be used to power one side of the isolator board. Where would you tap the power from the clock board?

iancanada · 22nd September 2012, 10:23 PM

Quote:

Originally Posted by glt

Ian,

How are the isolators powered? Having independent supplies on FIFO and Clock board is easy as they both have independent power connectors. The FIFO board has a second power connector which can be used to power one side of the isolator board. Where would you tap the power from the clock board?

For application bridging the FIFO and the clock board, isolators will be powered by the FPC/FCC cables from both side. You don't need power the isolator with additional connectors, you just need power the FIFO and clock board with different PSU

.

Ian

Rosendorfer · 23rd September 2012, 06:28 AM

Hi Ian

Video-sound delay.... another request...

I know it have been mention before and have read the answer and know it is bit "against" FiFo idea....
But still will try to kindly ask for some solution/backdoor in that regard.....

Idea of building separate audio system just for video is not always possible, well some of us just do not have that much "space"....
And watching "good guys" playing out of bit is a pain or even a crime ...

Maybe it would be possible to have kind of "Video FiFo mode", with fixed minimal buffer length for at list 44/48 kHz. I mean hopefully that could be done as software/firmware mode.

Rosendorfer

bigpandahk · 23rd September 2012, 07:46 AM

Hi Ian

I tested the I2S backdoor today, it works perfect but the "Lock" LED doesn't light up, is this correct?

22nd September 2012, 01:57 AM	#1021
glt diyAudio Member Join Date: Oct 2004	In that case, may I reserve one board? Thanks. BTW, received the board with the updated firmware. Many thanks. __________________ www.hifiduino.wordpress.com

22nd September 2012, 08:05 PM	#1027
glt diyAudio Member Join Date: Oct 2004	Ian, How are the isolators powered? Having independent supplies on FIFO and Clock board is easy as they both have independent power connectors. The FIFO board has a second power connector which can be used to power one side of the isolator board. Where would you tap the power from the clock board? __________________ www.hifiduino.wordpress.com

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22nd September 2012, 03:04 AM	#1022
bigpandahk diyAudio Member Join Date: Jul 2009	Ian May I reserve one board? Any schedule for the i570 clock board?

22nd September 2012, 02:54 PM	#1024
MisterRogers Can you say Audio? diyAudio Member Join Date: Aug 2011 Location: Aliso Viejo, California	Please reserve one for me too Ian - Thanks!

23rd September 2012, 06:28 AM	#1029
Rosendorfer diyAudio Member Join Date: May 2009 Location: Kraków	Hi Ian Video-sound delay.... another request... I know it have been mention before and have read the answer and know it is bit "against" FiFo idea.... But still will try to kindly ask for some solution/backdoor in that regard..... Idea of building separate audio system just for video is not always possible, well some of us just do not have that much "space".... And watching "good guys" playing out of bit is a pain or even a crime ... Maybe it would be possible to have kind of "Video FiFo mode", with fixed minimal buffer length for at list 44/48 kHz. I mean hopefully that could be done as software/firmware mode. Rosendorfer

23rd September 2012, 07:46 AM	#1030
bigpandahk diyAudio Member Join Date: Jul 2009	Hi Ian I tested the I2S backdoor today, it works perfect but the "Lock" LED doesn't light up, is this correct?