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85.19.92.6
In Reply to: RE: Intona USB 2.0 Hi-Speed Isolator - with another DAC posted by AbeCollins on April 19, 2016 at 15:49:52
Hi !
thank you very much indeed for the very interesting testing.
This tells me that at Ayre they know how to design and build usb dacs for sure.
This sort of "undependency" from the source upstream is what a very good usb dac or usb DDC should provide.
I still think that complete galvanic isolation is a big part of the game.
I am extremely ignorant in electronics but i would like a dac like thisXMOS receiver > FIFO memory > reclocking dac converter
in this way the dac can retrieve the bits stored in the FIFO memory with high clock precision eliminating all the incoming jitter.
The only jitter would be the one generated at the dac stage.
The FIFO memory could be a nice and very fast 8-16GB RAM for instance.
Sorry for the ramblings.
Thank you very much again for the very valuable information.
Have a nice day.
Kind regards,
bg
Edits: 04/19/16 04/19/16 04/19/16 04/19/16 04/19/16Follow Ups:
DIYERs have been doing this for years. Iancanada over at diyAudio.com has been designing and selling asynchronous I2S FIFO with galvanic isolation and low jitter clock boards for years, all at very reasonable prices because it is a hobby for him. His day job is designing high tech digital equipment for medical use, I believe. There are many XMOS to I2S boards available too.
My digital setup makes full use of his designs.
those in CA and DIYAudio
Hi and thanks for the interesting information.
I like AES/EBU connection between source and dac.
I read that they are good for long distance.
This means that they will be just excellent for shorter distance.
I will have a look but i am a dog at DIY.
I am scared only by the idea.
Anyway i will look for sure. I just do not understand why commercial units do not work like this. Today memories cost quite nothing.
Maybe even cheap eMMC are perfectly ok as fifo memories.
Thanks a lot again.
Kind regards,
bg
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