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-   -   TPA - USB Transport (http://www.diyaudio.com/forums/twisted-pear/173093-tpa-usb-transport.html)

Spirit02 5th September 2010 11:59 AM

TPA - USB Transport
 
Hi Russ/Brian,

Just a few quick questions, if I may.

What are the expected dimensions of the module?

What power supply requirements will it have?

Will it utilise the new faster optocouplers allowing 24/192 with galvanic isolation?

Cheers,
Phil

sureshm 25th October 2010 02:11 AM

Hey Russ, just wondering how you going with XMOS module?


Quote:

Originally Posted by Russ White (Post 2186996)
I am working on it right now. :)

I am implementing an XMOS based solution. Stay tuned.

I am guessing first prototypes are 6-8 weeks off. Just depends on other time demands.

Cheers!
Russ


Russ White 25th October 2010 12:27 PM

Quote:

Originally Posted by sureshm (Post 2342852)
Hey Russ, just wondering how you going with XMOS module?

Funny you should ask. very well actually.

Yesterday I was hacking up a prototype based on some stuff XMOS sent me to play with. I am able to get it working, but It still needs some attention.

I am going to be focusing on that module very hard over the next few weeks.

Cheers!
Russ

regiregi22 25th October 2010 12:33 PM

Great news then :D

sureshm 25th October 2010 08:31 PM

That is great Russ! Eagerly waiting to try it out :)

Keep us updated ...

steve jones 25th October 2010 08:41 PM

:wave2: Beta Tester here!

Spartacus 25th October 2010 08:42 PM

Quote:

Originally Posted by Russ White (Post 2343206)
Funny you should ask. very well actually.

Yesterday I was hacking up a prototype based on some stuff XMOS sent me to play with. I am able to get it working, but It still needs some attention.

I am going to be focusing on that module very hard over the next few weeks.

Cheers!
Russ

You writing your own drivers? I looked at that while ago with the XMOS, but figured it would swallow a big chunk of my life, so bought a Hiface instead!

Russ White 26th October 2010 10:46 AM

Quote:

Originally Posted by Spartacus (Post 2343618)
You writing your own drivers? I looked at that while ago with the XMOS, but figured it would swallow a big chunk of my life, so bought a Hiface instead!

No, not writing my own. Using the stock drivers on my macbook pro right now.

I have also used the driver XMOS provides for windows. Both work just fine.

To get higher than 192khz via USB audio I will likely need to do some customization of the driver.

For now I have played signals up to 384khz directly from USB storage. But, I have not perfected this yet.

My hope is to be able to make the board work both as a host controller with USB storage and as a USB audio device. We shall see...

Nikola Krivorov 26th October 2010 11:37 AM

Quote:

Originally Posted by Russ White (Post 2344156)
No, not writing my own. Using the stock drivers on my macbook pro right now.

I have also used the driver XMOS provides for windows. Both work just fine.

To get higher than 192khz via USB audio I will likely need to do some customization of the driver.

For now I have played signals up to 384khz directly from USB storage. But, I have not perfected this yet.

My hope is to be able to make the board work both as a host controller with USB storage and as a USB audio device. We shall see...


I guess the USB/SPDIF(I2S?) board might be even a bigger success than the Buffalo II, so you'd better be prepared for that, I hope I won't need to stay awake all night again. ;)

Please Russ, show it the kids...

labjr 27th October 2010 02:56 PM

Quote:

Originally Posted by Nikola Krivorov (Post 2344199)
I guess the USB/SPDIF(I2S?) board might be even a bigger success than the Buffalo II, so you'd better be prepared for that, I hope I won't need to stay awake all night again. ;)

Please Russ, show it the kids...

Who said anything about S/PDIF? I thought the module was for the Buffalo DAC.


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