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My DAC for the Raspberry Pi
My DAC for the Raspberry Pi
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Old 21st October 2013, 01:58 PM   #11
nuryev is offline nuryev  Australia
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Put me down for the second evaluation board please.
Thanks
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Old 21st October 2013, 02:11 PM   #12
rkondra is offline rkondra  United States
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Looks good. I will buy one immediately when available.
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Old 21st October 2013, 02:16 PM   #13
scopeboy is offline scopeboy  Scotland
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This is a great piece of work! :-) Of course the really hard part was getting a working ALSA driver for the Pi's onboard I2S.

There have been a few fixes for the USB issues and RaspyFi incorporates them. If you had trouble running a USB soundcard before, then give it a go, you may be pleasantly surprised.
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Old 21st October 2013, 02:22 PM   #14
usul27 is offline usul27  Switzerland
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Quote:
Originally Posted by scopeboy View Post
Of course the really hard part was getting a working ALSA driver for the Pi's onboard I2S.
You're totally right. And I want to thank all people that worked on it!
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Old 21st October 2013, 02:47 PM   #15
Ryssen is offline Ryssen  Sweden
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Interesting.
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Old 21st October 2013, 03:24 PM   #16
nuryev is offline nuryev  Australia
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Put me down for the second evaluation board please
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Old 22nd October 2013, 05:32 PM   #17
usul27 is offline usul27  Switzerland
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Thanks for the interest. I will inform you, when I have the new version ready.

I did some THD+N measurements today. They look really good. THD+N is <0.004% over the whole audible frequency range. Distortions fall nicely with the order, no high-order distortion peaks:

Click the image to open in full size.
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Old 23rd October 2013, 08:41 AM   #18
MrHamp is offline MrHamp
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Very nice. This is exactly what I was looking for.
I will most surely order some!

Cheers
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Old 23rd October 2013, 07:58 PM   #19
usul27 is offline usul27  Switzerland
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There are some people interested in this DAC. I want to get a rough idea how many would buy one. If you are seriously interested in buying one, drop me a message with your email. I will then inform you, when the DAC is available.
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Old 24th October 2013, 12:00 PM   #20
usul27 is offline usul27  Switzerland
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I got some requests from people who like to use a 3.5mm phone jack instead of the RCA connectors. I will try to incorporate both, then everyone can choose if he want to solder RCA connectors or a phone jack.
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