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    Beautiful: Usb--8 I2S channels ...

    Beautiful: Usb--8 I2S channels


    http://www.diyaudio.com/forums/digital-line-level/183374-exau2i-multi-channel-asynchronous-usb-i2s-interface.html

    now the fun part


    so for the output...
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    Beautiful: Usb--8 I2S channels ...

    Beautiful: Usb--8 I2S channels


    http://www.diyaudio.com/forums/digital-line-level/183374-exau2i-multi-channel-asynchronous-usb-i2s-interface.html

    now the fun part
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    Ill let you know when I know exactly what parts I...

    Ill let you know when I know exactly what parts I am using. Should be getting a quote for the firmware program next week. Once the chips are programmed, we can move on to actually building it.
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    Yes

    Yes
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    Turns out that chip will not work. I decided to...

    Turns out that chip will not work. I decided to go with the usb hub-->tusb3200-->dac design scheme. Now the only obstacle is hiring a programmer to write the code for the tusb3200a. If anyone has...
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    Turns out that chip will not work. I decided to...

    Turns out that chip will not work. I decided to go with the usb hub-->tusb3200-->dac design scheme. Now the only obstacle is hiring a programmer to write the code for the tusb3200a. If anyone has...
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    As suggested by a member a few months ago, a usb...

    As suggested by a member a few months ago, a usb 2.0 hub with multiple transaction translators. This will allow for the transactions (stereo pairs to be separated by the host pc).
    I plan on hiring...
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    Update

    You are correct, the I2S version is only two channel!! Soooo, back to the drawing board, however, as previously envisioned in the audio over usb thread:
    Usb 2.0 hub->tusb3200->pcm1794->opamps
    ...
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    Good find on the I2S module svgs, but I think I...

    Good find on the I2S module svgs, but I think I found the solution:

    The cmedia CM6620, this will go directly from usb to 8 I2S outs, which will then go directly to four pcm1798 or 1794. I plan on...
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    Update

    So, I finally found a chip to do the job...The cmedia CM6620, this will go directly from usb to 8 I2S outs, which will then go directly to four pcm1798 or 1794. I plan on having interchangeable...
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    ---Update--- Emailed Cmedia to see if any of...

    ---Update---

    Emailed Cmedia to see if any of their chips have the ability to handle the usb to I2S phase, which would allow us to get rid of the usb hub and the pcm2707. Ill let you know what they...
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    Hey everybody, Sorry I havent updated in a...

    Hey everybody,

    Sorry I havent updated in a while, I now have some time to start back on this project. Turns out that Via does not want to help out, so back to the drawing board. CEntrance wants...
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    The driver will be preloaded on the chip...So you...

    The driver will be preloaded on the chip...So you will just need to plug it in and let it install itself...However the software used to do all the processing will use ASIO or ASIO4all.

    Project...
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    Im guessing around $500 USD...It really depends...

    Im guessing around $500 USD...It really depends on how much I can get the chips for. Once the firmware is completed (~1.5mo) I can give a better estimate....Im hoping to get some free samples of the...
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    Yes a great deal of progress is being made...It...

    Yes a great deal of progress is being made...It will be at least two months before the project is completed because a custom firmware has to be written for the device to operate in asynchronous mode....
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    I was not aware of the envy chip...It is exactly...

    I was not aware of the envy chip...It is exactly what we need...I2S is the native dac interface so that is what ill use...The chip actually supports 8 channels of I2S. I just need to make sure that...
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    I know its been a while, but if anyone is...

    I know its been a while, but if anyone is interested there are a couple issues preventing this from happening..Not impossible, just more difficult than expected.

    For multiple channels @ 24/ 96,...
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    Attached are the data sheet for the chip and...

    Attached are the data sheet for the chip and another pdf about design applications and testing tools.

    Thanks

    Edit...After doing some research I have come to a starting point:

    Use one PCM2707...
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    Hey everyone, sorry about not being on in a...

    Hey everyone, sorry about not being on in a while...I have been really busy with school and other issues, but I have made time to finally start working on this seriously and with a little help from...
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    ya...i plan on using as good if not better...

    ya...i plan on using as good if not better components than the bloat...I prob wont take as much profit to make it as affordable as possible for everyone....once i build it on the computer and get it...
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    I hate pointless posts...

    I hate pointless posts...
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    I plan on using 8 dacs and 16 mono op amps...the...

    I plan on using 8 dacs and 16 mono op amps...the pcm1798 has a left and right per chip so for 8 channels you would need 8...mono is correct for pure sq regarding the op amps...I should get everything...
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    8 Channel USB DAC

    Hey everyone, I remember about a year ago a big thread going on about multi-channel DACs. A couple of us audiophiles would like a 8 Channel USB DAC with at least 6.0V pre outs...The purpose would be...
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    Dac

    I was going to use the PCM1798, which is a 24 bit 192kHz DAC by burr brown...Im probably going to use the OPA 2107 op amps...I think it is compatible with ASIO and virtual cable...That was a concern...
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    8 Channel Usb DAC

    Hey everyone, I remember about a year ago a big thread going on about multi-channel DACs. A couple of us audiophiles would like a 8 Channel USB DAC with at least 6.0V pre outs...The purpose would be...
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