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4 channel DIY digital interface.... with an Amazon Basics HDMI extractor????

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MCH

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Yes, ADI's Explore transceiver chip is used. It has not been tested on Linux-based PCs. The tested device types are roughly as follows: Windows-based PC hosts, Raspberry Pi 4, hard disk players, Blu-ray players, etc. , no abnormality occurred when switching channels
Have you posted pictures of the insides somewhere? I would be curious to see it.
I built something similar with 4 channels AES and 4 channels toslink but it is nothing close to a finished device like yours. I used the same EP chip as in the Amazon extractor and 4 wm8804 for the spdif outputs.
 
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MCH

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Would be cool to have the same using USB input and four SPDIF optical outs (like the RME Digiface but I guess much cheaper and maybe even better)
I am also waiting for someone to do something like that open to DIY. There is a new board in AliExpress that exposes multi i2s and TDM up to 16 channels, similar to the diyinhk , but isn't cheap...

 

yulun

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Would be cool to have the same using USB input and four SPDIF optical outs (like the RME Digiface but I guess much cheaper and maybe even better)
USB input, 4 groups of AES/EBU or 4 groups of SPDIF or 4 groups of optical fiber outputs, I have another one here

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MCH

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The interior photos have not been posted. If necessary, I will disassemble the box and take photos of the interior some other time.
No worries, no need to do it on purpose.
 

Kal Rubinson

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Would be cool to have the same using USB input and four SPDIF optical outs (like the RME Digiface but I guess much cheaper and maybe even better)
Why optical? The mini-DSP U-DIO8 will do AES/EBU or SPDIF (coax).
 
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MCH

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For sale, you can buy it directly through paypal, the unit price is 180$, or you can buy it through Taobao shopping website: https://shop140311301.taobao.com/?spm=pc_detail.27183998.202202.1.577c7dd6icGcHO
you have interesting products in your taobao shop that sometimes people in the forum search for, for instance your analog (balanced?) to spdif ADC or your Dante card. However there isn't much information there. I suggest you to discuss your products here at ASR, I am sure some people will be interested.
 

ppataki

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MCH

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Thank you for your suggestion. Taobao store does not provide much product information. Even this store is difficult to find.
and if you send something for @amirm to measure and it does well, i bet it can give you a very good push
 

ppataki

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For the time being, it is only available on Taobao. Registration on the AliExpress platform requires a non-mainland Chinese mobile phone number as an information verification client. I don’t have one here.
Just sent you a private message :)
 
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