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Old Today, 06:56 AM   #91
ishizeno is online now ishizeno
diyAudio Member
Join Date: Mar 2015
Originally Posted by 5th element View Post
I just looked at the google document for this. I thought this was going to be an 8 channel out 8 channel in thing, but it looks like that's only 1/8th of it and that the final product will be 64x in and out?
Yes indeed, the project has evolved quite a bit. The main goal is to develop a modular platform for sound synthesis, recording, processing, mastering, and rendering. This is crazy ambitious, but the core components that we have to develop are actually much simpler than originally anticipated. By using this modular OTO architecture, the main audio components that we have to create are:

- A single-channel mono audio ADC based on the AK5578EN
- A single-channel mono audio DAC based on the AK4499EQ

Each of these two components will have:

- one PCB for the ADC or DAC chip and a small XMOS chip (70mm 70mm)
- one PCB for the XLR connector and its buffer (70mm 35mm)
- one PCB for the power supply (70mm 35mm)

The first version of the DAC might be based on the AK4497 if we cannot get access to the AK4499EQ chip.

This will allow us to create 1 x 1 OTO "reference" bricks that have either two mono audio inputs or two mono audio outputs. From there, we will create the 4-input and 4-output bricks shown on the reference setup by simply cramming more PCBs within (possibly taller) bricks.
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