Alfa Romeo Forum - View Single Post - Integrating original Mic into new HU - Investigation & Implementation
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(Post Link) post #3 of Old 1 Week Ago
kid1988
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AO Member
 
Join Date: Jul 2017
Location: In my Alfa
County: Overijssel, Netherlands
Posts: 113
The CAN bus is nowhere near fast enough to put bitstream audio through. Also it would be a waste of bandwith and audio quality to even try.

I am very curious where the signal gets translated from analog to "digital". If there is just an analog signal arriving at the B&M unit, it shouldn't be an issue to re-route it.
You would however also need to measure the impedance of the microphone and see if your new headunit has the appropriate amplifier.

Maybe some B&M pinouts will help.
Did you check E-Learn for wiring info on the B&M and/or radio nav routing?
I can check when I'm home tonight. Sounds like an interesting undertaking and I think it can be done!
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