Audio Interface MTP Device

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Hello everybody!

We are currently developing loudspeakers for cars and totally new tho the teensy world. We branch off the audio signal from a cell phone, process it in our system and want to send it back to the car after it has been processed. The whole thing should happen via the USB interface of the car radio. However, since this only communicates directly with the connected device via the MTP (Media Transfer Protocol) and plays audio from the device, we are faced with the problem that our device works as a sound card but does not transmit MTP and is therefore not recognized as a "valid device" becomes.

The idea would be this:
Can we send the processed audio signal from the output of our sound card via USB to a Teensy, which "converts" the signal to MTP? And then into the car via a USB port. Would this be possible? We need 48 kHz 24 Bit Audio Streaming.

I hope you can help me and look forward to an answer from you!

Daniel
 
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