StuartIanNaylor

The port being used Pi 4 | USB-C 'Power' port not USB 2.0 https://www.hardill.me.uk/wordpress/2019/11/02/pi4-usb-c-gadget/ dwc2 sets a 'lower power' gadget mode. So presumably its also being connected to usb 3.0,...

@htruong there is your i2s mic repo https://github.com/opencardev/snd-i2s_rpi Maybe https://invensense.tdk.com/wp-content/uploads/2015/02/Microphone-Array-Beamforming.pdf might interest you. You can create an endfire beamformer by just delaying by 2 samples and adding the inverse of...

Its sort of important to record sound as part of the process than as a separate file to be latency adjusted and lip synced after. If the Pi4 ever comes...

Never thought of it as a composite driver as 1.1.x and 1.3.x provide support for MJPEG and H264 video formats as well so you gain compression as well. I am...

Its far from ideal as any extended ports are going to be essentially a bass tube. What you can do is mount 2x I2s mics direct to gpio as adafruit...

> I have done this here: https://github.com/CaydenPierce/MSA > > Modifying the system to support multiple microphones at once with a master PIO state machine for data and clock and slave...

The 6 mic is a nightmare as seems totally random and currently not much good for the DelaySum/TDOA beamformer I have hacked together. https://github.com/StuartIanNaylor/ProjectEars Its my 1st C++ project starting...

https://github.com/respeaker/seeed-voicecard/issues/251#issuecomment-728522330 You have stated the ac108 is @eol would the http://www.everest-semi.com/pdf/ES7210%20PB.pdf be an alternative?

Only thing I can say is make sure you buy with paypal and at least then you can get a refund as yeah completely unusable if you have a random...

I ordered via paypal and got a refund as seemed a better idea.