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0 votes
2 answers
589 views

Wiring for stereo mic using MAX9814

My goal is to test some algorithms for sound localization, so I connected two microphones (MAX9814 boards from adafruit) to my soundcard. In the future I want to use four channels. I wired them like ...
0 votes
1 answer
1k views

Audio mixing : crosstalk calculation

Here is an interesting article about mixing stereo. Most important issues when mixing stereo are : interaction between channel crosstalk noise Interaction between channel is explained here in 1.0 ...
2 votes
3 answers
898 views

Audio Transformer Orientation on PCB

I am working on a project using two audio transformers for two separate circuits mounted very close to each other on a pcb as shown in the image. With the transformers as mounted, there is a bit of ...
3 votes
1 answer
4k views

Headset input crosstalk, or how to mitigate the effects of common ground resistance

I am building a cable to connect a guitar (or a piezo) and headphones to the TRRS connector of a smartphone through 4-wires cable splitting at ~1 mt from the connector. I am experiencing a ...