FM Broadcasting

Right now I use the Culiux soundcard. I don't know what model that is exactly

When I bought CZE-T251, I noticed that this transmitter cutting audio spectrum after 15kHz.
After I open it I found that it contains BH1415F chip

https://i.postimg.cc/WFmYFr6H/20250728-211637.jpg

This chip has integrated filter that cut everything after 15kHz, and I decided to turn off this ...

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