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authorMartin Stensgård <mastensg@mastensg.net>2025-04-18 16:28:55 +0200
committerMartin Stensgård <mastensg@mastensg.net>2025-04-18 16:28:55 +0200
commit2d4977f2529a59a7c7be78af1d991179a3b59396 (patch)
treecfec12da7d9008a9c7a236f56854b0bc75a19629
parent01285386c9e5f7524169b4550ad2fa8c78936128 (diff)
README: reference ericgineer's cic filter in verilog
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References
Adafruit PDM Microphone Breakout
https://learn.adafruit.com/adafruit-pdm-microphone-breakout/
+ CIC filter in Verilog
+ https://github.com/ericgineer/CIC/blob/master/CIC.v
Pulse Density Modulation
https://curiouser.cheshireeng.com/2015/01/21/pdm-in-attiny85-source-code/
https://en.wikipedia.org/wiki/Pulse-code_modulation