Abstract: Low power audio signals are amplified using a power amplifier before feeding to the loudspeaker for efficient reproduction of audio sounds. High frequency class-D amplifier is a preferred ...
Convert microphone I2S data into real-time A-weighted Sound Pressure Level (SPL) measurements, on a STM32 Arm microcontroller. This project provides source files for implementing I2S to SPL conversion ...
In 2008, Chicago's budget was in a bad place. The city needed money. One way to raise money was to increase property taxes, but what politician wants to do that? So instead, Mayor Richard M. Daley's ...
Installing a smart meter could help you pay less for your energy, but not everyone is convinced by the technology. While gas and electricity prices today are far below their peak during the 2022 ...
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