SPL Measurement Experiments
This article will describe some experiments with measuring SPL from test signals played into our microphone through a headphone. This …
This article will describe some experiments with measuring SPL from test signals played into our microphone through a headphone. This …
This post continues experimenting with recording audio converted from PDM to PCM in an LPC812 CPU. The last installment passed …
This post continues experimenting with the PDM conversion to PCM samples in an LPC812 CPU. From the earlier tests we …
Since porting the PDM microphone SPL measurement code base from the ATTiny85 to the ARM based LPC8xx family, it would …
While researching another post recently, I tripped over an impressively small RTOS (real time operating system) that can be built …
This post demonstrates the SPL meter described earlier running in an NXP LPC810 ARM CORTEX-M0+ microprocessor. The computed SPL level …
This post explores interfacing a PDM microphone with an NXP LPC810 ARM CORTEX-M0 microprocessor, taking advantage of its existing peripherals …