Acoustic EC Software Library
Profiling has been done in order to evaluate the resource consumption in terms of MIPS. RAM and FLASH figures may change depending on specific use case optimizations. The following figure shows the profiling results for acoustic echo cancellation using a STM32F446 MCU based on an ARM M4 core with floating point unit running at 168 MHz (210 DMIPS available) and the IAR embedded workbench tool chain, version 7.70. Optimization has been set on High, speed.
Memory footprint depends on the length of the filter tail. Data has been collected using a filter tail length equal to 128 and 512.
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