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Implementation of Audio Filtering on STM32 Using CMSIS DSP Filter
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**MKEL1123 2020-2021-2 Advanced Microprocessor System Project**
* This video shows the implementation of audio filtering on STM32F4 using CMSIS-DSP Filter*
Filter Specification:
* sampling frequency: 48000 Hz
* 0 Hz - 2000 Hz
gain = 1
desired ripple = 5 dB
actual ripple = 3.284632065621469 dB
* 5000 Hz - 24000 Hz
gain = 0
desired attenuation = -30 dB
actual attenuation = -32.02295267957132 dB
* This video shows the implementation of audio filtering on STM32F4 using CMSIS-DSP Filter*
Filter Specification:
* sampling frequency: 48000 Hz
* 0 Hz - 2000 Hz
gain = 1
desired ripple = 5 dB
actual ripple = 3.284632065621469 dB
* 5000 Hz - 24000 Hz
gain = 0
desired attenuation = -30 dB
actual attenuation = -32.02295267957132 dB
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