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fftbinninglpc
Reebin Jose
Reebin Jose

Reputation: 11

FFT Binning Application using ARM CMSIS DSP Library on LPCXpresso860-MAX

I am working on a project using the LPCXpresso860-MAX board, and I need to implement FFT binning using the ARM CMSIS DSP library.

Could you provide guidance on the following:

  1. How to use CMSIS DSP functions (arm_rfft_fast_f32, arm_cfft_f32) to compute FFT on my input data.
  2. How to extract and sum the FFT output values to form specific frequency bins (e.g., dividing the spectrum into N bins, summing the magnitude of specific frequency ranges).
  3. Configuration of buffer sizes, windowing functions (Hanning, Hamming), and scaling.
  4. Any specific considerations for integrating the CMSIS DSP library with the LPCXpresso860-MAX.

I would appreciate any example code or project setup guidance for implementing this on the LPCXpresso860-MAX platform.

Upvotes: 0

Views: 26

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