Comments (2)
@Silfurion Hello,
Do you have a reproducer ? The filter coefficients and an input signal would be helpful.
You compared the scalar version and Neon version to detect the issue ?
I have tests with more than 3 stages and none is showing any issue.
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Hello,
I was able to solve the problem. I had forgotten to use the function arm_biquad_cascade_df2T_compute_coefs_f32 (present in the file arm_biquad_cascade_df2T_init_f32.c) before initializing the biquad. I had trouble finding this function in the documentation.
I apologize for the inconvenience and wish you a good day.
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Related Issues (20)
- CMSIS CRL Cortex M returns wrong outputs for higher float values in arm_float_to_q31.c which is under CMSIS-DSP-Source-SupportFunctions directory HOT 1
- Include/arm_math_types_f16.h: undefined __ARM_FEATURE_MVE HOT 1
- QR Decomposition works not fine HOT 2
- how to use arm_biquad_cascade_df1_q15() with a high order iir filter HOT 1
- is this lib thread safe? HOT 1
- Issues with log implementation for Neon HOT 3
- Can not find Motor controller function HOT 1
- CMSIS-DSP for Arm® Cortex®-A53 HOT 1
- Missing implementation for arm_fir_decimate_f64 HOT 1
- Element-wise division HOT 2
- Value range of arm_atan2_* HOT 3
- Implementation `*.c-files` not being copied correctly in STM32CubeMX - missing from .pdsc? HOT 7
- GCC compiler warning in arm_divide_q15() HOT 1
- GCC compiler errors with pendantic flag enabled HOT 4
- Not being able to keep tables out of compilation HOT 4
- arm_sqrt_q31 return value for input value 0 HOT 3
- CppCheck giving warning for arm_divide_q31 because of CWE 758 violation HOT 2
- ARMCM0.h not found HOT 1
- Redirect to DSP hardware HOT 1
- QR Decomposition seems to coverge very quickly. How to adjust parameters. HOT 2
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