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ippStsFIRLenErr
FIR filtering requires at least one coefficient. A zero or negative length means the impulse response is empty, so no meaningful convolution can be performed.
Check the path that computes tap count from user settings, sample rate, transition bandwidth or serialized coefficient data.
Check these details
- The coefficient count passed to the routine.
- Whether length is measured in samples, elements or bytes.
- Any truncation when converting from size_t to signed int.
Intel IPP Error Reporting · Intel IPP FIR · Intel IPP Signal Processing
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