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ippStsFBankFreqErr
Filter-bank routines divide a signal into subbands. Their frequency parameters must be ordered and normalized according to the bank construction used by the routine.
A frequency error points to bank setup rather than a single bad input frame. Rebuild or inspect the bank specification before processing more samples.
Check these details for ippStsFBankFreqErr
- Lower and upper subband frequency limits.
- Sampling rate and normalization convention.
- The number of filters expected by the bank.
For ippStsFBankFreqErr, Intel IPP Error Reporting · Intel IPP Signal Processing
Interpreting ippStsFBankFreqErr
ippStsFBankFreqErr is Intel IPP status -71. AllStat describes it as “Incorrect value for the filter bank frequency parameter.”. For ippStsFBankFreqErr, the decisive context is the exact IPP routine and overload, because status names are shared across image, signal, codec, cryptography, and data-compression domains with different parameter contracts.
Developer checks for ippStsFBankFreqErr
- Record the full function name, library version and CPU dispatch, source and destination types, ROI or vector length, step values, scale factor, and every state/specification object passed to the call.
- Validate the ippstsfbankfreqerr parameter group before changing buffers: initialization routines often establish constraints inherited by later processing calls.
- For ippStsFBankFreqErr, use ippGetStatusString for logging but branch on the numeric IppStatus value; localized or wrapper text is not a stable program contract.
Retrying ippStsFBankFreqErr with unchanged arguments normally reproduces the same validation failure. For ippStsFBankFreqErr, rebuild the affected IPP state when configuration changed, verify buffer bounds and alignment, and isolate the smallest call that still returns the status.
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