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ippStsIncorrectLSPErr
Line spectral pairs represent LPC filter information in a form useful for quantization and stability checking. The values must satisfy ordering and range constraints within the expected frequency interval.
This status usually points to an unstable LPC-to-LSP conversion, corrupted quantized LSPs or codec state mismatch between encoder and decoder.
Check these details
- LSP ordering and separation constraints.
- Expected interval from zero to pi radians.
- Whether quantized LSP data matches the active codec mode.
Intel IPP Error Reporting · Intel IPP Signal Processing Reference · ITU-T G.729 speech coding
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