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# Warning Messages

Depending on the speaker ID task, HPE IDOL Speech Server can return the following warnings.

Task | Warning message | Recommended action
--- | --- | ---
`SpkIdTrain`, `SpkIdTrainWav`, `SpkIdTrainStream` | Can only share base component variance if UBM is set | Set the base model to use, or switch off component sharing.
Can only share base component means if UBM is set | Set the base model to use, or switch off component sharing.
Problem opening audio feature file | Check that all the feature files listed in the `DataList` file exist, and are non-empty.
Could not read feature file header – invalid format? | Ensure that all input feature files are in the correct format (that is, generated by using the `SpkIdFeature` task).
Feature frame inconsistency detected with file | Ensure that all input feature files being used to train the templates were trained with the same configuration (for example, that `nFeatures` was the same in all cases).
Input label file is longer than audio | Check that the label file being used to mark speaker sections matches the audio in terms of the total duration.
A smaller proportion of the audio was identified as speech than expected | Ensure that enough actual speech data is available for training. Check the audio file to validate whether a large proportion was indeed silence or noise. If not, you might need to increase the `LowEnergyValue` setting in the `normalizer` module when you generate features.
`SpkIdDevelFinal` | No positive examples for template | Ensure that you provide positive audio examples (data from each speaker) for each speaker template.
No positive examples for template) | Ensure that you provide negative audio examples (data from speakers other than just the trained speaker) for each speaker template.
No development scores found for speaker – threshold not set | Ensure that all speaker templates are included when you run the development tasks (`SpkIdDevel`, `SpkIdDevelWav`, or `SpkIdDevelStream`).

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