Warning Messages

Depending on the speaker ID task, 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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