How do you define the frequency range for mel-frequency bins?

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Réponse

Use the 'lowFreq' (default 20) and 'highFreq' (default 0, relative to Nyquist) options within 'melBanksOptions' to set the low and high cutoff frequencies.
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computeFeatures

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Other questions about computeFeatures
What does the 'audioColumn' parameter specify? How does the 'useEnergy' option in 'fbankOptions' affect the output? What does the 'usePower' option in 'fbankOptions' do? What feature scaling methods are available through the 'featureScalingMethod' parameter? What is the purpose of the 'frameExtractionOptions' parameter?
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