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Subtitle-Synchronizer / jlibrosa

Librosa equivalent Java library to process audio file adn extract features from it.
MIT License
89 stars 26 forks source link

While using the method generateMelSpectroGram, I got NullPointerException. #13

Open humaneBicycle opened 1 year ago

humaneBicycle commented 1 year ago

This is the whole stack trace.

FATAL EXCEPTION: Thread-7 Process: com.humanebicycle.spirometer, PID: 11477 java.lang.NullPointerException: Attempt to invoke virtual method 'double org.apache.commons.math3.complex.Complex.getReal()' on a null object reference at com.jlibrosa.audio.process.AudioFeatureExtraction.melSpectrogramWithComplexValueProcessing(AudioFeatureExtraction.java:198) at com.jlibrosa.audio.JLibrosa.generateMelSpectroGram(JLibrosa.java:350) at com.humanebicycle.spirometer.AudioFeatureExtractor.getMELSpectrogramFeatures(AudioFeatureExtractor.java:63) at com.humanebicycle.spirometer.AudioFeatureExtractor.getAudioFeatures(AudioFeatureExtractor.java:26) at com.humanebicycle.spirometer.AnalyticsActivity$3.run(AnalyticsActivity.java:169