import javafx.scene.media.AudioSpectrumListener; //导入依赖的package包/类
private void init(Stage primaryStage) {
    Group root = new Group();
    primaryStage.setScene(new Scene(root));
    root.getChildren().add(createChart());
    audioSpectrumListener = new AudioSpectrumListener() {
        @Override public void spectrumDataUpdate(double timestamp, double duration,
                float[] magnitudes, float[] phases) {
            for (int i = 0; i < series1Data.length; i++) {
                series1Data[i].setYValue(magnitudes[i] + 60);
            }
        }
    };
}
 

import javafx.scene.media.AudioSpectrumListener; //导入依赖的package包/类
public AdvAreaAudioChartSample() {
    getChildren().add(createChart());
    audioSpectrumListener = new AudioSpectrumListener() {
        @Override public void spectrumDataUpdate(double timestamp, double duration,
                float[] magnitudes, float[] phases) {
            for (int i = 0; i < series1Data.length; i++) {
                series1Data[i].setYValue(magnitudes[i] + 60);
            }
        }
    };
}
 

import javafx.scene.media.AudioSpectrumListener; //导入依赖的package包/类
public AdvBarAudioChartSample() {
    getChildren().add(createChart());
    audioSpectrumListener = new AudioSpectrumListener() {
        @Override public void spectrumDataUpdate(double timestamp, double duration,
                float[] magnitudes, float[] phases) {
            for (int i = 0; i < series1Data.length; i++) {
                series1Data[i].setYValue(magnitudes[i] + 60);
            }
        }
    };
}