B4J Library jEqualizer Library

This one is a wrapper for the Javafx AudioEqualizer class documentation is here.

The equalizer works with Media Player.

This works slightly differently from the Android equalizer in that you need to pass a MediaPlayer object to the Equalizer initialization.

Equalizer
Author: Steve Laming
Version: 1.0

AudioEqualizer Class

• Methods
  • Initialize(MP As MediaPlayer)
    Initialize the object.
    Requires a MediaPlayer Object)
    
    Bands As List
    Returns an ObservableList containing EqualizerBand elements.
    
    Enabled(enabled As boolean) As boolean
    Get / Set enabled state of the AudioEqualizer.
    
    NumberOfBands As int
    Returns the number of bands currently attached to the Equalizer

EqualizerBands Class

• Methods
  • Bandwidth(value As double) As double
    Get / Set the bandwidth of the band.
    
    CenterFrequency(value As double) As double
    Get / Set the center frequency of the band.
    
    Gain(value As double) As double
    Get / Set the gain to be applied to the band.
    
    Band As EqualizerBand
    Get the underlying EqualizerBand Object
    
    Initialize As void
    Initialize the Equalizer Band using default values
    
    Initialize2(centerFrequency As double, bandwidth As double, gain As double) As void
    Initialize the object with Custom EqualizerBand values.
    
    Initialize3(eb As EqualizerBand) As void
    Initialize the object with an existing EqualizerBand

The Test project has an example of creating a gui for the equalizer from data in the equalizer object. It also shows how to create a custom equalizer. (EqualizerTest.zip) You need to provide your own audio file to initialize the Media Player with.

Download the EQLib.zip and copy the jar and xml files to you additional libraries folder.