Filters

Filters provide a simple way to filter out high or low frequencies.
This is what the sound path would look like if both possible filter types were active:

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Direct Filters

In this example, the low frequencies are played with a volume of 50%, high frequencies are at 30%.

soundSource.setFilter(0.5f, 0.3f);

Effect Filters

It's also possible to apply a filter to an effect instead of the source directly:

SoundEffect effect = new SoundEffect(EaxReverb.domeSaintPauls());
soundSource.attachEffect(effect, 1f, 0.3f);