PopcornFX v2.17

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  6. Audio sampler

Audio sampler

The audio sampler allows you to sample a realtime audio waveform or frequency spectrum. You can specify which audio channel group you wish to sample. It is useful to make the particles react to audio, and supports easy-to-use convolution to sample the spectrum a different levels-of-detail.

Audio sampler

Audio samplers can be sampled with cursors in the [0;1] range to extract frequencies or waveforms.


Audio samplers are most commonly used with the following templates:

  • AudioSample
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