# Pure Data effect

**URL:** <https://discourse.zynthian.org/t/pure-data-effect/5140>\
**Category:** Using Zynthian\
**Created:** [December 27, 2020, 2:47pm UTC](https://discourse.zynthian.org/t/pure-data-effect/5140 "2020-12-27T14:47:11Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Guilll](https://discourse.zynthian.org/letter_avatar_proxy/v4/letter/g/5f9b8f/32.png) [@Guilll](https://discourse.zynthian.org/u/Guilll)\
**Post date:** [December 27, 2020, 2:47pm UTC](https://discourse.zynthian.org/t/pure-data-effect/5140/1 "2020-12-27T14:47:11Z")

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Hello ! I’ve been playing with a home-made Zynthian for a few weeks, it’s really great. I have a question that I don’t seem to find an answer for anywhere (maybe because it’s obvious?) : is it possible to use Pure Data as an audio effect applied to a synth layer ?

The reason I’m asking is because I’m trying to create a looper patch in Pure Data, and I would like to use it with my Zynthian.

Thanks a lot !

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**Author:** ![ronsum](https://discourse.zynthian.org/letter_avatar_proxy/v4/letter/r/ecb155/32.png) [@ronsum](https://discourse.zynthian.org/u/ronsum)\
**Post date:** [December 27, 2020, 10:12pm UTC](https://discourse.zynthian.org/t/pure-data-effect/5140/2 "2020-12-27T22:12:04Z")

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You can’t load PD as an Audio-FX layer, but you can use audio routing to route the output of a synth layer to a PD layer. This will allow you to send the audio output of a synth to an adc~ object in your PD looper patch.