# Soundboard & puredata

**URL:** <https://forum.critterandguitari.com/t/soundboard-puredata/3764>\
**Category:** Organelle\
**Created:** [January 22, 2019, 6:07pm UTC](https://forum.critterandguitari.com/t/soundboard-puredata/3764 "2019-01-22T18:07:23Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![thetechnobear](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.critterandguitari.com/thetechnobear/32/42_2.png) [@thetechnobear](https://forum.critterandguitari.com/u/thetechnobear)\
**Post date:** [January 22, 2019, 8:24pm UTC](https://forum.critterandguitari.com/t/soundboard-puredata/3764/4 "2019-01-22T20:24:29Z")

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so you want to use an external audio interface with the Organelle?

yes this can be done, assuming your audio interface is class compliant

Ive covered it in this topic:

> [@How To : PD - using an external USB audio interface](https://forum.critterandguitari.com/t/how-to-pd-using-an-external-usb-audio-interface/2463):
>
> Ive had a few people PM’ing me about this, how to do it…and since its easier since OS 3.0 I thought Id post a quick ‘how to’… and some pitfalls, and things to consider the essence of the answer to this question - is to provide Pure Data with command line options to make it use the audio interface. so there are a few steps to this: a) what are the command line option? b) how do I know what to use? c) where to put these options so they get picked up? ok, im going to answer these in reverse …

just beware, USB is going to be slower than using an on-board soundcard, so you might have to increase the buffer sizes, which will increase latency a bit too.  
(its not a big thing… just something to be aware of)

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