MATRIXSYNTH: How to use a Raspberry PI as a sample-based synthesizer / ROMpler

Friday, February 07, 2020

How to use a Raspberry PI as a sample-based synthesizer / ROMpler

Published on Feb 7, 2020 Floyd Steinberg

"How to use a Raspberry PI as a Sample Synthesizer / ROMpler, using Audacity, SWAMI and QSYNTH. Also: How to use an external USB audio interface with your Raspberry PI. Table of contents below!

In this video, I'm solving the problems with my audio interfaces I encountered in my last video, install some audio software and build a sample-synthesizer (think Korg M1, or any workstation synth) from scratch, creating a string orchestra sound on the way. There's a handful of audio examples of the piano&strings variety in this video.

Table of contents:

00:00 audio example 1: Rhodes electric piano
00:43 introduction
01:18 hardware needed
01:52 installing the USB audio interface correctly
02:33 JACK/qjackctl setup
03:24 installing apps (Audacity, SWAMI, QSYNTH)
04:48 getting some free sound fonts from the web
05:27 loading sound fonts into qsynth and setting up the MIDI channel assignments
05:59 audio example 2 (from the Yamaha SY85 patch collection, see links below)
08:58 capturing your own samples
09:50 creating your own sound font with SWAMI
12:11 loading the sound font into qsynth
12:24 audio example 3: piano and strings
13:23 conclusion

Yamaha SY85 sound fonts:
Steinway & Fender Rhodes sound fonts:
My previous PI video explaining how to install the OS and how to create a boot script, so your synth automatically launches after booting:
How to disable the PI's onboard sound card:"

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