User:Rob Kam/sandbox1/TubeOhm Jeannie

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File:TubeOhm Jeannie in aluminium case (edited).jpg

The TubeOhm Jeannie is an open-source 8 voice digital polyphonic desktop synth. It has a 24dB ladder filter and 12dB state variable multimode filter, 2 LFOs, 2 ADSRs, 800 waveforms, a wave shaper with 11 waves, a 16-step sequencer and 24-bit DSP effects.[1][2]


When Émilie Gillet stopped distributing the Shruthi and Ambika, TubeOhm Instruments continued to distribute them. Rolf Degen and Andre’ Laska of TubeOhm developed the Jeannie based on the Shruthi and Ambika but taking advantage of more recent technology.[1]

The Teensy 4.1.
Teensy 4 Audio Shield (Rev D).

The Teensy 4.1 and audio shield combination allows for economically implementing a polyphonic digital synthesizer.

Teensy 4.1

The Teensy version 4.1 features an ARM Cortex-M7 processor at 600MHz, with a NXP iMXRT1062 chip, 7936K flash memory. It measures 60.96 mm by 17. 78 mm (2.4 inch by 0.7 inch), and provides multiple I/O capability, including two independent USB ports.[3]

Teensy 4 Audio Adaptor (Rev D)

The Teensy 4 Audio Adaptor (Rev D) provides adds high quality 16 bit, 44.1 kHz sample rate audio to the Teensy and with the audio library the ability to make a variety of audio projects. The shield utilizes the SGTL5000 stereo codec.[4]



PCB assembly notes


Comments on usage


Parts list



See also


Further reading

External links