User's Manual
The included SD card is 16GB but SD cards with a bigger capacity can be used
(successfully tested up to 256GB).
Sample folders containing more than 100 files will be automatically split to subfolders.
Reset button – hidden reset button for emergency flashing procedure (to proceed with the
emergency flashing, remove the SD card from the slot).
USB Type-C port – 5V 1A power input from any USB power source (included Polyend AC
adapter/USB port/power bank).
Provides bidirectional MIDI class-compliant communication.
Uses MTP (Media Transfer Protocol) which basically lets you browse the files and
folders stored on your SD card from a computer level,
Power switch – press once shortly to turn the unit on or press and hold for a momentto
switch it off.
Audio architecture
The schematics shown below will help you understand the workflow. The first diagram
demonstrates the Polyend Tracker’s audio signal flow with the list of steps that input sound
goes through in order to be heard through the output (the signal flow is the same for each of
its eight audio voices).
The implemented reverb algorithm code is created by Émilie Gillet of Mutable Instruments
and is used under MIT license.
The second diagram presents each instrument’s amplifying structure.