Case study

Torso T-1: reconstructing the .t1 backup format

The Torso T-1 backup-format project maps the sequencer's .t1 bank data through controlled device backups and byte comparisons. Python codecs parse and rebuild banks, export patterns to MIDI and import MIDI as device-loadable backups; the author reports byte-exact sample rebuilds and successful hardware imports.

Targets: Firmware
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 9
Last commit: 2026-10-19
Language: Python
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: Python 3; a T-1 device is needed to load generated backups onto hardware.
Prerequisites: Keep a known-good device backup before importing generated banks.
Limits: Timing and Delay tick units, MIDI scale mapping and some interior bytes remain unresolved.
License: MIT License.

Cite

BibTeX

@misc{t1-backup-file-format-case,
  title = {{Torso T-1: reconstructing the .t1 backup format}},
  howpublished = {\url{https://github.com/pizboese/t1-backup-file-format}},
  url = {https://github.com/pizboese/t1-backup-file-format},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/t1-backup-file-format-case/}}
}

Plain text

Torso T-1: reconstructing the .t1 backup format. https://github.com/pizboese/t1-backup-file-format (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/t1-backup-file-format-case/

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About this entry

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Primary sources

README.md GitHub · pizboese/t1-backup-file-format · Revision ee8de38
samples/12_random_reroll/README.md GitHub · pizboese/t1-backup-file-format · Revision ee8de38
LICENSE GitHub · pizboese/t1-backup-file-format · Revision ee8de38