[LAU] Actually a Korg M1 data dump question: Decoding files that begin "00 10 00 3C"

David bouncingcats at gmail.com
Wed Apr 7 02:00:41 CEST 2021


On Wed, 7 Apr 2021 at 05:08, Kevin Cole <dc.loco at gmail.com> wrote:

> I've gotten it into my head to try to try to decode some files from 30
> years ago and see if I can extract enough MIDI -- and perhaps,
> instrument modifications -- to be able to approximately recreate the
> audio on Linux.

> The files were created from a program I wrote and have long since
> forgotten. Using the old Korg M1 manual, helpfully scanned in by Korg,
> I've been able to determine that most of the files start with the
> "exclusive header" and can be categorized as to which type of dump
> they are. From there, I should be able to break apart the data.

> However, I have a several files with the extension ".sng", which would
> suggest "song"

I found these notes from someone who worked on a similar task:

https://sudonull.com/post/32147-Binary-format-reverse-engineering-using-Korg-SNG-files-as-an-example

https://sudonull.com/post/32072-Binary-format-reverse-engineering-using-Korg-SNG-files-as-an-example-Part-2


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