Composers Desktop Project Forum

Quote from: Phoenix cat on October 29, 2025, 07:45:58 PMI try with TOOLS>MIDI TO SEQ and select a .mid file and I got this message "Failed to execute mf2t.exe".

Hi Phoenix,
I think this will be a Windows message because it couldn't find mft2t.exe. Soundshaper currently looks for mf2t in a subfolder of Soundshaper called BIN (although I've changed that for the next release to _cdprogs, because it's also in there along with all the other software). The .txt output of mf2t is put in the same folder as the .mid file itself, as is the converted .seq file. So it might make sense to copy the .mid file first to the Sequencer subfolder of your user folder (i.e. TXT\Sequencer) so that it's easy to load the .seq file.

Before running Sequencer (i.e. CDP EXTEND SEQUENCE2) you should take a look at the .seq file (which is a text file) as it has a header defining a number of input sounds: e.g. 60 60 60 will need three separate input files. You can load or copy these to different rows in Soundshaper. (Even if they sound the same, they'll have different names, so CDP won't object.) Also, the Sequencer program can take a while to run, so be patient. As an alternative, it could be worth getting your MIDI file to 'play' a free sampler program.

Quote from: Phoenix cat on October 29, 2025, 07:45:58 PMI try with TOOLS>MIDI TO SEQ and select a .mid file and I got this message "Failed to execute mf2t.exe".

.

Thanks for reporting this. I'll look into it.

thanks, I will look into that links

Apart from the (currently) problematic use in Soundshaper

I believe midi files can be used for input to Tabula Vigilans (tv) or ProcessPack
More info here:
https://www.composersdesktop.com/pdf/tvinfopgnew.pdf

https://www.composersdesktop.com/interfaces.html

There is some info on this in this thread here: https://unstablesound.net/cdpforum/index.php?topic=203.0
Seems it has been having some issues and is being considered for removal.

mf2t doesn't seem to have documentation on the CDP website that I can find but it is an adaption of this software: https://github.com/reinierdevalk/mf2t-t2mf

Its intended use in CDP seems to be to take a midi file and use it to generate a sequence file (see: https://www.composersdesktop.com/docs/html/filestxt.htm#SEQUENCEFILES ). I don't know of any other cdp processes that accept a midi file as input but there might be some I am unaware of!

I try with TOOLS>MIDI TO SEQ and select a .mid file and I got this message "Failed to execute mf2t.exe". And I cant find documentation about what is posible with mid files. What is happening? what is possible with CDP, with a midi file?

thanks, the default file was wrong.

Quote from: dwheelersf on September 24, 2025, 10:43:22 PMhas anyone installed this on a ESP32 or ras pie and use it like a guitar pedal effects processor?

Yes people have got CDP working on a raspberry pi, there are binaries for that here: https://sbmesh.com/2024/09/07/cdp-8-composers-desktop-project-arm64-aarch64-binaries/

I am planning on releasing a Raspberry Pi build of SoundThread in the future.

Worth noting that as this is offline processing, you won't be able to use it as a guitar pedal as that requires realtime processing.

Have you made a loaded a harmonics file into the first parameter?

This should be a text file with just the harmonic number and the amplitude value on each line.

You need to give it value pairs for the harmonic you want it to add and the loudness of that harmonic, something like this will add even only harmonics with decreasing loudness:

2 0.5
4 0.4
6 0.3
8 0.2
10 0.1
12 0.05

In Soundloom you can press the Make File button to make the file directly, in Soundshaper you can edit it in the black box in the process window.

There is more documentation on this here: https://www.composersdesktop.com/docs/html/cdistort.htm#HARMONIC

You may also choose a spectral file for Input 1 or 2 in Soundshaper, but only if the Auto-FFT option is selected (which it should be by default). It would be helpful to have an optional wet-dry control integrated into a lot of procedures. I'm looking on methods to add this to Soundshaper.