[Newbies] Editing MIDI files
Edgar J. De Cleene
edgardec2001 at yahoo.com.ar
Thu Oct 30 10:07:38 UTC 2008
El 10/29/08 6:51 PM, "Yoshiki Ohshima" <yoshiki at vpri.org> escribió:
> Charles Bacon wrote:
>> I have just installed Squeak on my FreeBSD box, a bit more capable than
>> the limited OLPC in which I discovered it as a part of Etoys. Problem
>> is that Squeak gives no clue how to address a Midi file so that it can
>> be edited. I am not a developer, just a hopeful user. Ideas?
>> Chuck Bacon -- crtb at cape.com
> Ah, there may be some misunderstandings:
> - In regards to sound editing capability, nothing has really changed
> in the Etoys image. Open a .mid file from the FileList or click
> on the load button in the menu bar to navigate to the file and
> press "open". There, you can open the piano roll. You can drag
> the "notes", and add new notes if you "add keyboard" from the
> context menu of piano roll.
> - To get more developers' like features, you can set the
> eToyFriendly preferences off. From the World's halo menu, choose
> preferences. Then, type something like "etoy" into the panel and
> turn off the eToyFriendly off.
> -- Yoshiki
> back in 3.6 times when the people doing the release work in Squeak
> were thinking more about users than about developers (no offense or
> criticism to the people currently doing the work!) Squeak had a
> project "The worlds of Squeak" inside it a Project "Music" to show off
> Swueak's musical tools. Inside that you would find a project "More
> about sound".
> In there is a text "More sound, Music and Speech". At the bottom you
> will find a paragraph "Writing your own midi scores".
> So I suggest you get yourself a Squeak3.6 full from
> read the texts and play and then try what still works in current
> You will find the tools in the World menu, "Objects" "Multimedia", but
> I think you should read the texts in the old image. Maybe older images
> contain even more.
> BTW you can use the 3.x images with your recent VM. For older images
> you need the VM packaged with the image.
To info of Yoshiki and Herbert I add.
In 3.10 all related to .mid is still in the image and also on my
You don't need reload any.
I don't think a .pr of 3.6 times as was could run, others things like Speech
is not on "base" image now.
But any morph still in the image , as ScorePlayerMorph works same as in
I just check on
> Writing your own midi scores
> To try this out, execute...
> | n score |
> n := 3."number of tracks"
> score:= (MIDIScore new tracks: ((1 to: n) collect: [:i | Array new]);
> trackInfo: ((1 to: n) collect: [:i | 'Instrument' , i printString]);
> tempoMap: nil; ticksPerQuarterNote: 96).
> ScorePlayerMorph openOn: score title: 'My score'
And works , as ever.
If you like music, I strong advice to check this
>From Stéphane Rollandin
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