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Groups > comp.lang.javascript > #39625 > unrolled thread

Making my own midinote sheduler?

Started byJonas Thörnvall <jonas.thornvall@gmail.com>
First post2021-03-11 21:43 -0800
Last post2021-03-16 23:02 -0700
Articles 2 on this page of 22 — 4 participants

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  Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-11 21:43 -0800
    Re: Making my own midinote sheduler? Arno Welzel <usenet@arnowelzel.de> - 2021-03-12 15:03 +0100
      Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-12 09:08 -0800
      Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-13 05:22 -0800
      Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-13 08:59 -0800
      Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-13 10:22 -0800
        Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-13 10:26 -0800
        Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-13 10:31 -0800
          Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-13 10:35 -0800
            Re: Making my own midinote sheduler? Arno Welzel <usenet@arnowelzel.de> - 2021-03-14 18:22 +0100
              Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-14 11:15 -0700
                Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-14 13:37 -0700
    Re: Making my own midinote sheduler? Silvio <silvio@internet.com> - 2021-03-15 17:49 +0100
      Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-15 11:06 -0700
      Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-15 11:12 -0700
        Re: Making my own midinote sheduler? Arno Welzel <usenet@arnowelzel.de> - 2021-03-16 00:58 +0100
          Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-15 19:07 -0700
            Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-16 05:19 -0700
              Re: Making my own midinote sheduler? "Michael Haufe (TNO)" <tno@thenewobjective.com> - 2021-03-16 06:20 -0700
                Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-16 08:10 -0700
                Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-16 08:12 -0700
                Re: Making my own midinote sheduler? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-03-16 23:02 -0700

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#39668

FromJonas Thörnvall <jonas.thornvall@gmail.com>
Date2021-03-16 08:12 -0700
Message-ID<755be0f7-3fcc-4647-befb-3ec409122daan@googlegroups.com>
In reply to#39666
tisdag 16 mars 2021 kl. 14:20:40 UTC+1 skrev Michael Haufe (TNO):
> On Tuesday, March 16, 2021 at 7:19:23 AM UTC-5, jonas.t...@gmail.com wrote: 
> 
> > setInterval using 1 ms call have a delay of 500%
> You've been told multiple times now that you can't set a delay that low: 
> 
> <https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setInterval#delay_restrictions>
But it probably have use for building editors for midi devices. But as a motor providing timing of notes within an application, it is just not accurate enough.

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#39673

FromJonas Thörnvall <jonas.thornvall@gmail.com>
Date2021-03-16 23:02 -0700
Message-ID<0f690bd1-8f05-4b95-a626-fbaeca2a87f2n@googlegroups.com>
In reply to#39666
tisdag 16 mars 2021 kl. 14:20:40 UTC+1 skrev Michael Haufe (TNO):
> On Tuesday, March 16, 2021 at 7:19:23 AM UTC-5, jonas.t...@gmail.com wrote: 
> 
> > setInterval using 1 ms call have a delay of 500%
> You've been told multiple times now that you can't set a delay that low: 
> 
> <https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/setInterval#delay_restrictions>

Ok i will end ranting about this know but i can conclude that javascript not really suitable for realtime processing of midievents.
One of the more ambitiious project i found on net also suffer from same problem.

https://g200kg.github.io/webaudio-tinysynth/soundedit.html

Same song took 6.10 "370 seconds" to play in this  project, i end up with similar result for the song which last event in reality is  329 seconds.
I will do what i can by doing a histogram of latencys depending on interval between notes, "basicly a correction scheme, for the playup".

"Yes that is how bad the midi API runtime abiiities is in reality, so i can see why it is not utilised more"
As soon you try do do something real, you will fail.

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