[sdiy] [Polluriel détecté] Re: Reliable MIDI recording app for PC.. Or my Sonar X3 Pro DAW is not set correctly..

[H.Sergio Alves]

Have you tried midi ox to monitor what’s being sent?

On Thu, 30 Oct 2025 at 18:20, Jean-Pierre Desrochers via Synth-diy <
synth-diy at synth-diy.org> wrote:

> My program only outputs the following MIDI datas:
>
> NOTE ON (paper hole detected)
>
> NOTE OFF (paper hole finished)
>
> ALL NOTES OFF (when rewinding my paper rolls only. Never else)
>
>
>
> So there is no ‘big’ MIDI traffic involved here to the Sonar MIDI input.
>
> But the number of voices can go up to around 20 in some parts
> of songs but rarely. Mostly around 10-15 notes played at the same time.
>
>
>
> Mike Briant asked:
>
> *>> **What else is on the USB connectors of the PC ?   Anything else
> taking lots of bandwidth (a USB3->HDMI display for example ?)*
>
> I use a 5 pins DIN MIDI connector to my Focusrite Scarlett 2i4 USB device.
>
> No other USB devices used on my PC during MIDI recordings.
>
>
>
> I tried using only *Note*s and remove *System Exclusive* from the
> ‘authorized’ record datas.
>
> It improved the recorded datas but still some lags inserted
> here and there..
>
>
>
>
>
> *De :* Synth-diy <synth-diy-bounces at synth-diy.org> *De la part de* John
> Speth via Synth-diy
> *Envoyé :* 30 octobre 2025 11:03
> *À :* SYNTH DIY <synth-diy at synth-diy.org>
> *Objet :* Re: [sdiy] [Polluriel détecté] Re: Reliable MIDI recording app
> for PC.. Or my Sonar X3 Pro DAW is not set correctly..
>
>
>
> *>> Do the hesitations happen in the same way each time when you start
> playback?  *
>
> Yes. Same way, same places. The lags are recorded on the MIDI track.
>
> "The lags are recorded on the MIDI track."???  Does that mean the gaps
> are in your recorded event list?  If so, that's not a playback problem.
> That's a recording problem. Your filter is set to record note on/off and
> sysex. Does your event list only contain note on/off and sysex? If you
> change your filter to not record sysex, do you still have valid test
> conditions for you to see the problem?  IOW, if you don't record sysex,
> will playback be silent because sysex was needed? Disable sysex recording
> as a test. There's no lasting harm in doing so I assume.
>
> I think the next step is to monitor MIDI data with a MIDI monitor during
> recording. There might be some sort of MIDI data clogging up the MIDI
> stream. MIDI is capacity limited. So, for example, if sysex is constantly
> being pumped along with note on/off, you could plausibly see hesitations.
> Monitor in both directions (if you're using both directions).
>
> I recently had a Cakewalk experience that showed a bug regarding .MID
> files. I took an interest in the "Situation" by Yazoo MIDI file. When I
> loaded it into free Sonar, I had many problems running it (problems I don't
> remember). I tried two other .MID files and never had the same problems. I
> concluded that the Yazoo .MID file contained something that corrupted
> Cakewalk. I tried the same exercise with Bandlab and noted the same
> problem. I concluded that there is some sort of bug associated with some
> .MID files in Cakewalk and that the this mysterious bug has been around for
> a while. I would try a different sequencer. You should be able to find at
> least a few free ones, including online sequencers. The bottom line is: CW
> has bugs and it probably always will.
>
> If you haven't done so yet, install and use MIDI-OX. It's a swiss army
> knife tool for MIDI. It has a MIDI monitor and will let you confirm your
> MIDI data that you record has no hesitations by taking Sonar out of the
> picture.
>
> JJS
>
>
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