• nicnut

    @whale-av Hey that's a really good idea to use Phasor~ as a visual aid. I will try that.

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  • nicnut

    @ddw_music Yes that makes sense. However a lot of other environments, in my experience don't have this fluctuation. When I record files from Max it seems pretty much locked to the tempo.
    And moving files between Ableton and Logic is fine, the tempo is solid.
    It could also be my hardware recording device, but it works with Max pretty well.

    This is not a huge complaint on my part, as I really love working in Pd, but it would be nice to figure out this timing issue.

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  • nicnut

    @oid Yes I totally agree. I love the interesting hemiolas you can get with those slight waverings. I'm cool with that. However one thing that can be annoying for me is when i export Pd created audio files into a DAW and try and line them up with bar lines or a click. usually it can be time consuming as I have to adjust a lot of parts.

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  • nicnut

    @whale-av Ok thanks for that. For my purposes I want a waveform, It could be phasor~, impulse~ or something else. I'm making some binaural beats, isochronic tones, and tempo controlled LFOs. Everything is related to certain frequencies. It just makes sense to me that it all comes from oscillators and not metronomes. But this is good to know about vline~. I have noticed small wavering of tempo in other things I've done with Pd so I'll try using vline~ more in the future.

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  • nicnut

    @old Ok very cool. Yes I can see that now, I am getting bangs out of both sides.

    Actually I was looking at the threshold~ help file and it didn't really help me get anything figured out. It is sending out a print message and in the console nothing is being printed. I couldn't get any bangs out of it also. And I had the auido on. I really couldn;t figure it out, but I think now I have a better idea.

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  • nicnut

    @jameslo Yes. I don't know why, but I was trying to get it triggered at 1 also. It just seems that as soon as it hits 1 it will go back down so that seems safe. I didn't want to pick .5 because then it would get it on the up and down side of the wave form.

    The way you have it, with threshold~ .6 0 .5 0 is it only sending out a bang once per wave cycle? It seems like as the wave form is going from 0 to 1 it would trigger, and from 1 to zero.

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  • nicnut

    @jameslo yes that works! Thank you.

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  • nicnut

    Thank you for all the great replies. I don't see how I can get a bang out of threshold~ however.

    I must be missing something here.

    threshold.pd

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  • nicnut

    Hi. This seems pretty basic, but I haven't been able to find anything. Is there a way to use a phasor~ to drive a metro or counter? Ultimately I want to create a sequencer from this. So, for example, a [phasor~ 1] would be 1 hertz, doing one cycle per second, so that would be equal to a metro at 1000 milliseconds. There must be a way to do this, but I'm having a hard time figuring this out. Thank you for any help or suggestiosns.

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  • nicnut

    @jameslo

    i am doing something similar. The beat wavering is really only noticed over long time periods, like longer than 2 minutes. What I am working on now has a fast bpm, 154 and my metro is counting 16th notes of that, so it's pretty rapid. I am getting almost no beat wavering that I can see with this. But I did make some loops and i am over dubbing using Ableton, sending Pd audio into Live. So far everything is good.

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  • nicnut

    @jameslo Hey. I think I'd like to try and keep all the timing in Pd. It's a project with lot's of algorithmically generated rhythms and I don't want to lose that aspect of i. I want to use Logic just to mix and arrange everything. But thank you for the suggestion.

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  • nicnut

    @whale-av ok thank you for the suggestions. I tried recording again last night and had a little more success. I tried having the main metronome everything is based on go at a much faster rate and everything that relies on it will subdivide off that. I'll keep experimenting with this. I'll look into vline~ too.

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  • nicnut

    Hi Everyone,

    In the last year I have recorded a few tracks using Pure Data and I am exporting them into Logic to mix them. I notice that the BPM tempo wavers. For example, if I have a tempo of 150 bpm, when I export the tracks to Logic it might have a tempo of 149.82 for a few bars, then 149.91, then 149.81, etc. it always goes a little slower in a seemingly random way. Over the course of a large number of measure it is way off the tempo. I know this because I have a kick drum pattern that always attacks on a certain beat and I can see it’s off.

    I have heard a few other people mention this issue, but it has never really been an issue for me until now. Does anyone have any strategies for dealing with this? I am sequencing a few elements and I want them all to be in sync, drums, a bass part, etc. And all the various drums themselves, like a kick drum, snare drum, hi hat, etc.

    I am using regular metro objects all starting from a single message that is sent to the different metronomes. Should I try and use all audio rate timing or something similar?

    It is not easy to notice the tempo wavering by listening, but sometimes I think I can notice it too, and it’s sort of weird rhythmic feel as well.

    Thank you in advance for any advice.

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  • nicnut

    Thank You @ddw_music and @whale-av. I still haven't tried these solutions out, but now I have a few to try. I will start with the midi pipe method and then these others.

    Thanks, I will post how this works out or which method is easiest to implement.

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  • nicnut

    Well I have a bunch of Midi controllers and it happens whenever I plug in more than one. I have two other ones on Channel 3 and 4 and If I plug them both in I have a similar problem with the wrong channel coming up for one of them. But like I said, i don't have this problem in Max or any other software, it's a unique problem with Pd.

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  • nicnut

    @jameslo Yes it's kind of weird to have one device with 2 midi channels.

    It has two teensy microcontrollers in it, each one is a different midi channel.. I could have made it with one teensy if i know what I do now, but at the time that seemed easier. They both have a usb cable that goes into a usb hub in the midi controller, and I have one usb cable coming out.

    i'm making another one now and it will just be with one teensy

    Here's a demo video.

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  • nicnut

    @whale-av OK thanks I'll try the midi pipe!

    @jameslo they come up as two seperate devices

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  • nicnut

    HI and thanks for the info. That makes sense about the 1-16, 17-36 thing, because the other midi controller always ends up to be channel 17, 18 or 19.

    i don't think it's a Mac OS problem, because when I use Ableton live or Max the midi channels come in correctly.

    @jameslo, Yes, the order that the devices appear seems to change with the midi channel number. I have a device, that I made, that operates on two midi channels, 1 and 2. It only has one USB cable connection so I can't plug them in separately. So it's kind of arbitrary which midi channel gets displaced.

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  • nicnut

    Hi,

    This has been a pain for me for awhile. When I plug two or more midi controllers into my Mac Pd will get the correct channel number of the 1st controller, but always assign a seemingly random number to the 2nd channel number.

    I am always on midi channel 1 and 2. Right now my Mac thinks I am on channel 2 and 17.

    I just wanted to ask, because I am switching back between an RPi and a Mac and having to change every ctlin and ctlout object just to work on my patch for a few hours is a real drag.

    If any one knows a way to resolve this please let me know.

    Right now I am on Pd 51.4 and Mac OS 10.13.6

    Thanks, Nick

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  • nicnut

    @whale-av

    oh my god! ha ha. i have a lot of homework to do.

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