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Type: Posts; User: flo

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  1. Replies
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    Hello TigerBalm. I've had this problem too,...

    Hello TigerBalm.

    I've had this problem too, when building my synthesizer. You can access the audio objects from an array, like described in this post. ...
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    Hello TigerBalm, weird, I noticed too that...

    Hello TigerBalm,

    weird, I noticed too that somehow, there are different versions of the gui tool. (with different indexes? :confused:)
    This here -> https://www.pjrc.com/teensy/gui/ does not...
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    Hi Richard, thank you, I changed the...

    Hi Richard,
    thank you, I changed the coefficients and corrected the bug you found in the poly update routine and now it works great with relatively low CPU usage (also 4% for 2x oversampling and...
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    Hello all. First, many thanks for all the...

    Hello all.
    First, many thanks for all the effort, the filter sounds great! I am using the "simplified model", that is currently in the official Audio Library.
    But it really is ressource-hungry....
  5. I don't think it would fit the fixed-point,...

    I don't think it would fit the fixed-point, optimized style of the library. All the calculations are in float (and I feel not competent enough to implement the BLEPs and sync in integer math).
    But...
  6. I've already run into some light performance...

    I've already run into some light performance issues, so I don't want to "bloat" to code any more by moving to proper bleps. When using lots of polyphony (currently I'm at 16 voices for my synth), the...
  7. Hello MarkT, my implementation is only a...

    Hello MarkT,

    my implementation is only a two-sample polyBLEP, so it will only reduce the aliasing. What exactly do you mean with spurs? Spikes in the Frequency spectrum?
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    No, not yet. Maybe there's a fix from the faust...

    No, not yet. Maybe there's a fix from the faust developers, but I think not.
    I have been given up on faust for Teensy because of the big data overhead.
  9. Seems like different people are working in...

    Seems like different people are working in parallel at the same problems :D

    I recently created a polyBLEP oscillator, you might have a look at it...
  10. New Audio Object: polyBLEP Oscillator with bandlimited hard-sync

    Hello there :)

    I have been digging deep into the rabbit hole of anti-aliasing lately and have succeeded to finish an oscillator object for my Teensy synth, which I want to share with you.
    Since...
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    I also have the same problem and accidently...

    I also have the same problem and accidently started a new thread here on the forum (didn't use the search function, shame on me).
    I noticed, that you get those errors with " multiple definition of...
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    Linker Issue with including 2 Faust objects

    Hello folks,
    I have started experimenting with Faust DSP objects for the Teensy Audio Library and came across some weird linker error. I already started an Github issue on the Faust Github website...
  13. Maybe you got a short circuit in your keyboard...

    Maybe you got a short circuit in your keyboard matrix when pressing multiple keys? Short circuits crashing the Teensy happened to me once with a faulty pushbutton. But since you said, that your...
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    So, recently I have been experimenting with...

    So, recently I have been experimenting with polyBLEPS a little bit.
    I tried to implement the algorithm described in this blog:...
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    Hello folks! I recently ran into the same...

    Hello folks!
    I recently ran into the same aliasing problem while building a synthesizer. The standard sawtooth waveform is indeed strongly affected.
    I'd ask, since @ohoomens built this really...
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    @ houtson Thank you very much!

    @ houtson
    Thank you very much!
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    Hello @houtson I would be very glad, if you...

    Hello @houtson
    I would be very glad, if you could share those tables for the standard audio library waveshaper module. Where can I find them? :)
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    I should've spent some time with looking up the...

    I should've spent some time with looking up the problem myself before posting, sorry.
    I'm finally going to settle on this form:


    int* ary = new int[sizeX*sizeY];

    // ary[i][j] is then...
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    Many thanks! Does this also work with 2D...

    Many thanks!
    Does this also work with 2D -Arrays?
    Calling


    AudioSynthWaveformModulated* oscillators = new AudioSynthWaveformModulated[16][3];

    doesn't compile
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    Accessing Audio Objects from an Array

    Hello Folks!
    I'm very happy with the Teensy Boards and am currently building a polyphonic synthesizer based on the Teensy 4.0 and the Audio Shield Rev C.
    Therefore, I'd like to store some...
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