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  1. Replies
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    Hallo Johan This is a great project. How did...

    Hallo Johan

    This is a great project. How did you switch the ladder filter to high-pass in the Audio Designe Tool?

    Can I generate a high pass with a multiply on the ladder filter output to the...
  2. I found a solution. I simply wrote the...

    I found a solution.

    I simply wrote the "Filter" definition into the AudioPatching.h file. I can also use it in my ino File.



    // Jeannie Synthesizer AudioPatchhing.h

    // Filter 1 = State...
  3. Ok. WŁnsche Dir auch eine gute Nacht :rolleyes:

    Ok. WŁnsche Dir auch eine gute Nacht :rolleyes:
  4. The compiler does not show an exact error. Must...

    The compiler does not show an exact error. Must be in the ino.File :confused:
  5. an #include leads to a compiler error

    an #include leads to a compiler error
  6. Is there another way without having to comment...

    Is there another way without having to comment out a filter ? see example



    AudioFilterStateVariable filter1; //xy=1000.210
    AudioFilterStateVariable filter2; //xy=994.498
    ...
  7. Yes it is initialized in another h.file

    Yes it is initialized in another h.file
  8. Problems with #if #endif in audio patching file

    Hallo Teensy Friends..

    I have problems with #if #endif in my AudioPatching.h file in teensy audio lib.

    I wrote code for two filter types. With #if and #endif I want to initialize State...
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    6.0Vpp can be. I used a sine wave signal with all...

    6.0Vpp can be. I used a sine wave signal with all 8 voices in my Teensy synthesizer for the measurement. Maybe the mixer a little less and thus the output amplitude a little less.
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    Hi friend.. I measured a maximum of 5.3Vpp on...

    Hi friend..
    I measured a maximum of 5.3Vpp on the PCM5102A output. The DAC output can be switched directly to line out (see circuit diagram).



    https://i.ibb.co/6wzDR3b/PCM5102-A-Lineout.png
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    You can use a PCM5102 DAC on the Teensy 4.x. It...

    You can use a PCM5102 DAC on the Teensy 4.x. It has twice the volume and makes about 3.0Vpp.

    // AudioStream connection ----------------

    AudioOutputI2S PCM5102A;
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    Jeannie and Volca in Love.. ...

    Jeannie and Volca in Love..

    https://i.ibb.co/mqfTHRt/Jeannie-Volca.png

    Youtube:
    https://youtu.be/ZQ4xBk2VSVQ
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    Fotoshooting with Jeannie.. ...

    Fotoshooting with Jeannie..

    https://i.ibb.co/YT4xJmz/Photo-Room-20211216-115228.png
    https://i.ibb.co/qsYH8F4/Photo-Room-20211216-114225.png...
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    Hello there.. My Jeannie has finally found a...

    Hello there..


    My Jeannie has finally found a nice home :o

    https://i.ibb.co/P5h846t/20211106-010104.jpg

    Kits, components and assembly instructions are now available at tubeohm.com.
    ...
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    Small video about the polyphonic sequencer .. ...

    Small video about the polyphonic sequencer ..


    The sequencer now has a mode function.
    In mode: REC, notes are received from a connected midi keyboard.
    The pitch of the notes can then be edited...
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    Hallo everybody :) The new colored cases have...

    Hallo everybody :)

    The new colored cases have arrived. We have three colors: black, blue and yellow.

    https://i.ibb.co/st94ZwY/Case1.jpg

    https://i.ibb.co/rMq68Jv/Case2.jpg
    ...
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    Hello Paul :) I have a problems with the...

    Hello Paul :)

    I have a problems with the releaseNoteOn function (5ms) in my polyphonic DIY Synth.
    If the releaseNoteOn phase were the new note will be played (see picture).
    I'm using Teensy 4.1...
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    I changed the filter page a bit. Instead of "AMT"...

    I changed the filter page a bit. Instead of "AMT" I have "ENV" as
    Parameter designation selected. The red marker for CUT is now also available.

    https://i.ibb.co/X4G0yS7/binary-comment.jpg...
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    The case is now ordered. I'm curious.. ...

    The case is now ordered. I'm curious..

    https://i.ibb.co/hYdq9s7/Jeannie-Case.png
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    The backside from Jeannie with the assembled...

    The backside from Jeannie with the assembled boards.

    https://i.ibb.co/xLbFC13/motherboard-back.png

    Now the case is made and then we're done. The assembly instructions can be downloaded from...
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    Thanks for your tip. Of course you are right. It...

    Thanks for your tip. Of course you are right. It has to be called depth :)
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    Thank you. :÷

    Thank you. :÷
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    Hello dear Synthians The new Jeannie Panel...

    Hello dear Synthians


    The new Jeannie Panel Board has arrived from China. Andre has now soldering the board and
    tested. It all works wonderfully. The DIY manual is also almost ready. Now that's...
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    Do the same again on Youtube if it doesn't work...

    Do the same again on Youtube if it doesn't work on Soundcoud. Everyone has.
    In the future I will only upload the sound to Youtube. I am not aware of any other free,
    unlimited and free platform...
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    If the sound demo doesn't work here two links: ...

    If the sound demo doesn't work here two links:

    Part 1: https://www.sequencer.de/synthesizer/data/audio/98/98394-102dfa65eb76c25a7c050e600f4dea22.mp3
    Part 2:...
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    I test the temperatures. At 74 degrees the CPU...

    I test the temperatures. At 74 degrees the CPU does a reset.
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    We tested it with a heat sink on the CPU. The...

    We tested it with a heat sink on the CPU. The temperatures in the case are below 60 degrees.
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    Hello there.. After minor technical...

    Hello there..


    After minor technical difficulties, we are now in the final phase of our development.
    We still had some problems with the FV-1 DSP chip for the effects. But we were able to solve...
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    Nice project :D

    Nice project :D
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    Hi friends.. We're almost there. My friend...

    Hi friends..

    We're almost there. My friend Andre now orders the new circuit board and if it works he will order the housing and components for a pilot series.


    For my part, I'm still writing...
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    Danke. Ich strenge mich an. Thank you. I will...

    Danke. Ich strenge mich an. Thank you. I will give my best :)
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    New Boot Logo from Jeannie.. There are 12...

    New Boot Logo from Jeannie..

    There are 12 small BMP images (60KB) that are loaded very quickly from the SD card and displayed one after the other in a loop.

    I couldn't integrate a driver for...
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    An interesting insight into another synthesizer...

    An interesting insight into another synthesizer forge ..

    https://i.ibb.co/q1LpKxb/Dreadbox.png

    Youtube: https://youtu.be/T4H0EWKAzII


    This is my workespace in germany.....
  34. Mmmm.. I can't find this function in Microchip...

    Mmmm.. I can't find this function in Microchip Studio :confused:
  35. That's a good tip. I will test it. Thanks :)

    That's a good tip. I will test it. Thanks :)
  36. Mmmm.. :confused: I don't think that's a good...

    Mmmm.. :confused:

    I don't think that's a good idea. This may cause other problems in my large code. But thanks for your tip.

    I use the visual micro plugin. There seems to be a problem with that...
  37. Microchip Studio (Atmel Studio 7) Build error in the ino file but no error display

    Hallo friends :)

    I use Microchip Studio and visual micro and Teensy 4.1. I have a problem with the display of errors in the ino file.

    Compiler makes a build error, but no errors are listed....
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    A wonderful demo song by Andre (oh ... I could do...

    A wonderful demo song by Andre (oh ... I could do that too) :o
    The sequencer runs on the Jeannie and notes are played at the same time via a connected midi keyboard.
    ...
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    Hello DIY friends :o Today I make a little...

    Hello DIY friends :o


    Today I make a little film about Jeannie. The first impressions. Have fun..

    https://i.ibb.co/56SkLBr/Jeannie-First-impression.png

    Youtube: https://youtu.be/EwucWjbxPkU
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    Hallo friends.. Short impressions to the...

    Hallo friends..

    Short impressions to the StepSequencer in my Jeannie. A few functions are still missing..

    This is a demo song only with step sequencer and simultaneous keyboard play by Jeannie...
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    Hello.. This is the first draft for the...

    Hello..
    This is the first draft for the sequencer in my Synth. There will be an editor page via the "Shift" key.

    https://i.ibb.co/D5j98RW/20210628-152759.jpg

    I'm curious.. :)
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    First Case Designe ...

    First Case Designe

    https://i.ibb.co/r3p48kq/Case-Designe.jpg
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    I have a Volca drum. The sounds are so cool and...

    I have a Volca drum. The sounds are so cool and it's a lot of fun :o


    Sample function:

    I built a sample editor into my 8 bit DIY synth "Degenerator". It was'nt easy.

    I can set start and...
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    Hello friends :) For the LFOs I added a...

    Hello friends :)


    For the LFOs I added a phase control of 0 degrees and 180 degrees.

    https://i.ibb.co/61kWy1T/MTune01.jpg


    In the system menu the global parameter for the transpose of + -...
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    Hallo friends.. The last part of programming...

    Hallo friends..

    The last part of programming is a small step sequencer. I think it will look similar to DeepMind6.

    https://i.ibb.co/Bzk2bzQ/Stepper.jpg


    I programmed a nice step sequencer...
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    Hallo Jonathan Thanks for your tip. MIDI is...

    Hallo Jonathan

    Thanks for your tip. MIDI is faster if I move the AudioOutputI2S block to the end :)


    Greetings Rolf
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    Current voice block...

    Current voice block
    https://i.ibb.co/VxjGbwF/Jeannie-one-Voice-V104-5.jpg

    My new audioConnection list with waveshaper and gain controll


    AudioOutputI2S PCM5102A;
    ...
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    OK. I found the mistake :rolleyes: It was the...

    OK. I found the mistake :rolleyes:

    It was the position of the waveformMods at the top of the list.

    The oscillator definition (waveformMod) was below in the old list.

    The numbering of the...
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    Hello Jonathan I changed the order list of...

    Hello Jonathan


    I changed the order list of the Audio Connection objects and the error is back. What is wrong :confused:


    New order list with error


    Oscilloscope scope;
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    Hello Jonathan Thank you for your very good...

    Hello Jonathan


    Thank you for your very good explanation. I checked the order of the audio stream objects again. It seems ok.

    I use special oscillator objects from the TSynth core (see code)....
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