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Type: Posts; User: Krischomat

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    Teensy USB Audio and Raspberry Pi

    Hey folks!
    Just found this USB object in the Audio System Design tool. Does anyone know if that is working with a Raspberry Pi. I am looking for solutions to add Audio Inputs and Outputs to a...
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    Hey! So did you look into the example of the...

    Hey! So did you look into the example of the granular object? I would just start with the example and then when that works modify it from there.
  3. Teensy Sampler "SamplOMat" prototype version!

    Just finished the first version of my sampler project. It is already lots of fun to play with it! Here is a little demo:

    https://www.youtube.com/watch?v=OsbuARxMn_0&t=31s

    No I need to get rid...
  4. keeping the Granular Freeze when button is rising edge

    Hello!
    I have another question about the granular freezing. As it is in mine and in the tutorial it starts freezing when I push a button and it stopps freezing when I release the button. I would...
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    Okay some more insights :D I connected a peak...

    Okay some more insights :D I connected a peak object to one of these granular objects and did read the peak. When I am starting to record a new loop the peak does not go to zero but just keeps the...
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    Here is the current code: #include...

    Here is the current code:


    #include <Bounce.h>
    #include <Audio.h>
    #include <Wire.h>
    #include <SPI.h>
    #include <SD.h>
    #include <SerialFlash.h>
    #include <Mux.h>
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    Hmm that weird. Mine looks like this (with a...

    Hmm that weird. Mine looks like this (with a delay added).
    25573
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    Okay one more thing... I changed the #define...

    Okay one more thing... I changed the

    #define GRANULAR_MEMORY_SIZE3 20000
    to

    #define GRANULAR_MEMORY_SIZE3 6000

    and the

    float msec2 = 400;
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    Now that I put it to the beginning of the void...

    Now that I put it to the beginning of the void grain2() it counts the ms also during the recording mode. And I tried with 3ms debounce but still... it stays mysterious to me. Maybe just a limit of...
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    I am wondering if this could matter. In that...

    I am wondering if this could matter. In that Granular Freezing part of the code here:


    void grain2() {
    buttonGrain2.update();

    float FaderFreeze1Pitch = mux1.read(2) / 1023.0;
    //float...
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    Maybe it has to do with the structure of the...

    Maybe it has to do with the structure of the granular object? Just wondering if instead of using the granular object for freezing I could just write a little code that just records directly into the...
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    The AudioMemryUsage goes up to 207

    The AudioMemryUsage goes up to 207
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    I did a little bit more testing and used a delay...

    I did a little bit more testing and used a delay object after the granular freezing. And when I record a new loop and the granular freezing stops, I can still hear the delay fadeing out. So it seems...
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    Hmm yes its weird... Otherwise the rest works...

    Hmm yes its weird... Otherwise the rest works pretty well =)

    https://youtu.be/t2BSP8XRjSA

    Hopefully I will find a solution...
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    Still the same thing with no Analog Inputs used.

    Still the same thing with no Analog Inputs used.
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    Okay will try that out. Also just added a reverb...

    Okay will try that out. Also just added a reverb after everything and you can still hear the reverb fading out when everything stops while I am pressing the record button. But lets see what happens...
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    So when I leave A13 unused and use A14 instead...

    So when I leave A13 unused and use A14 instead its still the same.
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    Okay I see what happens. So I just use another...

    Okay I see what happens. So I just use another Analog In for A13 and donīt use that one?
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    Hmm the A13 on the teensy 4.1 is on a pin that is...

    Hmm the A13 on the teensy 4.1 is on a pin that is not connected to the Audio Shield. In the beginning I had a problem using Digital Out 13 which is also connected to the onboard LED (I guess). But at...
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    Thanks! Yes makes sense to not put a capacitor to...

    Thanks! Yes makes sense to not put a capacitor to the teensys analog pin while multiplexing! Will try what happens when I use them at the 4051s Inputs. =)
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    Thanks for your replys! I could not solve the...

    Thanks for your replys! I could not solve the problem yet... I just added a blink without delay code to my program to check if the LED keeps blinking while I am recording a new loop. So this is...
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    Great! That already helped! Thx! =) Somehow I...

    Great! That already helped! Thx! =) Somehow I needed to add another delay function in a void where a pot is controlling a parameter since this one knob still has an influence on another parameter......
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    Multiplexing Issue

    Hey Hey!
    I started to experiment with a multiplexer (4051) to add more analog ins to my teensy project. I use the Analog-Digital Multiplexer Library and it works in a way. I just figured out that...
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    Yes! It is the Teensy 4.1 and I have the latest...

    Yes! It is the Teensy 4.1 and I have the latest TeensyDuino running.
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    Anyone has any hints on what to try here? =)

    Anyone has any hints on what to try here? =)
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    recording a loop while granular freezing

    I started a sampler/looper project and right now I can record an audio loop and I setted up two grain object to freeze parts of the loop. The thing is now, when I have the freezing going on and I...
  27. Here is a little demo of how it sounds atm! ...

    Here is a little demo of how it sounds atm!


    https://drive.google.com/file/d/1SyPZFv3GTGX9UZOv5b8nFzN9MM8fGl0z/view?usp=sharing
  28. Okay, next question is coming up... Maybe someone...

    Okay, next question is coming up... Maybe someone can help me here? Basically I am recording a loop and then I use two grain objects to freeze the sounds at certain times. That works pretty good so...
  29. Cool, I managed to tweak the recorder code to...

    Cool, I managed to tweak the recorder code to loop a recorded audio and also set the length of the loop! Now the big question... Is there a way to also change the starting point of the loop so that I...
  30. How can I make the Recorder looping the audio?

    How can I make the recorder loop the audio that I recorded? Now it is just playing once and then stopps.


    #include <Bounce.h>
    #include <Audio.h>
    #include <Wire.h>
    #include <SPI.h>
    #include...
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    Teensy and Faust IDEīs GrainGenerator

    Trying to get the Grain Generator of the Faust IDEīs examples running. But I cannot get control of the parameters. Here is the Faust Code:

    ...
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    ... solved I had to rename the folder from...

    ... solved I had to rename the folder from /FaustSawtooth to /faustSawtooth ...
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    Faust IDE & Teensy4.1

    Trying to get a Faust code running on a teensy 4.1 but when I am compiling I get this error message:


    Arduino: 1.8.15 (Mac OS X), TD: 1.54, Board: "Teensy 4.1, Serial, 600 MHz, Faster, US...
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    Just found this post by Pul Stoffregen in another...

    Just found this post by Pul Stoffregen in another thread from 2014 "You can't use pin 13 when running the audio shield, because it needs pin 13 for incoming I2S data." .... Okay...
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    // Advanced Microcontroller-based Audio Workshop...

    // Advanced Microcontroller-based Audio Workshop
    //
    // http://www.pjrc.com/store/audio_tutorial_kit.html
    // https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
    // ...
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    Thats how my board looks:...

    Thats how my board looks:
    https://drive.google.com/drive/folders/1-IM-4_4ldAMqbU-8X-jiV8dcc1nXId2_?usp=sharing

    (didnt let me upload directly in to the forum...)

    The audio board is a bit uneven...
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    Okay I am back testing and going through the...

    Okay I am back testing and going through the first audio adaptor tutorial files also with the wavs intended for the tutorials. The first one checking the analog and digital ins with the serial...
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    issues with audio glitch and code

    Hey Hey!
    I got my teensy 4.1 with the audio adaptor today. So I tried my luck with the tutorial codes. There where some issues showing up that I have questions about.
    First is when I play an audio...
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    Okay, thanks for your replies. And yes that is...

    Okay, thanks for your replies. And yes that is the Axoloti board. I just ordered a teensy 4.1 with the audio board... My Axoloti project uses around 16 potentiometers but I donīt know if I can...
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    Which Teensy for my Sampler Project?

    Hey everyone! I am very new to this Forum and to Teensy. I came here because I have a project in mind that I want to realize with the Teensy. I already made a sampler with the Axoloti Core where you...
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