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    Thanks alex6679. I should have time to test this...

    Thanks alex6679. I should have time to test this later today.

    If the initial test goes well, I'll also be attempting to run SAI1 in TDM mode and SAI2 in standard stereo I2S mode. Do you think...
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    Example 5 works for me too! I'm also happy to...

    Example 5 works for me too!

    I'm also happy to be bothered for a solution.

    25891
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    I downloaded your latest files and applied them...

    I downloaded your latest files and applied them to example 5. I get a broken waveform but it seems like maybe a bit larger of a broken waveform. Disconnecting the clock lines; the clock continues to...
  4. Awesome chipaudette!

    Awesome chipaudette!
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    I just downloaded your latest updates and ran it....

    I just downloaded your latest updates and ran it. Example 5 still runs but the waveform is broken still. Disconnecting the clocks causes the plotter to stop.

    I went back and retested 4 and 6... I...
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    I got example 3 compiled and running now too. ...

    I got example 3 compiled and running now too.

    Example 4 compiles, but only clocks are working on the Plotter.

    Example 5 compiles, but the plotter has a broken waveform.

    25878

    Example 6...
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    I fixed an issue with my version of the Audio...

    I fixed an issue with my version of the Audio library and upgraded to 1.54. Now the error is this.


    Arduino: 1.8.15 (Windows 10), TD: 1.54, Board: "Teensy 4.1, Serial, 600 MHz, Faster, US...
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    Are you going to use I2C or SPI for communication...

    Are you going to use I2C or SPI for communication between the Teensy4 and the ESP32?
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    Ah, you are right. I can see the problem with...

    Ah, you are right. I can see the problem with over/underflows. Your solution makes sense to me.

    I want to confirm that example 2 now works for me too. The same hardware setup can be easily used...
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    I changed to pin 21 and example 1 works! ...

    I changed to pin 21 and example 1 works!


    #define CONFIG_EXAMPLE_I2S_BCK_PIN 26 // (A0 on huzzah32, pin 21 on T4.1)
    #define CONFIG_EXAMPLE_I2S_LRCK_PIN 25 // (A1 on huzzah32, pin 20 on T4.1)...
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    My hardware. Feather HUZZAH32 Teensy 4.1...

    My hardware.


    Feather HUZZAH32
    Teensy 4.1



    I modified the pins on the ESP32 to make it easier to find the right pins. These pinouts were easily found so I used them.
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    No problem. I figured as much, but wasn't sure. I...

    No problem. I figured as much, but wasn't sure. I also wasn't aware of VisualTeensy. I tried VT, but wound up just renaming the files and used Arduino. I compiled both ESP32 and Teensy example 1 and...
  13. palmerr, Congratulations on your achievement....

    palmerr, Congratulations on your achievement. Thank you for sharing this with the community. You've done a really remarkable job at creating this.
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    Hello alex6679, Please excuse my lack of...

    Hello alex6679,

    Please excuse my lack of knowledge here, but how is this project compiled? Is it a library? The examples have .cpp files which don't open in Arduino, or Platform.io. We would need...
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    If I'm not mistaken, Teensy does ignore the first...

    If I'm not mistaken, Teensy does ignore the first 16bits (by default), so maybe that code you quoted is the key?
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    I've also tried this. I'm very keen on following...

    I've also tried this. I'm very keen on following and learning how to make this work. Maybe this thread will help? One user said he got it working, some code is in the the thread below.
    ...
  17. Pretty cool! I can't wait to browse through your...

    Pretty cool! I can't wait to browse through your code to see how this works. I'm wondering how hard this would be to modify and detect actual notes, to play the synth (as you mention in your blog).
  18. 25501 Great little device! I'm not a kid, but...

    25501

    Great little device! I'm not a kid, but I want one!!! It sounds like you did this to contribute to kid workshops. Are you going to release a build document, pcb design file, or application...
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    Not sure, check here. ...

    Not sure, check here.

    https://forum.pjrc.com/threads/65735-Teensy-LC-audio-library-support
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    Hey Frank, This is awesome! Does this...

    Hey Frank,

    This is awesome!

    Does this change the entire library? Or just the USB Audio?

    Jay
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    Fixing the link:...

    Fixing the link:
    https://codeberg.org/dcoredump/Synth_Dexed


    Cool project! Congrats on your work so far.
  22. I wrote a response, and then found a typo. Went...

    I wrote a response, and then found a typo. Went to edit it and deleted it by mistake. This was on mobile, the form was a bit strange, I think it's broken.

    Anyhow... Pro level signals are usually...
  23. Note, I found where the descriptor definitions...

    Note, I found where the descriptor definitions are.

    Maybe I can simply add my feature to this, and maybe I can start getting something to work. Will try when I have a moment!
    ...
  24. Note: Paul describes how to edit the USB...

    Note: Paul describes how to edit the USB Descriptor:
    https://forum.pjrc.com/threads/27265-Teensy-USB-and-Extended-Configuration-Descriptor
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    Is there an easy way to test different block...

    Is there an easy way to test different block sizes?
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    It's ok for this but not excellent. ~7ms is the...

    It's ok for this but not excellent. ~7ms is the loopback time between analog input and analog output. It's enough for real time musical processing. I use it this way, others use it this way. But...
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    Could it be power differences?

    Could it be power differences?
  28. FWIW... My business would have a need for a...

    FWIW...

    My business would have a need for a large quantity of units, thus lowering my risk level in purchasing in bulk, if this issue was ironed out.
  29. Hello everyone, thank you for your interest. I'm...

    Hello everyone, thank you for your interest. I'm considering Tindie. 🤔
  30. Hey Frank, The "host" is the PC right? I...

    Hey Frank,



    The "host" is the PC right? I am looking for information to flow from the PC -> Teensy.

    To test this functionality without breaking anything I think it makes sense to create a...
  31. There is a utility called Thesycon USB Descriptor...

    There is a utility called Thesycon USB Descriptor Dumper which might help us figure out what descriptors are common among soundcards. This might help us.

    Here is a dump from the popular Cmedia...
  32. Hello Frank B, Thanks for your time. ...

    Hello Frank B,

    Thanks for your time.



    This image shows the microphone and calls it an Input Terminal (IT).

    23718
  33. OPEN SOURCE BOUNTY: volumeInput(); similar to volume();

    Hello,

    I'm offering a $300 reward to anyone who will successfully provide/commit a patch to the audio library so that I can call volumeInput(); and receive the volume level from windows (and I...
  34. Good morning, I posted an update to the...

    Good morning,

    I posted an update to the campaign. Check it out here:
    https://www.kickstarter.com/projects/jayshoe/teensy-4-pro-audio-adc-and-dac-audio-shield-codec/posts/3078555

    Here is a...
  35. Great. The goal behind the kickstarter is to fund...

    Great. The goal behind the kickstarter is to fund the first round of manufacturing and getting distribution up and running (packaging, international shipping, etc). It's a test, of sorts to gauge...
  36. Thank you Paul! Cheers.

    Thank you Paul! Cheers.
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    Pretty sure the TLV320AIC3206 driver (and board)...

    Pretty sure the TLV320AIC3206 driver (and board) uses pin 22 for reset. I noticed that on your schematic when you posted earlier. I meant to check to see if the reset pin was required, so I could...
  38. Hello Friends, I just wanted to let you know...

    Hello Friends,

    I just wanted to let you know that I've launched a kickstarter campaign for these modules.
    ...
  39. JayShoe's Pro Audio Series - Teensy 4 ADC & DAC Audio Shield - TLV320ADC5140 PCM5242

    Hello Friends,

    I'd like to introduce my Pro Audio Series ADC and DAC modules for the Teensy 4 and Teensy 4.1. These modules were designed to provide high quality audio within the Teensy...
  40. I upgraded to Platformio and it has a function to...

    I upgraded to Platformio and it has a function to right click and "go to definition" you can also find all references. This functionality is very useful. I'm starting to understand it a *little*...
  41. Hi Frank, Yes. It happens here, I think?...

    Hi Frank,

    Yes.

    It happens here, I think?

    https://github.com/PaulStoffregen/cores/blob/master/teensy4/usb_audio.cpp
    line 473
  42. Sorry guys, I have to put a shameful bump on...

    Sorry guys, I have to put a shameful bump on this. My project is starting to round out now and if I can do this I can really finish the prototype. PaulS, sorry for taking over your originally very...
  43. Hello everyone, Thanks for your response....

    Hello everyone,

    Thanks for your response. This is all very helpful.



    I read that article but couldn't understand it clearly enough to write the function you've provided. Thanks! I've...
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    Hello Piotr, Awesome work. Is it safe to say...

    Hello Piotr,

    Awesome work. Is it safe to say that the lodamp "minimizes" the effect of the room size and hidamp "minimizes the effect of the lowpass knob? In my video you see I turn up the room...
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    I'm not in tune with the standard here, but it...

    I'm not in tune with the standard here, but it felt right to me. Turning up the lowpass knob "did something". Turning it down seemed to "do less". lol.
  46. Are you sure you want a Teensy 3.2 as opposed to...

    Are you sure you want a Teensy 3.2 as opposed to a Teensy 4? The T4 is more powerful, and it has a useful floating point unit. The audio pins are different (IE Rev D).
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    Thank you for posting this Piotr! I loaded it...

    Thank you for posting this Piotr! I loaded it into my project and it sounds great.

    I uploaded a sample vocal recording of it in action. To avoid copyright issues I found a vocal recording on...
  48. Scale Volume (0-1) to Logarithmic Volume (0-1)

    Hello,

    I would like to control the audio mixers logarithmically. I figured I would create a function, that when called will scale the normal volume (float) to a logarithmic volume. I'm looking to...
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    Any chance I can have the code? I'm interested in...

    Any chance I can have the code? I'm interested in giving this a spin on my project.
  50. I just incorporated this code into my project and...

    I just incorporated this code into my project and unfortunately it didn't work. When it's hooked up the audio stops working completely. Everything compiles and runs, but it stops the sound. When I...
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