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  1. 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.
  2. Hello everyone, thank you for your interest. I'm...

    Hello everyone, thank you for your interest. I'm considering Tindie. 🤔
  3. 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...
  4. 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...
  5. 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
  6. 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...
  7. 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...
  8. 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...
  9. 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...
  11. 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.
    ...
  12. 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...
  13. 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*...
  14. 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
  15. 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...
  16. 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.
  19. 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).
  20. Replies
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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...
  21. 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.
  23. 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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    It sounds like it would port fairly easily to the...

    It sounds like it would port fairly easily to the OpenAudio_ArduinoLibrary (Floating Point Teensy Audio Library).



    Very cool! Is this a commercial or hobby project? Are there any project notes...
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    /\ This. I'm a big supporter of anyone who wants...

    /\ This. I'm a big supporter of anyone who wants to help build out the F32 library or at least a 24 bit one.



    I need to work on my filtering. My project is close, but still too much noise....
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    My project is still active. Just haven't gotten...

    My project is still active. Just haven't gotten it working yet while I work on other things. Other users say its possible. The goal is to make a stackable module so you could do what you are asking...
  27. Someone on another forum suggested to me that a...

    Someone on another forum suggested to me that a headphone driver can easily drive a line input, but a line output can not necessarily drive a headphone. I'm pretty sure that the difference between a...
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    PJRC should have a list of all the boards...

    PJRC should have a list of all the boards available as an addon to the Teensy. They could resell boards, and take a cut. Quite possibly even distribute those boards to 3rd parties where Teensy is...
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    Hi ghostintranslation, I checked out your...

    Hi ghostintranslation,

    I checked out your projects and they are very noteworthy. I appreciate the modular approach. This is a great way to do something like this where you want to make things...
  30. Hello and welcome, You can hook that to the...

    Hello and welcome,

    You can hook that to the line input of the Teensy Audio Shield (Header pins). You'll need a blocking capacitor between it. And you can adjust the gain/attack/release as...
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    Woah, I'm going to give you some love. This...

    Woah, I'm going to give you some love. This project is hilariously awesome. Good work!
  32. I thought Teensy was always operating at...

    I thought Teensy was always operating at 16bit/44100? How do I do this?
  33. Hi Alex, Thanks, that definitely helps. Does...

    Hi Alex,

    Thanks, that definitely helps. Does anyone know if I2S2 (in2, out2) can run in slave mode while the I2S1 (in1, out1a, ...) runs in master mode? The audio design tool only has an object...
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    I think some people would appreciate a Teensy+A....

    I think some people would appreciate a Teensy+A. However, there are many configurations that someone might need. It wouldn't address all the different configurations as easily as a separate module...
  35. I also wanted to add the link to the ESP32...

    I also wanted to add the link to the ESP32 library for Arduino, which is also required.
    https://github.com/espressif/arduino-esp32/blob/master/docs/arduino-ide/boards_manager.md
  36. Hello, Over a year later and I'm still at it!...

    Hello,

    Over a year later and I'm still at it! The ESP32 implementation works ok, but I didn't like the workflow. I searched on a way to build the project with Arduino IDE instead, and found that...
  37. Anyone know about the usb host? Using a USB flash...

    Anyone know about the usb host? Using a USB flash drive, is that faster?
  38. Why can't you have one teensy play, and one...

    Why can't you have one teensy play, and one teensy record? Why does it need to be the same teensy? You can pass an analog OR DIGITAL signal (teensy a > i2s - teensy b) on the record teensy running in...
  39. Nice. Post a video of the creepy doll maybe? :-)

    Nice. Post a video of the creepy doll maybe? :-)
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    PS - after re-reading your post I realize you are...

    PS - after re-reading your post I realize you are doing INPUTS into the teensy. I wrote my post regarding outputs but the same theories apply. I also have an ADC card in pre-production that I will...
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    Hello emmanuel63, This is a common issue that...

    Hello emmanuel63,

    This is a common issue that I've faced over the years while working with pro-audio. It is my professional opinion that the reason for the noise is coming from the quality of the...
  42. Having been through this before, I can say that...

    Having been through this before, I can say that the Linux drivers aren't a huge help in developing a driver for the Teensy Audio Library. My PCM5242 module had linux drivers that I thought would be...
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    Did you try enabling "listen to this devive" (or...

    Did you try enabling "listen to this devive" (or similar) on the teensy soundcard settings? It sounds like that's what you are looking for.

    Control panel>sound>recording>teensy>listen to this...
  44. Does it make sense to push this to the floating...

    Does it make sense to push this to the floating point library? https://github.com/chipaudette/OpenAudio_ArduinoLibrary
  45. Nice work to you, ETMoody3! How does it sound?...

    Nice work to you, ETMoody3!

    How does it sound? Can you make us a video?
  46. I would assume that "pitch shifting" is something...

    I would assume that "pitch shifting" is something that is done in the Vocoder project? How does this project relate to what you are asking for? How can it be adapted to do what you need?
    ...
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    Floating point library here:...

    Floating point library here: https://github.com/chipaudette/OpenAudio_ArduinoLibrary

    It doesn't show up on google searches very well yet.
  48. File>Examples>Audio>Hardware...

    File>Examples>Audio>Hardware Testing>PassThroughUSB.


    #include <Audio.h>
    #include <Wire.h>
    #include <SPI.h>
    #include <SD.h>
    #include <SerialFlash.h>

    AudioInputUSB usb1; ...
  49. So you need to hand solder? Sure, you don't want...

    So you need to hand solder? Sure, you don't want SMD but that doesn't explain why SPI... Why not use I2S, the standard for digital audio?
  50. Hello, @PaulStoffregen, I'm wondering if you...

    Hello,

    @PaulStoffregen, I'm wondering if you could help and/or take a bounty for this. I have some notes above, but long story short is that I would like to monitor the "usb1.inputVolume();" in...
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