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    Audio Tool import issue

    The audio tool has a new issue when importing a project:
    Some connections are not displayed and not established.
    As example see attached screen shot taken from importing the Vocoder19Band example....
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    Ah, I forgot one thing: The rotary encoder, did...

    Ah, I forgot one thing: The rotary encoder, did you use a breakout with filtering or build a debounce filter around it? Teensy 4 is so fast, it easily triggers on contact crackle and bounce,...
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    If you do not use the onboard memory and SD and...

    If you do not use the onboard memory and SD and have not populated the memory chip, these pins are usable for other things, but keep in mind there are 10kΩ pull-up resistors to 3.3V on pin 6 and pin...
  4. "Eternal use" is the logical opposite of "re-use...

    "Eternal use" is the logical opposite of "re-use wherever".

    One disposable variable is for one function only (considering loop as a function as well, which is logical), it must not be reused in...
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    Post schematics, please. For example: The issue...

    Post schematics, please.
    For example: The issue with the rotary encoder looks like you mixed up pins. This can happen quite easily, because the logical numbering of pins does not correspond to the...
  6. I have no idea of Juce, but this could be a hint...

    I have no idea of Juce, but this could be a hint to search for the information:
    You could change the name of USB by usb_names.h and then use the Device Friendly Name...
  7. Looking at the board of the display, I see many...

    Looking at the board of the display, I see many possibilities for intermittent short circuits at the "solder" of the flex.

    This looks gruesome!

    Apply a neutral flux and touch it up with a nice...
  8. Just declare the variable before void setup()...

    Just declare the variable before

    void setup() {
    by writing it so

    int i = 0;

    void setup() {
  9. I've encountered similar mysterious freezes in a...

    I've encountered similar mysterious freezes in a T4.0 project (that guitar effect thing), and found out the freezes do not occur any more if I leave out these allocations of temporary variables
    ...
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    One month to italy, now at customs... the beta is...

    One month to italy, now at customs... the beta is to be written off.
    Exp-tech is not an option. 17.85€ shipping. :mad: 10€ upcharge to the real price. WHAT?

    Actually Teensy in Italy cost 1.5...
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    Frame sync? BNC word clock is the same as...

    Frame sync?

    BNC word clock is the same as LRCLK.
  12. ;) Maybe you've set in the UEFI: USB...

    ;) Maybe you've set in the UEFI: USB Keyboard/Remote Power On to "enabled" to allow the system to be waked up by an USB keyboard or remote controller.

    This switches the USB+5V to standby 5V to be...
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    Optical fibers for ADAT can be spliced into a Y,...

    Optical fibers for ADAT can be spliced into a Y, to get two same outputs with half light intensity from one, provided it is accurately made. There is usually enough power for this.

    The AES signal...
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    In our studio, it is AES with SMPTE timecode,...

    In our studio, it is AES with SMPTE timecode, that also syncs the mixer, the video tape (yes..) and all the other ADAT and MIDI stuff. There is, as said, the BNC signal as well, which is not used.
    ...
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    Ah, I've mixed up something, you've ben talking...

    Ah, I've mixed up something, you've ben talking about the BNC signal, this is exactly the sample rate. So for 44.1kHz, that is a 44.1kHz signal.

    I've measured the E-Mu, wich has 1 V p-p into 75...
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    I wanted to test exactly if S/PDIF in could work...

    I wanted to test exactly if S/PDIF in could work as a word clock as soon as I get an other Teensy 4 or the 4.1 beta.
    Actually, if you omit the timecode signal coded into the frames data, a word...
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    Yes, with this you'd actually not get any arror,...

    Yes, with this you'd actually not get any arror, no matter how far clocks are off.

    Yes, wording issue. Jitter is unstable playback or recording speed in audio, while it is this timing...
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    Well, it shows if you feed the digital S/PDIF...

    Well, it shows if you feed the digital S/PDIF (that is otherwise working well, btw) with higher frequency audio into a DAW via DAC >> ADC. Or if you feed S/PDIF directly into DAW with sync to S/PDIF...
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    Thanks. Now I'll take apart some older projects...

    Thanks. Now I'll take apart some older projects to "release" a T3.6 and a T4.0 to do some testing.
    (The T4.1 beta is still creeping around some post facilities. Caustic that.)
    The 48k was because...
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    I've been working on ADAT as well (continuing a...

    I've been working on ADAT as well (continuing a work of radias), but stumbled with that dreaded cache management and then hit a wall with PLL frequency for 48kHz.
    I am very curious to see how you...
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    You could make compiler directives to sort out...

    You could make compiler directives to sort out the code:

    #if defined(__IMXRT1062__)
    // put all the T4.x code here
    #endif
    #if defined(KINETISK)
    // put all the T3.x code here
    #endif
    This way...
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    My Teensy 4.1 beta has still not arrived, but...

    My Teensy 4.1 beta has still not arrived, but reading the comments of RAM tests and the datasheets of the RAM, I stumble upon:
    Page size 1024 bytes ... Linear burst can cross page boundary under...
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    https://www.pjrc.com/teensy/pinout.html Is under...

    https://www.pjrc.com/teensy/pinout.html
    Is under pjrc.com >> top menu: teensy >> side menu: Teensy >> Reference >> Pin Assignments
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    Searched all over Europe. Only found shops in...

    Searched all over Europe. Only found shops in China who actually have it. electrodragon, aliexpress, digiic, lcsc
    Shipping about the same, will anyway be frozen in transport and customs for several...
  25. With this signal you get a large spectrum of...

    With this signal you get a large spectrum of pulse widths. The question is, what kind of information do you expect and want to get out of this.

    I'd program that "by hand":
    digitize the signal...
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    Chance is high you fried it. Try to check the...

    Chance is high you fried it.
    Try to check the resistance of the fuse F on the underside. If it is open, bridge it and try on a short-proof 5V supply.
    The CPU itself will probably be a short...
  27. Maybe this WS2812Serial is better with T4, if you...

    Maybe this WS2812Serial is better with T4, if you can work with the higher use of RAM.
  28. It is the neopixels block the interrupt. I know...

    It is the neopixels block the interrupt.
    I know the timing of signal in the neopixels is critical, so there are interrups blocked....
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    Frank B has found a solution, see 1.52 Beta #4...

    Frank B has found a solution, see 1.52 Beta #4 thread.
    https://github.com/PaulStoffregen/Au...078b88837cfabe

    I've tested it with several projects that were not possible to import before the fix....
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    :eek: Do you believe in the Users? Thank you...

    :eek: Do you believe in the Users?

    Thank you Frank B.

    Catching the NULL cures the symptom, but there has to be a reason why this error evolves.

    Anyway, I've tried several imports that failed...
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    This would need to be fixed for 1.52...

    This would need to be fixed for 1.52
    https://forum.pjrc.com/threads/45216-Two-GUI-related-bugs
    Unfortunately I am not able to repair it.
    So please, coders, this is yours.
  32. I think your setup has two problems: Too much...

    I think your setup has two problems: Too much current draw on the one pin and too much voltage drop across the LEDs, so they will not light up reliably.

    Add a transistor, a BC337 or similar NPN in...
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    Sorry for being a bit ignorant at the beginning....

    Sorry for being a bit ignorant at the beginning. My partner used to chaff with imitating me in his comical way. Now I'd be happy to hear that once more.

    Yes, just read the links I've posted. There...
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    20094 This is a screenshot of the adio tool,...

    20094

    This is a screenshot of the adio tool, because the code import will not work due to an error in this tool that persists since 2017.
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    Use the Teensy Audio Library....

    Use the Teensy Audio Library. https://www.pjrc.com/teensy/td_libs_Audio.html
    This as a starting point for the audio tool https://www.pjrc.com/teensy/gui/

    #include <Audio.h>
    #include <Wire.h>...
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    Pilots and ATC use specific procedure words and...

    Pilots and ATC use specific procedure words and follow rules how conversations are established, followed and ended. There is no such thing like Hollywood's "over and out" for instance.
    Also, there...
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    Learn the wording, the slang and the tonality. ...

    Learn the wording, the slang and the tonality.
    That's about it.
    If you want that AM sound, a bandpass filter could do. Or a cascade of highpass and lowpass.
    BTW: The bandwith of the audio signal...
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    I've seen on the Teensy 4.1 schematic, the...

    I've seen on the Teensy 4.1 schematic, the TPD3S014 is fed through the fuse and the DMG2305UX with 5V from host. Now the TPD has reverse blocking and power limit on it's own. An unintentional...
  39. @LobotomyKid have you tried to resolder the two...

    @LobotomyKid
    have you tried to resolder the two data lines? It looks like the solder joints are less than acceptable.

    Also, the cable must not be too long. I've soldered a cable directly to the...
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    congratulations @Paul. I've seen on exp-tech.de...

    congratulations @Paul.
    I've seen on exp-tech.de thy will send same working day. :rolleyes: so they have them?
    And a burning f***youverymuch to the USPS for freezing the beta for more than two...
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    Are you Data? :) reading the guitar tuner in...

    Are you Data? :) reading the guitar tuner in counts of Hz, not notes and off-cents? Super cool project, thanks for sharing.
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    Also, what I forgot to mention, the 74hc4067 has...

    Also, what I forgot to mention, the 74hc4067 has a long propagattion delay and transition time, while the 74hc154 is faster by about 8 to 10 times.
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    74hc154 is the better solution. It has...

    74hc154 is the better solution. It has advantages: only 5 pins and an inverter (single gate IC or trasistor) can serve 32 CS endpoints. Digital signal for digital inputs on the devices.

    An...
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    yes, the manual. But why does it not work that...

    yes, the manual. But why does it not work that way?
    Before firing up a dispute, how about the GUI bug?
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    just in case, may I remind of the GUI bug still...

    just in case, may I remind of the GUI bug still existent since years?
    https://forum.pjrc.com/threads/45216-Two-GUI-related-bugs
    It also cuts usability of the tool, as it is often impossile to...
  46. Teensy can act as a USB host for MIDI, so does it...

    Teensy can act as a USB host for MIDI, so does it act as a MIDI over USB to the Mac. All you have to write up is a MIDI passthrough sketch. The Teensy will not be seen as Push by the computer, but if...
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    On 3.2 the SD runs in SPI mode. The higher class...

    On 3.2 the SD runs in SPI mode. The higher class ratings are more optimized for HC or XC mode, which uses more data lines.
    Also, the Netac could be massively challenged by the FAT32 format, because...
  48. @tcottle What is that shiny oily goop on the...

    @tcottle
    What is that shiny oily goop on the Teensy? Remains of flux? Any kind of contact cleaner? WD-40? If so, that could be the cause of the complete board not working any more.
  49. 74HC4067 is the mux that just works. Just avoid...

    74HC4067 is the mux that just works. Just avoid HCT, as this is a 5V version, while HC runs well on 3.3V

    If your circuit does not require more than 5V, you can power it all via the USB connector...
  50. If you want to use the host function of T4, you...

    If you want to use the host function of T4, you may just solder the wires directly to the host pads on the underside of the T4. You can use the cut female end of a USB extension. Just watch the...
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