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Many thanks Paul! So, I made the rookie mistake of trying to do a lot of time consuming operations within the ISR! Even though it works now, I agree it's not good practice. So, since the code is in need of restructuring anyway, I will take your advice on board when doing so. Thanks! Wouter Jan

Hi Paul, No I did not use the example code verbatim, but the encoder handling is probably an area where my code can be improved. Understood on the shortcomings of the example code! I can confirm that setting interrupt priority to 255 as suggested has fixed the audio click issue, thanks a lot...

Thanks a lot Paul! I will give it a try. Cheers, Wouter Jan

I tried with a PT8211, but same issue there. I guess I will have to use polling instead of interrupts for the encoder. Wouter Jan

Hi all, In my project (see https://pe4wj.wordpress.com/2024/02/20/qmac-hf-90-free-tune-conversion/ ), I am using MQS on a Teensy 4.0 (and find the quality pretty decent when using it to drive an external amplifier), in conjunction with a rotary encoder that is setup to trigger interrupts on pin...

Believe it or not but it turns out that this issue occurs whenever my laptop (Dell XPS13, running Ubuntu 18.04) is running on its internal battery (!). Would be interested to hear of others experience the same issue.

Hi, I am trying to use a Teensy 3.6 as a soundcard (essentially along the lines of the PassThroughStereo and WavFilePlayerUSB examples), this works perfectly fine at 44.1 kHz for both recording and playback but I would like to run it at 192 ksample/sec. I have tried to use Frank B's sample rate...

Hi Paul, I seem to be running into a bug related to USB audio, after programming, Teensy loader gives a message "error sending reboot command", and I manually need to press the button on the Teensy to make it reboot every time I program it. After that, USB audio (both input and output) work...

Thanks a lot Paul, I have been eagerly awaiting USB audio support for Teensy 4. Just tried the Linux 64-bit install, and USB audio support works fine. Wouter Jan PE4WJ

Hi all, While enjoying the brilliant Teensy audio library and building a VLF receiver using a Teensy 4.0 and the audio shield, I ran into intermittent problems with Teensy Loader on Ubuntu 18.04. One day it works just fine, the next it complains "Teensy Loader could not find the directory...