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      With help from the fine folks here, I was able to get TOSLINK in/out to work with a teensy 4.1. It is a "man in the middle" between source and amp and can apply filters/effects to the audio. Works quite well.
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      OK, pulled all three files (source, recording-1, and recording-2) in Audacity. Reviewed each in detail, recording-1 was 1 one-hundredth of a second longer than the original wav file but the extra was "dead air" so apparently Audacity ignored that...
    • N
      Thanks VERY much for that info. I actually ran into [I believe it was you] informing someone else on another much earlier thread on how to "pause" the interrupts so you could setup for recording but I could not remember exactly how it was worded...
    • N
      OK, did things. Move the startRecording( ) from before, to after startPaying( ). I also fetched the latest buffered-SD audio source from h4yn0nnym0u5e. Now when I do a fresh compile and load of code to the Teensy, the initial run produced an...
    • N
      OK, I was able to put together a program to play a stereo wav file from an SD card, record it back as a stereo wav to another file on that SD card while outputting the initial file to the line out (of either the PT8211 or audio shield) - swiped...
    • N
      Sorry if this is too obvious. I have searched the examples, forums, and some of the code libraries [could be just not seeing it] and am unable to find a complete, "simple" example of playing a stereo wav file from an SD card, running it through...
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