Seems OK at the other speeds. I assume same for T4.1 but don't have one to test with. My test code is:
[ Diagnosed using a 'scope to check on pins 10 and 12. ] The 352.8kHz PWM is present at 24MHz, but is ot modulated at all, stays at 50% mark/space ratio.
Code:
#include <Audio.h>
AudioSynthWaveformSine sineL ;
AudioSynthWaveformSine sineR ;
AudioOutputMQS mqs ;
AudioConnection c1 (sineL, 0, mqs, 0);
AudioConnection c2 (sineR, 0, mqs, 1);
void setup()
{
AudioMemory (10) ;
AudioNoInterrupts () ;
sineL.amplitude (0.75) ;
sineL.frequency (1.0) ;
sineL.phase (0) ;
sineR.amplitude (0.75) ;
sineR.frequency (1.0) ;
sineR.phase (90) ;
AudioInterrupts () ;
}
void loop()
{
}
[ Diagnosed using a 'scope to check on pins 10 and 12. ] The 352.8kHz PWM is present at 24MHz, but is ot modulated at all, stays at 50% mark/space ratio.