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  • lg87783's Avatar
    04-17-2021, 07:33 PM
    OK WMXZ . Thanks to Mark I found the problem on my side. Not a problem related to ladder filter implementation (TD1.54b7). Apologies...
    98 replies | 9385 view(s)
  • lg87783's Avatar
    04-16-2021, 05:17 PM
    Thanks Mark, this allowed me to do some more tests, and... here are my findings: 1 - The ladder filter will induce some significant unwanted fixed frequency noise when (at least) one mixer is used in the sketch. The...
    98 replies | 9385 view(s)
  • lg87783's Avatar
    04-15-2021, 07:07 PM
    Just tried with a SINGLE ladder filter with 4 osc. The issue is still alive and the same fixed frequency is still audible - though attenuated -... I don't know how to reliably check the contents of the digital...
    98 replies | 9385 view(s)
  • lg87783's Avatar
    04-15-2021, 06:48 PM
    Thanks for the advice... however, this shows an important limit for its use... meanwhile I will try to investigate further (checking the audio stream, reduce the configuration). Any suggestions welcome! Lionel
    98 replies | 9385 view(s)
  • lg87783's Avatar
    04-15-2021, 06:11 PM
    Just added audio processor and memory measures : 20:10:11.806 -> | Processor Usage = 16.66 | Memory Buffers Usage = 16 | 20:10:12.807 -> | Processor Usage = 16.66 | Memory Buffers Usage = 1 | 20:10:13.840 -> |...
    98 replies | 9385 view(s)
  • lg87783's Avatar
    04-15-2021, 04:07 PM
    ... not sure where to post this one which relates to the audio library new ladder filter. I am using 16 Waveform oscillators routed to 4 ladder filters. When turning on the oscillators (amplitude > 0.f) a fixed...
    98 replies | 9385 view(s)
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Teensyduino 1.54 Beta #7 04-17-2021 07:33 PM
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03-06-2021