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support for getting data off microphone #3517

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support for getting data off microphone #3517

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mmoskal
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@mmoskal mmoskal commented Oct 29, 2020

This adds:

  • input.onSoundData(buf => ...)
  • input.soundSamplingPeriod()
  • input.setSoundSamplingPeriod()

The first one has to be implemented in pxt-microbit, not in extension, since it plugs into microphone pipeline before the level detector.

TODO:

  • sim support

@jaustin
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jaustin commented Oct 30, 2020

@finneyj has a model for an input pipeline to make sure that these things don't cause breakages with the existing blocks/features and also doesn't break the oversampling switch as we go between mic only to mic and ADC. Worth discussing I think @mmoskal

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