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Hi Matt,
This sounds a bit like it might be a misdiagnosis of the drop in accuracy rate with your cloud service – it wouldn’t be obvious to me how a 16-bit/16k PCM format is removing that much needed data from 8k speech audio, so it might be a case for trying different approaches.
Be that as it may, Pocketsphinx’s 8k sample rate mode doesn’t make any changes to how OpenEars manages its audio buffers (or it wouldn’t have been possible to add right now) and SaveThatWave is ignorant of devices and Pocketsphinx by design, so trying to make SaveThatWave aware of Pocketsphinx runtime settings or the audio driver and branching its behavior isn’t a probable direction for development, sorry.