How to retrieve audio from STT for debugging?

Hello, I am working on implementing a new audio codec for ESPHome (NAU8810). I’ve written the driver and have the speaker working, but STT says that no speech was detected.

I’d like to grab the WAV data that’s going into the pipeline to listen myself & analyze in it software, to debug what is going on. Is there any way to grab/capture the audio data that’s fed to the STT pipeline?

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Did you ever solved the problem. I have the same issue.

No, I never solved this problem. I ended up rebuilding a ton of custom stuff to debug, including swapping out many, many of the ICs.

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