Confidence is negative

I am new to using Riva, but I have been testing it out.

I got a strange result and I was curious why. Basically confidence was negative 1.

results {
alternatives {
transcript: "Hello, world. "
confidence: -1.5587188
}
channel_tag: 1
audio_processed: 4.8
}

Hi, and thanks for the question! I checked with the devs and the displayed confidence scores are natural logs of confidences, so it can be negative.

Cheers,
Edmar

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