Get the current audio input level in decibels (dB).
Useful for displaying audio level meters or visualizations while listening. Typical range is -90 (complete silence) to 0 (maximum input).
Audio input level in dB, or null if the recognizer is not initialized.
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Get the current audio input level in decibels (dB).
Useful for displaying audio level meters or visualizations while listening. Typical range is -90 (complete silence) to 0 (maximum input).