google / aqt

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Automatically selecting scales (clipping factors) based on SNR in AQT. #670

Closed copybara-service[bot] closed 1 month ago

copybara-service[bot] commented 2 months ago

Automatically selecting scales (clipping factors) based on SNR in AQT.

This change adds a new implementation of Calibration, AutoCalibration, that finds scales (clipping factors) based on signal-to-noise ratio (SNR). It performs a linear search over the candidate scale values, provided by AutoScaleSearchConfig.

SNR value is calculated for each subchannel group, and corresponding scale values are derived.