An apparatus, comprising: a first audio sensor to output a first signal representative of first audio received at an audience metering device, the first audio sensor included within a housing of the audience metering device; a second audio sensor to output a second signal representative of second audio received at the audience metering device, the second audio sensor included within the housing of the audience metering device; a selection tester to: identify a first audio sensor configuration and a second audio sensor configuration, the first and second audio sensor configurations to identify respective gain values to be applied to at least one of the first signal and the second signal by an audio sensor selector of the apparatus; obtain a first quality metric of a first media identification when the first audio sensor configuration is applied by the audio sensor selector; obtain a second quality metric of a second media identification when the second audio sensor configuration is applied by the audio sensor selector, the first quality metric and the second quality metric being of a same type of quality metric, the first media identification and the second media identification performed using a same media identification technique; and select one of the first audio sensor configuration or the second audio sensor configuration based on a comparison of the first quality metric and the second quality metric; and a media identifier to identify media based on the first signal and the second signal with the selected one of the configurations applied. a first audio sensor to output a first signal representative of first audio received at an audience metering device, the first audio sensor included within a housing of the audience metering device; a second audio sensor to output a second signal representative of second audio received at the audience metering device, the second audio sensor included within the housing of the audience metering device; a selection tester to: identify a first audio sensor configuration and a second audio sensor configuration, the first and second audio sensor configurations to identify respective gain values to be applied to at least one of the first signal and the second signal by an audio sensor selector of the apparatus; obtain a first quality metric of a first media identification when the first audio sensor configuration is applied by the audio sensor selector; obtain a second quality metric of a second media identification when the second audio sensor configuration is applied by the audio sensor selector, the first quality metric and the second quality metric being of a same type of quality metric, the first media identification and the second media identification performed using a same media identification technique; and select one of the first audio sensor configuration or the second audio sensor configuration based on a comparison of the first quality metric and the second quality metric; and identify a first audio sensor configuration and a second audio sensor configuration, the first and second audio sensor configurations to identify respective gain values to be applied to at least one of the first signal and the second signal by an audio sensor selector of the apparatus; obtain a first quality metric of a first media identification when the first audio sensor configuration is applied by the audio sensor selector; obtain a second quality metric of a second media identification when the second audio sensor configuration is applied by the audio sensor selector, the first quality metric and the second quality metric being of a same type of quality metric, the first media identification and the second media identification performed using a same media identification technique; and select one of the first audio sensor configuration or the second audio sensor configuration based on a comparison of the first quality metric and the second quality metric; and a media identifier to identify media based on the first signal and the second signal with the selected one of the configurations applied.