Sending loudness rating

The sending loudness rating (SLR) is a measure of the loudness of the transmit audio sent through the microphone of a communication device (for example, a mobile phone).[1] It compares the amplitude of the sound waves into the microphone to the resulting audio signal. It is measured in dBV/Pa.

References

  1. ↑ Association française des utilisateurs de télécommunications - 3 Definitions and abbreviations


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