What does SN stand for?

Signal-Noise (ratio)

This definition appears very rarely and is found in the following Acronym Finder categories:

Information technology (IT) and computers
Science, medicine, engineering, etc.

Other Resources:

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Samples in periodicals archive:

The Wolfson WM8950 and WM8951 offer highly integrated microphone support solutions characterized by low-power consumption, compact size and an excellent audio performance with a signal-noise ratio of 90dB at 3.

Wolfson ADCs Bring High-Performance Recording to Portable Consumer ...

The WM8591 is a single-ended input, 2-wire control version of the WM8590 with an impressive DAC Signal-Noise Ratio (SNR) of 110dB combined with a 102dB ADC.

Wolfson CODEC for DVD-RW and PVR Applications Offers Great Sound with ...