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Signal-to-noise ratio - Wikipedia, the free encyclopedia

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Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined as the ratio of signal power to the noise power, often expressed in decibels.

Article about image processing technique using averaging (arithmetical mean) on stack of identical photos for boost signal-to-noise ratio, effective noise removing and revealing subtle details of picture.

The reason your dynamic mic is giving you a terrible recording might be its weak signal. Increase the signal to noise ratio with an in-line preamp for immediate improvement.

Philips Dvp3560k - Karaoke Multi Region Code Free DVD Player with 1080p Hdmi Upscaling and Multimedia Divx & Karaoke. by Philips. $84.95. Video System PAL, NTSC Region 1 Progressive Scan Yes HD Upconversion Yes HD Playback Formats 720p, 1080i/p Frequency Response 30-20000 Hz Signal to Noise Ratio > 100 dB Distortion (1kHz): > 85 dB Crosstalk > 100 dB Dynamic Range > 90 dB Audio Dolby Digital / DTS Compatibility Yes Audio D/A Converter 12 b...

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