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    Noise-to-Signal Ratio

    Reading time: 2 min.Editorially reviewed on:

    Definition

    The noise-to-signal ratio relates disturbances to the useful signal.

    With appropriate definition, it is the quotient of noise power and signal power. It is the inverse perspective of the signal-to-noise ratio.

    Simply explained

    How loud is the disturbance noise compared to the voice you want to hear?

    Why it matters in practice

    It helps to quantitatively classify measurement and audio data quality.

    Example from business

    Hypothetical: A team compares microphone recordings at the same speech volume.

    Limits and pitfalls

    • Power, amplitude, and decibels must not be confused. In textual discussions, the term is often used metaphorically.

    Origin & history

    The term originates from signal processing and measurement technology.

    Use in mid-sized companies

    • SMEs can comparably assess recording conditions and sensor data quality.

    Frequently asked questions

    Is a smaller value better?

    With the same definition, it means less noise relative to the signal.

    Sources

    Editorially reviewed on:

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    Next step

    Put knowledge into practice