signal signalsound that is used for a specific task, such as to convey information. Related Articles: Glossary: harmonic frequencyGlossary: impulsive soundGlossary: Neural impulsesGlossary: root-mean-square pressureGlossary: echo rangingGlossary: pulseGlossary: SparkerHot Topic – Hearing SensitivityHot Topic- Passive Acoustic Monitoring Critical to Vaquita Conservation EffortsGlossary: harmonic distortion Chris Knowlton2017-02-26T20:10:01-05:00