Test tone as purest sound signal
Oscilloscope graph of a periodic tone of a single frequency (pure tone). Produced with an electronic sound generator.
Information and ideas:
Possible cross reference: Examination of aperiodic speech signals with the help of spectral analysis.
Further information on this graphic is available as information sheet on the media portal of the Siemens Stiftung.
Relevant for teaching:
Vibrations and waves