A sound event with irregular (aperiodic) form of vibrations is described as sound. It is made up of many individual vibrations, the frequencies of which are not in integral relation to each other.
The rustling of paper or road traffic are examples.
Information and ideas:
Recording to make different sorts of sound clear (or for students to identify).
Further information regarding this sound sample is available as information sheet on the media portal of the Siemens Stiftung.
Relevant for teaching:
Communication and understanding
Vibrations and waves
Music; Personal, social and health education (PSHE); Physics
Grade 1 to 4; Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Elementary school; Middle/high school; Vocational training
Sense of hearing; Sound; Hearing training; Listening situation; Sound (basic phenomenon); Sound production; Type of sound
Siemens Stiftung Media Portal