Spectrogram
Hi Everyone! Remember--this is optional, but if you want something to do, you can try this spectrogram. A spectrogram is a picture of sound and shows all the frequencies that are in a particular sound. Some sounds have lots of overtones, and to our ears that makes the sound richer and it is described has having more texture. We always hear a fundamental pitch that can be identified as a particular note, but each sound always has some overtones. Pitches that have fewer overtones, will sound thinner, pitches that have more overtones sound fuller or thicker.
The picture of sound is moving and is traveling from left to right, just as reading a book or reading music. Watch as the sound gets stronger or quieter.
Questions to consider when using the microphone option to try different sounds:
1. How do changing the dynamics (loud/quiet) change the picture of the sound?
2. What objects show lower sounds/higher sounds?
3. Which objects show thinner or thicker textures? (this means some have more overtones and some less)
4. What sound are you curious to try?
