environmental sounds

animal calls

 

• repetitious
• narrow band/narrow time
• patterned

low

simple (or no) communicative intent

speech

• highly modulated
• wideband
• highly redundant

medium

heavy reliance on schemas

designed to be heard once, reliably

polyphonic music

• rhythmic
• harmonic

high

designed to offer different interpretations on repetition?

camouflaging of individual sources