This document discusses the characteristics and transmission of sound. It includes figures showing how loudness and pitch are represented in sound waves, how complex waves differ from pure sine waves, how timbre is affected by overtones, the concept of resonant frequency, how speakers can distort sound, and charts showing audio and voice frequencies and decibel measurements of sound intensity.

1. Characteristics and Transmission
of Sound

2. Characteristics and Transmission
of Sound
Fig 1: Loudness pitch in sound waves

3. Characteristics and Transmission
of Sound
Fig 2: Complex waves compared to a pure sine wave

4. Characteristics and Transmission
of Sound
Fig 3: Timbre of sound

5. Characteristics and Transmission
of Sound
Fig 4: Resonant Frequency

6. Characteristics and Transmission
of Sound
Fig 5: Speakers can cause distortion of sound