A sonogram.. A sonogram is a kind of visual representation of a sound. A graph showing the distribution of energy at different frequencies. Bird calls have many different patterns, this painting is loosely based on a Redwing Blackbird and his song.
A sonogram is a kind of visual representation of a sound. A graph showing the distribution of energy at different frequencies. Bird calls have many different patterns, this painting is loosely based on a Redwing Blackbird and his song.