Studying waves to contend with the wolf note
Beloved by musicians and music lovers alike, the cello is the most versatile of the string instruments, able to cascade from a high alto to a low bass in seconds. Of all the instruments, it is said to have a sound closest to that of the human voice, and it adds warmth, richness and complexity to many musical arrangements. To create beautiful music, however, cellists must contend with the “wolf note.” This note, which got its name from the animal-like howl it creates, occurs when the cello emits two frequencies close together, resulting in interfering frequencies. The quality of...
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