Dubble Bubble Dubble Bubble Dubble Bubble is a brand of pink-colored bubblegum invented by Walter Diemer, an accountant at Philadelphia-based Fleer Chewing Gum Company in 1928. One of Diemer’s hobbies was concocting recipes for chewing gum based on the original Fleer ingredients. Though founder Frank Fleer had come up with his own bubble gum recipe in 1906, it was shelved due to its being too sticky and breaking apart too easily. It would be another 20 years until Diemer would use the original idea as inspiration for his invention. Fleer Chewing Gum Company, in Philadelphia, had been searching for years to produce
Pink noise interest. Systems that do not have a flat response can be equalized by creating an inverse filter using a graphic equalizer. Because pink noise has a tendency to occur in natural physical systems, it is often useful in audio production. Pink noise can be processed, filtered, and/or effects can be added to produce desired sounds. Pink-noise generators are commercially available. One parameter of noise, the peak versus average energy contents, or crest factor, is important for testing purposes, such as for audio power amplifier and loudspeaker capabilities because the signal power is a direct function of the crest factor. Various