This audiobook is the most affordable version of the Adventures of Sherlock Holmes that also has high quality, masterfully engineered audio. All audio has an even volume level throughout the book. As necessary, it our practice to modify audio for your pleasure. We may use a computer-assisted dynamic-leveling process. Specific frequencies of narrators' voices can be boosted and/or compressed to maximize the clarity of the narrator's speech. Noise-gate technology is often used to eliminate all background and room noise disturbances. Breakfast Time Media LLC, based in Richmond, Virginia, is dedicated to providing you with the best audio experience at the lowest possible price.