4    Digital Audio Processing

Apart from the interest expected from musicians and audio enthusiasts, audio engineering has significantly affected human art and culture. This chapter presents some interesting applications of basic signal processing including a historical description of how electronic sound effects emerge in music and movie recordings. After World War II, improvements in amplifiers and loudspeakers, driven mostly by the movie theater industry, led to improved recording techniques, and by the late 1950s, high-fidelity (HiFi) sound systems for the home. Improvements in the phonograph transducer and the vinyl plastic “records” extended Edison’s ingenuous invention for well over a century by improving the dynamic range, playing ...

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