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This textbook provides a detailed introduction to the use of software in combination with simple and economical hardware (a sound level meter with calibrated AC output and a digital recording system) to obtain sophisticated measurements usually requiring expensive equipment. It emphasizes the use of free, open source, and multiplatform software. Many commercial acoustical measurement systems use software algorithms as an integral component; however the methods are not disclosed. This book enables the reader to develop useful algorithms and provides insight into the use of digital audio editing tools to document features in the signal. Topics covered include acoustical measurement principles, indepth critical study of uncertainty applied to acoustical measurements, digital signal processing from the basics, and metrologicallyoriented spectral and statistical analysis of signals.The student will gain a deep understanding of the use of software for measurement purposes; the ability to implement softwarebased measurement systems; familiarity with the hardware necessary to acquire and store signals; an appreciation for the key issue of longterm preservation of signals; and a full grasp of the often neglected issue of uncertainty in acoustical measurements. Pedagogical features include intext workedout examples, endofchapter problems, a glossary of metrology terms, and extensive appendices covering statistics, proofs, additional examples, file formats, and underlying theory.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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