Noise Measurement, Acoustic Signal Processing and Noise Control

Dear Colleagues,

Noise measurement, acoustic signal processing, and noise control are all related fields and they are very important for system analyses, experimental validation, and the manipulation of unwanted signals or noise. Noise measurement and signal processing involve quantifying the level and characteristics of a signal or noise and manipulating and interpreting signals in a system or environment. Acoustic signal processing also encompasses a wide range of techniques and algorithms that are used to extract meaningful information from signals, enhance signal quality, and remove or reduce noise. This processing can also involve multiple sensors in different locations and different algorithms. Noise control aims to reduce or eliminate unwanted noise to create a more desirable acoustic environment, based on noise measurements and signal processing. Noise control can be achieved through sound insulation, vibration isolation, active noise cancellation, sound reflections due to impedance mismatch or vibro-acoustic coupling, or the absorption of sound by porous materials, microperforated structures, or meta-materials. Therefore, the topic of noise measurement, acoustic signal processing, and noise control encompasses a range of multidisciplinary areas, including the development of technology, algorithm establishment, measurements, sensor arrangement, the signal processing of acoustics, vibration and machinery signals, signals from fluid dynamics, and the development and analysis of noise control technology. All papers on technology used for these purposes and its applications are welcome.

Dr. Yat Sze Choy
Guest Editor

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• sound source generation
• sound source identification and characterization
• signal processing
• signal reconstruction
• signal analysis
• vibration signal analysis
• automobile or vehicle noise
• machinery noise
• structural failure diagnoses
• sensor arrangement
• noise control
• sound absorption
• sound reflection
• noise reduction